1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_ALGORITHM 11#define _LIBCPP_ALGORITHM 12 13/* 14 algorithm synopsis 15 16#include <initializer_list> 17 18namespace std 19{ 20 21namespace ranges { 22 23 // [algorithms.results], algorithm result types 24 template <class I, class F> 25 struct in_fun_result; // since C++20 26 27 template <class I1, class I2> 28 struct in_in_result; // since C++20 29 30 template <class I, class O> 31 struct in_out_result; // since C++20 32 33 template <class I1, class I2, class O> 34 struct in_in_out_result; // since C++20 35 36 template <class I, class O1, class O2> 37 struct in_out_out_result; // since C++20 38 39 template <class I1, class I2> 40 struct min_max_result; // since C++20 41 42 template <class I> 43 struct in_found_result; // since C++20 44 45 template<forward_iterator I, sentinel_for<I> S, class Proj = identity, 46 indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> // since C++20 47 constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {}); 48 49 template<forward_range R, class Proj = identity, 50 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> // since C++20 51 constexpr borrowed_iterator_t<R> min_element(R&& r, Comp comp = {}, Proj proj = {}); 52 53 template<forward_iterator I, sentinel_for<I> S, class Proj = identity, 54 indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> 55 constexpr I ranges::max_element(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 56 57 template<forward_range R, class Proj = identity, 58 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> 59 constexpr borrowed_iterator_t<R> ranges::max_element(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 60 61 template<class I1, class I2> 62 using mismatch_result = in_in_result<I1, I2>; 63 64 template <input_iterator I1, sentinel_for<_I1> S1, input_iterator I2, sentinel_for<_I2> S2, 65 class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> 66 requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> 67 constexpr mismatch_result<_I1, _I2> 68 mismatch()(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {}) // since C++20 69 70 template <input_range R1, input_range R2, 71 class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> 72 requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> 73 constexpr mismatch_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>> 74 mismatch(R1&& r1, R2&& r2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {}) // since C++20 75 76 requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> 77 constexpr I find(I first, S last, const T& value, Proj proj = {}); // since C++20 78 79 template<input_range R, class T, class Proj = identity> 80 requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*> 81 constexpr borrowed_iterator_t<R> 82 find(R&& r, const T& value, Proj proj = {}); // since C++20 83 84 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 85 indirect_unary_predicate<projected<I, Proj>> Pred> 86 constexpr I find_if(I first, S last, Pred pred, Proj proj = {}); // since C++20 87 88 template<input_range R, class Proj = identity, 89 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 90 constexpr borrowed_iterator_t<R> 91 find_if(R&& r, Pred pred, Proj proj = {}); // since C++20 92 93 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 94 indirect_unary_predicate<projected<I, Proj>> Pred> 95 constexpr I find_if_not(I first, S last, Pred pred, Proj proj = {}); // since C++20 96 97 template<input_range R, class Proj = identity, 98 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 99 constexpr borrowed_iterator_t<R> 100 find_if_not(R&& r, Pred pred, Proj proj = {}); // since C++20 101 102 template<class T, class Proj = identity, 103 indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> 104 constexpr const T& min(const T& a, const T& b, Comp comp = {}, Proj proj = {}); // since C++20 105 106 template<copyable T, class Proj = identity, 107 indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> 108 constexpr T min(initializer_list<T> r, Comp comp = {}, Proj proj = {}); // since C++20 109 110 template<input_range R, class Proj = identity, 111 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> 112 requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*> 113 constexpr range_value_t<R> 114 min(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 115 116 template<class T, class Proj = identity, 117 indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> 118 constexpr const T& max(const T& a, const T& b, Comp comp = {}, Proj proj = {}); // since C++20 119 120 template<copyable T, class Proj = identity, 121 indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> 122 constexpr T max(initializer_list<T> r, Comp comp = {}, Proj proj = {}); // since C++20 123 124 template<input_range R, class Proj = identity, 125 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> 126 requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*> 127 constexpr range_value_t<R> 128 max(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 129 130 template<class I, class O> 131 using unary_transform_result = in_out_result<I, O>; // since C++20 132 133 template<class I1, class I2, class O> 134 using binary_transform_result = in_in_out_result<I1, I2, O>; // since C++20 135 136 template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, 137 copy_constructible F, class Proj = identity> 138 requires indirectly_writable<O, indirect_result_t<F&, projected<I, Proj>>> 139 constexpr ranges::unary_transform_result<I, O> 140 transform(I first1, S last1, O result, F op, Proj proj = {}); // since C++20 141 142 template<input_range R, weakly_incrementable O, copy_constructible F, 143 class Proj = identity> 144 requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R>, Proj>>> 145 constexpr ranges::unary_transform_result<borrowed_iterator_t<R>, O> 146 transform(R&& r, O result, F op, Proj proj = {}); // since C++20 147 148 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 149 weakly_incrementable O, copy_constructible F, class Proj1 = identity, 150 class Proj2 = identity> 151 requires indirectly_writable<O, indirect_result_t<F&, projected<I1, Proj1>, 152 projected<I2, Proj2>>> 153 constexpr ranges::binary_transform_result<I1, I2, O> 154 transform(I1 first1, S1 last1, I2 first2, S2 last2, O result, 155 F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 156 157 template<input_range R1, input_range R2, weakly_incrementable O, 158 copy_constructible F, class Proj1 = identity, class Proj2 = identity> 159 requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R1>, Proj1>, 160 projected<iterator_t<R2>, Proj2>>> 161 constexpr ranges::binary_transform_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> 162 transform(R1&& r1, R2&& r2, O result, 163 F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 164 165 template<input_iterator I, sentinel_for<I> S, class T, class Proj = identity> 166 requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> 167 constexpr iter_difference_t<I> 168 count(I first, S last, const T& value, Proj proj = {}); // since C++20 169 170 template<input_range R, class T, class Proj = identity> 171 requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*> 172 constexpr range_difference_t<R> 173 count(R&& r, const T& value, Proj proj = {}); // since C++20 174 175 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 176 indirect_unary_predicate<projected<I, Proj>> Pred> 177 constexpr iter_difference_t<I> 178 count_if(I first, S last, Pred pred, Proj proj = {}); // since C++20 179 180 template<input_range R, class Proj = identity, 181 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 182 constexpr range_difference_t<R> 183 count_if(R&& r, Pred pred, Proj proj = {}); // since C++20 184 185 template<class T> 186 using minmax_result = min_max_result<T>; 187 188 template<class T, class Proj = identity, 189 indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> 190 constexpr ranges::minmax_result<const T&> 191 minmax(const T& a, const T& b, Comp comp = {}, Proj proj = {}); // since C++20 192 193 template<copyable T, class Proj = identity, 194 indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> 195 constexpr ranges::minmax_result<T> 196 minmax(initializer_list<T> r, Comp comp = {}, Proj proj = {}); // since C++20 197 198 template<input_range R, class Proj = identity, 199 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> 200 requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*> 201 constexpr ranges::minmax_result<range_value_t<R>> 202 minmax(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 203 204 template<class I> 205 using minmax_element_result = min_max_result<I>; 206 207 template<forward_iterator I, sentinel_for<I> S, class Proj = identity, 208 indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> 209 constexpr ranges::minmax_element_result<I> 210 minmax_element(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 211 212 template<forward_range R, class Proj = identity, 213 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> 214 constexpr ranges::minmax_element_result<borrowed_iterator_t<R>> 215 minmax_element(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 216 217 template<class I, class O> 218 using copy_result = in_out_result<I, O>; // since C++20 219 220 template<class I, class O> 221 using copy_n_result = in_out_result<I, O>; // since C++20 222 223 template<class I, class O> 224 using copy_if_result = in_out_result<I, O>; // since C++20 225 226 template<class I1, class I2> 227 using copy_backward_result = in_out_result<I1, I2>; // since C++20 228 229 template<input_iterator I, sentinel_for<I> S, weakly_incrementable O> 230 requires indirectly_copyable<I, O> 231 constexpr ranges::copy_result<I, O> ranges::copy(I first, S last, O result); // since C++20 232 233 template<input_range R, weakly_incrementable O> 234 requires indirectly_copyable<iterator_t<R>, O> 235 constexpr ranges::copy_result<borrowed_iterator_t<R>, O> ranges::copy(R&& r, O result); // since C++20 236 237 template<input_iterator I, weakly_incrementable O> 238 requires indirectly_copyable<I, O> 239 constexpr ranges::copy_n_result<I, O> 240 ranges::copy_n(I first, iter_difference_t<I> n, O result); // since C++20 241 242 template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class Proj = identity, 243 indirect_unary_predicate<projected<I, Proj>> Pred> 244 requires indirectly_copyable<I, O> 245 constexpr ranges::copy_if_result<I, O> 246 ranges::copy_if(I first, S last, O result, Pred pred, Proj proj = {}); // since C++20 247 248 template<input_range R, weakly_incrementable O, class Proj = identity, 249 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 250 requires indirectly_copyable<iterator_t<R>, O> 251 constexpr ranges::copy_if_result<borrowed_iterator_t<R>, O> 252 ranges::copy_if(R&& r, O result, Pred pred, Proj proj = {}); // since C++20 253 254 template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2> 255 requires indirectly_copyable<I1, I2> 256 constexpr ranges::copy_backward_result<I1, I2> 257 ranges::copy_backward(I1 first, S1 last, I2 result); // since C++20 258 259 template<bidirectional_range R, bidirectional_iterator I> 260 requires indirectly_copyable<iterator_t<R>, I> 261 constexpr ranges::copy_backward_result<borrowed_iterator_t<R>, I> 262 ranges::copy_backward(R&& r, I result); // since C++20 263 264 template<class I, class F> 265 using for_each_result = in_fun_result<I, F>; // since C++20 266 267 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 268 indirectly_unary_invocable<projected<I, Proj>> Fun> 269 constexpr ranges::for_each_result<I, Fun> 270 ranges::for_each(I first, S last, Fun f, Proj proj = {}); // since C++20 271 272 template<input_range R, class Proj = identity, 273 indirectly_unary_invocable<projected<iterator_t<R>, Proj>> Fun> 274 constexpr ranges::for_each_result<borrowed_iterator_t<R>, Fun> 275 ranges::for_each(R&& r, Fun f, Proj proj = {}); // since C++20 276 277 template<input_iterator I, class Proj = identity, 278 indirectly_unary_invocable<projected<I, Proj>> Fun> 279 constexpr ranges::for_each_n_result<I, Fun> 280 ranges::for_each_n(I first, iter_difference_t<I> n, Fun f, Proj proj = {}); // since C++20 281 282 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 283 indirect_unary_predicate<projected<I, Proj>> Pred> 284 constexpr bool ranges::is_partitioned(I first, S last, Pred pred, Proj proj = {}); // since C++20 285 286 template<input_range R, class Proj = identity, 287 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 288 constexpr bool ranges::is_partitioned(R&& r, Pred pred, Proj proj = {}); // since C++20 289 290 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 291 class Proj = identity> 292 requires sortable<I, Comp, Proj> 293 constexpr I 294 ranges::push_heap(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 295 296 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 297 requires sortable<iterator_t<R>, Comp, Proj> 298 constexpr borrowed_iterator_t<R> 299 ranges::push_heap(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 300 301 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 302 class Proj = identity> 303 requires sortable<I, Comp, Proj> 304 constexpr I 305 ranges::pop_heap(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 306 307 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 308 requires sortable<iterator_t<R>, Comp, Proj> 309 constexpr borrowed_iterator_t<R> 310 ranges::pop_heap(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 311 312 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 313 class Proj = identity> 314 requires sortable<I, Comp, Proj> 315 constexpr I 316 ranges::make_heap(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 317 318 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 319 requires sortable<iterator_t<R>, Comp, Proj> 320 constexpr borrowed_iterator_t<R> 321 ranges::make_heap(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 322 323 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 324 class Proj = identity> 325 requires sortable<I, Comp, Proj> 326 constexpr I 327 ranges::sort_heap(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 328 329 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 330 requires sortable<iterator_t<R>, Comp, Proj> 331 constexpr borrowed_iterator_t<R> 332 ranges::sort_heap(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 333 334 template<bidirectional_iterator I, sentinel_for<I> S> 335 requires permutable<I> 336 constexpr I ranges::reverse(I first, S last); // since C++20 337 338 template<bidirectional_range R> 339 requires permutable<iterator_t<R>> 340 constexpr borrowed_iterator_t<R> ranges::reverse(R&& r); // since C++20 341 342 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 343 class Proj = identity> 344 requires sortable<I, Comp, Proj> 345 constexpr I 346 ranges::sort(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 347 348 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 349 requires sortable<iterator_t<R>, Comp, Proj> 350 constexpr borrowed_iterator_t<R> 351 ranges::sort(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 352 353 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 354 class Proj = identity> 355 requires sortable<I, Comp, Proj> 356 I ranges::stable_sort(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 357 358 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 359 requires sortable<iterator_t<R>, Comp, Proj> 360 borrowed_iterator_t<R> 361 ranges::stable_sort(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 362 363 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 364 class Proj = identity> 365 requires sortable<I, Comp, Proj> 366 constexpr I 367 ranges::partial_sort(I first, I middle, S last, Comp comp = {}, Proj proj = {}); // since C++20 368 369 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 370 requires sortable<iterator_t<R>, Comp, Proj> 371 constexpr borrowed_iterator_t<R> 372 ranges::partial_sort(R&& r, iterator_t<R> middle, Comp comp = {}, Proj proj = {}); // since C++20 373 374 template<class T, output_iterator<const T&> O, sentinel_for<O> S> 375 constexpr O ranges::fill(O first, S last, const T& value); // since C++20 376 377 template<class T, output_range<const T&> R> 378 constexpr borrowed_iterator_t<R> ranges::fill(R&& r, const T& value); // since C++20 379 380 template<class T, output_iterator<const T&> O> 381 constexpr O ranges::fill_n(O first, iter_difference_t<O> n, const T& value); // since C++20 382 383 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 384 class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> 385 requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> 386 constexpr bool ranges::equal(I1 first1, S1 last1, I2 first2, S2 last2, 387 Pred pred = {}, 388 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 389 390 template<input_range R1, input_range R2, class Pred = ranges::equal_to, 391 class Proj1 = identity, class Proj2 = identity> 392 requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> 393 constexpr bool ranges::equal(R1&& r1, R2&& r2, Pred pred = {}, 394 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 395 396 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 397 indirect_unary_predicate<projected<I, Proj>> Pred> 398 constexpr bool ranges::all_of(I first, S last, Pred pred, Proj proj = {}); // since C++20 399 400 template<input_range R, class Proj = identity, 401 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 402 constexpr bool ranges::all_of(R&& r, Pred pred, Proj proj = {}); // since C++20 403 404 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 405 indirect_unary_predicate<projected<I, Proj>> Pred> 406 constexpr bool ranges::any_of(I first, S last, Pred pred, Proj proj = {}); // since C++20 407 408 template<input_range R, class Proj = identity, 409 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 410 constexpr bool ranges::any_of(R&& r, Pred pred, Proj proj = {}); // since C++20 411 412 template<input_iterator I, sentinel_for<I> S, class Proj = identity, 413 indirect_unary_predicate<projected<I, Proj>> Pred> 414 constexpr bool ranges::none_of(I first, S last, Pred pred, Proj proj = {}); // since C++20 415 416 template<input_range R, class Proj = identity, 417 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 418 constexpr bool ranges::none_of(R&& r, Pred pred, Proj proj = {}); // since C++20 419 420 template<forward_iterator I, sentinel_for<I> S, class Proj = identity, 421 indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> 422 constexpr bool ranges::is_sorted(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 423 424 template<forward_range R, class Proj = identity, 425 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> 426 constexpr bool ranges::is_sorted(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 427 428 template<forward_iterator I, sentinel_for<I> S, class Proj = identity, 429 indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> 430 constexpr I ranges::is_sorted_until(I first, S last, Comp comp = {}, Proj proj = {}); // since C++20 431 432 template<forward_range R, class Proj = identity, 433 indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> 434 constexpr borrowed_iterator_t<R> 435 ranges::is_sorted_until(R&& r, Comp comp = {}, Proj proj = {}); // since C++20 436 437 template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, 438 class Proj = identity> 439 requires sortable<I, Comp, Proj> 440 constexpr I 441 ranges::nth_element(I first, I nth, S last, Comp comp = {}, Proj proj = {}); // since C++20 442 443 template<random_access_range R, class Comp = ranges::less, class Proj = identity> 444 requires sortable<iterator_t<R>, Comp, Proj> 445 constexpr borrowed_iterator_t<R> 446 ranges::nth_element(R&& r, iterator_t<R> nth, Comp comp = {}, Proj proj = {}); // since C++20 447 448 template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, 449 indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less> 450 constexpr I upper_bound(I first, S last, const T& value, Comp comp = {}, Proj proj = {}); // since C++20 451 452 template<forward_range R, class T, class Proj = identity, 453 indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = 454 ranges::less> 455 constexpr borrowed_iterator_t<R> 456 upper_bound(R&& r, const T& value, Comp comp = {}, Proj proj = {}); // since C++20 457 458 template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, 459 indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less> 460 constexpr I lower_bound(I first, S last, const T& value, Comp comp = {}, 461 Proj proj = {}); // since C++20 462 template<forward_range R, class T, class Proj = identity, 463 indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = 464 ranges::less> 465 constexpr borrowed_iterator_t<R> 466 lower_bound(R&& r, const T& value, Comp comp = {}, Proj proj = {}); // since C++20 467 468 template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, 469 indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less> 470 constexpr bool binary_search(I first, S last, const T& value, Comp comp = {}, 471 Proj proj = {}); // since C++20 472 473 template<forward_range R, class T, class Proj = identity, 474 indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = 475 ranges::less> 476 constexpr bool binary_search(R&& r, const T& value, Comp comp = {}, 477 Proj proj = {}); // since C++20 478 479 template<permutable I, sentinel_for<I> S, class Proj = identity, 480 indirect_unary_predicate<projected<I, Proj>> Pred> 481 constexpr subrange<I> 482 partition(I first, S last, Pred pred, Proj proj = {}); // Since C++20 483 484 template<forward_range R, class Proj = identity, 485 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 486 requires permutable<iterator_t<R>> 487 constexpr borrowed_subrange_t<R> 488 partition(R&& r, Pred pred, Proj proj = {}); // Since C++20 489 490 template<bidirectional_iterator I, sentinel_for<I> S, class Proj = identity, 491 indirect_unary_predicate<projected<I, Proj>> Pred> 492 requires permutable<I> 493 subrange<I> stable_partition(I first, S last, Pred pred, Proj proj = {}); // Since C++20 494 495 template<bidirectional_range R, class Proj = identity, 496 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 497 requires permutable<iterator_t<R>> 498 borrowed_subrange_t<R> stable_partition(R&& r, Pred pred, Proj proj = {}); // Since C++20 499 500 template<input_iterator I1, sentinel_for<I1> S1, forward_iterator I2, sentinel_for<I2> S2, 501 class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> 502 requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> 503 constexpr I1 ranges::find_first_of(I1 first1, S1 last1, I2 first2, S2 last2, 504 Pred pred = {}, 505 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 506 507 template<input_range R1, forward_range R2, 508 class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> 509 requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> 510 constexpr borrowed_iterator_t<R1> 511 ranges::find_first_of(R1&& r1, R2&& r2, 512 Pred pred = {}, 513 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 514 515 template<forward_iterator I, sentinel_for<I> S, class Proj = identity, 516 indirect_binary_predicate<projected<I, Proj>, 517 projected<I, Proj>> Pred = ranges::equal_to> 518 constexpr I ranges::adjacent_find(I first, S last, Pred pred = {}, Proj proj = {}); // since C+20 519 520 template<forward_range R, class Proj = identity, 521 indirect_binary_predicate<projected<iterator_t<R>, Proj>, 522 projected<iterator_t<R>, Proj>> Pred = ranges::equal_to> 523 constexpr borrowed_iterator_t<R> ranges::adjacent_find(R&& r, Pred pred = {}, Proj proj = {}); // since C++20 524 525 template<input_iterator I, sentinel_for<I> S, class T1, class T2, class Proj = identity> 526 requires indirectly_writable<I, const T2&> && 527 indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T1*> 528 constexpr I 529 ranges::replace(I first, S last, const T1& old_value, const T2& new_value, Proj proj = {}); // since C++20 530 531 template<input_range R, class T1, class T2, class Proj = identity> 532 requires indirectly_writable<iterator_t<R>, const T2&> && 533 indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T1*> 534 constexpr borrowed_iterator_t<R> 535 ranges::replace(R&& r, const T1& old_value, const T2& new_value, Proj proj = {}); // since C++20 536 537 template<input_iterator I, sentinel_for<I> S, class T, class Proj = identity, 538 indirect_unary_predicate<projected<I, Proj>> Pred> 539 requires indirectly_writable<I, const T&> 540 constexpr I ranges::replace_if(I first, S last, Pred pred, const T& new_value, Proj proj = {}); // since C++20 541 542 template<input_range R, class T, class Proj = identity, 543 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 544 requires indirectly_writable<iterator_t<R>, const T&> 545 constexpr borrowed_iterator_t<R> 546 ranges::replace_if(R&& r, Pred pred, const T& new_value, Proj proj = {}); // since C++20 547 548 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 549 class Proj1 = identity, class Proj2 = identity, 550 indirect_strict_weak_order<projected<I1, Proj1>, 551 projected<I2, Proj2>> Comp = ranges::less> 552 constexpr bool 553 ranges::lexicographical_compare(I1 first1, S1 last1, I2 first2, S2 last2, 554 Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 555 556 template<input_range R1, input_range R2, class Proj1 = identity, 557 class Proj2 = identity, 558 indirect_strict_weak_order<projected<iterator_t<R1>, Proj1>, 559 projected<iterator_t<R2>, Proj2>> Comp = ranges::less> 560 constexpr bool 561 ranges::lexicographical_compare(R1&& r1, R2&& r2, Comp comp = {}, 562 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 563 564 template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2> 565 requires indirectly_movable<I1, I2> 566 constexpr ranges::move_backward_result<I1, I2> 567 ranges::move_backward(I1 first, S1 last, I2 result); // since C++20 568 569 template<bidirectional_range R, bidirectional_iterator I> 570 requires indirectly_movable<iterator_t<R>, I> 571 constexpr ranges::move_backward_result<borrowed_iterator_t<R>, I> 572 ranges::move_backward(R&& r, I result); // since C++20 573 574 template<input_iterator I, sentinel_for<I> S, weakly_incrementable O> 575 requires indirectly_movable<I, O> 576 constexpr ranges::move_result<I, O> 577 ranges::move(I first, S last, O result); // since C++20 578 579 template<input_range R, weakly_incrementable O> 580 requires indirectly_movable<iterator_t<R>, O> 581 constexpr ranges::move_result<borrowed_iterator_t<R>, O> 582 ranges::move(R&& r, O result); // since C++20 583 584 template<class I, class O1, class O2> 585 using partition_copy_result = in_out_out_result<I, O1, O2>; // since C++20 586 587 template<input_iterator I, sentinel_for<I> S, 588 weakly_incrementable O1, weakly_incrementable O2, 589 class Proj = identity, indirect_unary_predicate<projected<I, Proj>> Pred> 590 requires indirectly_copyable<I, O1> && indirectly_copyable<I, O2> 591 constexpr partition_copy_result<I, O1, O2> 592 partition_copy(I first, S last, O1 out_true, O2 out_false, Pred pred, 593 Proj proj = {}); // Since C++20 594 595 template<input_range R, weakly_incrementable O1, weakly_incrementable O2, 596 class Proj = identity, 597 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 598 requires indirectly_copyable<iterator_t<R>, O1> && 599 indirectly_copyable<iterator_t<R>, O2> 600 constexpr partition_copy_result<borrowed_iterator_t<R>, O1, O2> 601 partition_copy(R&& r, O1 out_true, O2 out_false, Pred pred, Proj proj = {}); // Since C++20 602 603 template<forward_iterator I, sentinel_for<I> S, class Proj = identity, 604 indirect_unary_predicate<projected<I, Proj>> Pred> 605 constexpr I partition_point(I first, S last, Pred pred, Proj proj = {}); // Since C++20 606 607 template<forward_range R, class Proj = identity, 608 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 609 constexpr borrowed_iterator_t<R> 610 partition_point(R&& r, Pred pred, Proj proj = {}); // Since C++20 611 612 template<class I1, class I2, class O> 613 using merge_result = in_in_out_result<I1, I2, O>; // since C++20 614 615 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 616 weakly_incrementable O, class Comp = ranges::less, class Proj1 = identity, 617 class Proj2 = identity> 618 requires mergeable<I1, I2, O, Comp, Proj1, Proj2> 619 constexpr merge_result<I1, I2, O> 620 merge(I1 first1, S1 last1, I2 first2, S2 last2, O result, 621 Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 622 623 template<input_range R1, input_range R2, weakly_incrementable O, class Comp = ranges::less, 624 class Proj1 = identity, class Proj2 = identity> 625 requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> 626 constexpr merge_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> 627 merge(R1&& r1, R2&& r2, O result, 628 Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 629 630 template<permutable I, sentinel_for<I> S, class T, class Proj = identity> 631 requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> 632 constexpr subrange<I> ranges::remove(I first, S last, const T& value, Proj proj = {}); // since C++20 633 634 template<forward_range R, class T, class Proj = identity> 635 requires permutable<iterator_t<R>> && 636 indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*> 637 constexpr borrowed_subrange_t<R> 638 ranges::remove(R&& r, const T& value, Proj proj = {}); // since C++20 639 640 template<permutable I, sentinel_for<I> S, class Proj = identity, 641 indirect_unary_predicate<projected<I, Proj>> Pred> 642 constexpr subrange<I> ranges::remove_if(I first, S last, Pred pred, Proj proj = {}); // since C++20 643 644 template<forward_range R, class Proj = identity, 645 indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> 646 requires permutable<iterator_t<R>> 647 constexpr borrowed_subrange_t<R> 648 ranges::remove_if(R&& r, Pred pred, Proj proj = {}); // since C++20 649 650 template<class I, class O> 651 using set_difference_result = in_out_result<I, O>; // since C++20 652 653 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 654 weakly_incrementable O, class Comp = ranges::less, 655 class Proj1 = identity, class Proj2 = identity> 656 requires mergeable<I1, I2, O, Comp, Proj1, Proj2> 657 constexpr set_difference_result<I1, O> 658 set_difference(I1 first1, S1 last1, I2 first2, S2 last2, O result, 659 Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 660 661 template<input_range R1, input_range R2, weakly_incrementable O, 662 class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity> 663 requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> 664 constexpr set_difference_result<borrowed_iterator_t<R1>, O> 665 set_difference(R1&& r1, R2&& r2, O result, 666 Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 667 668 template<class I1, class I2, class O> 669 using set_intersection_result = in_in_out_result<I1, I2, O>; // since C++20 670 671 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 672 weakly_incrementable O, class Comp = ranges::less, 673 class Proj1 = identity, class Proj2 = identity> 674 requires mergeable<I1, I2, O, Comp, Proj1, Proj2> 675 constexpr set_intersection_result<I1, I2, O> 676 set_intersection(I1 first1, S1 last1, I2 first2, S2 last2, O result, 677 Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 678 679 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 680 weakly_incrementable O, class Comp = ranges::less, 681 class Proj1 = identity, class Proj2 = identity> 682 requires mergeable<I1, I2, O, Comp, Proj1, Proj2> 683 constexpr set_intersection_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> 684 set_intersection(R1&& r1, R2&& r2, O result, 685 Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 686 687 template <class _InIter, class _OutIter> 688 using reverse_copy_result = in_out_result<_InIter, _OutIter>; // since C++20 689 690 template<bidirectional_iterator I, sentinel_for<I> S, weakly_incrementable O> 691 requires indirectly_copyable<I, O> 692 constexpr ranges::reverse_copy_result<I, O> 693 ranges::reverse_copy(I first, S last, O result); // since C++20 694 695 template<bidirectional_range R, weakly_incrementable O> 696 requires indirectly_copyable<iterator_t<R>, O> 697 constexpr ranges::reverse_copy_result<borrowed_iterator_t<R>, O> 698 ranges::reverse_copy(R&& r, O result); // since C++20 699 700 template <class _InIter, class _OutIter> 701 using rotate_copy_result = in_out_result<_InIter, _OutIter>; // since C++20 702 703 template<forward_iterator I, sentinel_for<I> S, weakly_incrementable O> 704 requires indirectly_copyable<I, O> 705 constexpr ranges::rotate_copy_result<I, O> 706 ranges::rotate_copy(I first, I middle, S last, O result); // since C++20 707 708 template<forward_range R, weakly_incrementable O> 709 requires indirectly_copyable<iterator_t<R>, O> 710 constexpr ranges::rotate_copy_result<borrowed_iterator_t<R>, O> 711 ranges::rotate_copy(R&& r, iterator_t<R> middle, O result); // since C++20 712 713 template<random_access_iterator I, sentinel_for<I> S, class Gen> 714 requires permutable<I> && 715 uniform_random_bit_generator<remove_reference_t<Gen>> 716 I shuffle(I first, S last, Gen&& g); // Since C++20 717 718 template<random_access_range R, class Gen> 719 requires permutable<iterator_t<R>> && 720 uniform_random_bit_generator<remove_reference_t<Gen>> 721 borrowed_iterator_t<R> shuffle(R&& r, Gen&& g); // Since C++20 722 723 template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2, 724 sentinel_for<I2> S2, class Pred = ranges::equal_to, 725 class Proj1 = identity, class Proj2 = identity> 726 requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> 727 constexpr subrange<I1> 728 ranges::search(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, 729 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 730 731 template<forward_range R1, forward_range R2, class Pred = ranges::equal_to, 732 class Proj1 = identity, class Proj2 = identity> 733 requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> 734 constexpr borrowed_subrange_t<R1> 735 ranges::search(R1&& r1, R2&& r2, Pred pred = {}, 736 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 737 738 template<forward_iterator I, sentinel_for<I> S, class T, 739 class Pred = ranges::equal_to, class Proj = identity> 740 requires indirectly_comparable<I, const T*, Pred, Proj> 741 constexpr subrange<I> 742 ranges::search_n(I first, S last, iter_difference_t<I> count, 743 const T& value, Pred pred = {}, Proj proj = {}); // since C++20 744 745 template<forward_range R, class T, class Pred = ranges::equal_to, 746 class Proj = identity> 747 requires indirectly_comparable<iterator_t<R>, const T*, Pred, Proj> 748 constexpr borrowed_subrange_t<R> 749 ranges::search_n(R&& r, range_difference_t<R> count, 750 const T& value, Pred pred = {}, Proj proj = {}); // since C++20 751 752 template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2, sentinel_for<I2> S2, 753 class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> 754 requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> 755 constexpr subrange<I1> 756 ranges::find_end(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, 757 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 758 759 template<forward_range R1, forward_range R2, 760 class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> 761 requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> 762 constexpr borrowed_subrange_t<R1> 763 ranges::find_end(R1&& r1, R2&& r2, Pred pred = {}, 764 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 765 766 template<class I1, class I2, class O> 767 using set_symmetric_difference_result = in_in_out_result<I1, I2, O>; // since C++20 768 769 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 770 weakly_incrementable O, class Comp = ranges::less, 771 class Proj1 = identity, class Proj2 = identity> 772 requires mergeable<I1, I2, O, Comp, Proj1, Proj2> 773 constexpr set_symmetric_difference_result<I1, I2, O> 774 set_symmetric_difference(I1 first1, S1 last1, I2 first2, S2 last2, O result, 775 Comp comp = {}, Proj1 proj1 = {}, 776 Proj2 proj2 = {}); // since C++20 777 778 template<input_range R1, input_range R2, weakly_incrementable O, 779 class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity> 780 requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> 781 constexpr set_symmetric_difference_result<borrowed_iterator_t<R1>, 782 borrowed_iterator_t<R2>, O> 783 set_symmetric_difference(R1&& r1, R2&& r2, O result, Comp comp = {}, 784 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 785 786 template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, 787 indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less> 788 constexpr subrange<I> 789 equal_range(I first, S last, const T& value, Comp comp = {}, Proj proj = {}); // since C++20 790 791 template<forward_range R, class T, class Proj = identity, 792 indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = 793 ranges::less> 794 constexpr borrowed_subrange_t<R> 795 equal_range(R&& r, const T& value, Comp comp = {}, Proj proj = {}); // since C++20 796 797 template<class I1, class I2, class O> 798 using set_union_result = in_in_out_result<I1, I2, O>; // since C++20 799 800 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 801 weakly_incrementable O, class Comp = ranges::less, 802 class Proj1 = identity, class Proj2 = identity> 803 requires mergeable<I1, I2, O, Comp, Proj1, Proj2> 804 constexpr set_union_result<I1, I2, O> 805 set_union(I1 first1, S1 last1, I2 first2, S2 last2, O result, Comp comp = {}, 806 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 807 808 template<input_range R1, input_range R2, weakly_incrementable O, 809 class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity> 810 requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> 811 constexpr set_union_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> 812 set_union(R1&& r1, R2&& r2, O result, Comp comp = {}, 813 Proj1 proj1 = {}, Proj2 proj2 = {}); // since C++20 814 815 template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, 816 class Proj1 = identity, class Proj2 = identity, 817 indirect_strict_weak_order<projected<I1, Proj1>, projected<I2, Proj2>> Comp = 818 ranges::less> 819 constexpr bool includes(I1 first1, S1 last1, I2 first2, S2 last2, Comp comp = {}, 820 Proj1 proj1 = {}, Proj2 proj2 = {}); // Since C++20 821 822 template<input_range R1, input_range R2, class Proj1 = identity, 823 class Proj2 = identity, 824 indirect_strict_weak_order<projected<iterator_t<R1>, Proj1>, 825 projected<iterator_t<R2>, Proj2>> Comp = ranges::less> 826 constexpr bool includes(R1&& r1, R2&& r2, Comp comp = {}, 827 Proj1 proj1 = {}, Proj2 proj2 = {}); // Since C++20 828} 829 830 constexpr bool // constexpr in C++20 831 all_of(InputIterator first, InputIterator last, Predicate pred); 832 833template <class InputIterator, class Predicate> 834 constexpr bool // constexpr in C++20 835 any_of(InputIterator first, InputIterator last, Predicate pred); 836 837template <class InputIterator, class Predicate> 838 constexpr bool // constexpr in C++20 839 none_of(InputIterator first, InputIterator last, Predicate pred); 840 841template <class InputIterator, class Function> 842 constexpr Function // constexpr in C++20 843 for_each(InputIterator first, InputIterator last, Function f); 844 845template<class InputIterator, class Size, class Function> 846 constexpr InputIterator // constexpr in C++20 847 for_each_n(InputIterator first, Size n, Function f); // C++17 848 849template <class InputIterator, class T> 850 constexpr InputIterator // constexpr in C++20 851 find(InputIterator first, InputIterator last, const T& value); 852 853template <class InputIterator, class Predicate> 854 constexpr InputIterator // constexpr in C++20 855 find_if(InputIterator first, InputIterator last, Predicate pred); 856 857template<class InputIterator, class Predicate> 858 constexpr InputIterator // constexpr in C++20 859 find_if_not(InputIterator first, InputIterator last, Predicate pred); 860 861template <class ForwardIterator1, class ForwardIterator2> 862 constexpr ForwardIterator1 // constexpr in C++20 863 find_end(ForwardIterator1 first1, ForwardIterator1 last1, 864 ForwardIterator2 first2, ForwardIterator2 last2); 865 866template <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> 867 constexpr ForwardIterator1 // constexpr in C++20 868 find_end(ForwardIterator1 first1, ForwardIterator1 last1, 869 ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred); 870 871template <class ForwardIterator1, class ForwardIterator2> 872 constexpr ForwardIterator1 // constexpr in C++20 873 find_first_of(ForwardIterator1 first1, ForwardIterator1 last1, 874 ForwardIterator2 first2, ForwardIterator2 last2); 875 876template <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> 877 constexpr ForwardIterator1 // constexpr in C++20 878 find_first_of(ForwardIterator1 first1, ForwardIterator1 last1, 879 ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred); 880 881template <class ForwardIterator> 882 constexpr ForwardIterator // constexpr in C++20 883 adjacent_find(ForwardIterator first, ForwardIterator last); 884 885template <class ForwardIterator, class BinaryPredicate> 886 constexpr ForwardIterator // constexpr in C++20 887 adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred); 888 889template <class InputIterator, class T> 890 constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20 891 count(InputIterator first, InputIterator last, const T& value); 892 893template <class InputIterator, class Predicate> 894 constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20 895 count_if(InputIterator first, InputIterator last, Predicate pred); 896 897template <class InputIterator1, class InputIterator2> 898 constexpr pair<InputIterator1, InputIterator2> // constexpr in C++20 899 mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2); 900 901template <class InputIterator1, class InputIterator2> 902 constexpr pair<InputIterator1, InputIterator2> // constexpr in C++20 903 mismatch(InputIterator1 first1, InputIterator1 last1, 904 InputIterator2 first2, InputIterator2 last2); // **C++14** 905 906template <class InputIterator1, class InputIterator2, class BinaryPredicate> 907 constexpr pair<InputIterator1, InputIterator2> // constexpr in C++20 908 mismatch(InputIterator1 first1, InputIterator1 last1, 909 InputIterator2 first2, BinaryPredicate pred); 910 911template <class InputIterator1, class InputIterator2, class BinaryPredicate> 912 constexpr pair<InputIterator1, InputIterator2> // constexpr in C++20 913 mismatch(InputIterator1 first1, InputIterator1 last1, 914 InputIterator2 first2, InputIterator2 last2, 915 BinaryPredicate pred); // **C++14** 916 917template <class InputIterator1, class InputIterator2> 918 constexpr bool // constexpr in C++20 919 equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2); 920 921template <class InputIterator1, class InputIterator2> 922 constexpr bool // constexpr in C++20 923 equal(InputIterator1 first1, InputIterator1 last1, 924 InputIterator2 first2, InputIterator2 last2); // **C++14** 925 926template <class InputIterator1, class InputIterator2, class BinaryPredicate> 927 constexpr bool // constexpr in C++20 928 equal(InputIterator1 first1, InputIterator1 last1, 929 InputIterator2 first2, BinaryPredicate pred); 930 931template <class InputIterator1, class InputIterator2, class BinaryPredicate> 932 constexpr bool // constexpr in C++20 933 equal(InputIterator1 first1, InputIterator1 last1, 934 InputIterator2 first2, InputIterator2 last2, 935 BinaryPredicate pred); // **C++14** 936 937template<class ForwardIterator1, class ForwardIterator2> 938 constexpr bool // constexpr in C++20 939 is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, 940 ForwardIterator2 first2); 941 942template<class ForwardIterator1, class ForwardIterator2> 943 constexpr bool // constexpr in C++20 944 is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, 945 ForwardIterator2 first2, ForwardIterator2 last2); // **C++14** 946 947template<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> 948 constexpr bool // constexpr in C++20 949 is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, 950 ForwardIterator2 first2, BinaryPredicate pred); 951 952template<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> 953 constexpr bool // constexpr in C++20 954 is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, 955 ForwardIterator2 first2, ForwardIterator2 last2, 956 BinaryPredicate pred); // **C++14** 957 958template <class ForwardIterator1, class ForwardIterator2> 959 constexpr ForwardIterator1 // constexpr in C++20 960 search(ForwardIterator1 first1, ForwardIterator1 last1, 961 ForwardIterator2 first2, ForwardIterator2 last2); 962 963template <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> 964 constexpr ForwardIterator1 // constexpr in C++20 965 search(ForwardIterator1 first1, ForwardIterator1 last1, 966 ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred); 967 968template <class ForwardIterator, class Size, class T> 969 constexpr ForwardIterator // constexpr in C++20 970 search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value); 971 972template <class ForwardIterator, class Size, class T, class BinaryPredicate> 973 constexpr ForwardIterator // constexpr in C++20 974 search_n(ForwardIterator first, ForwardIterator last, 975 Size count, const T& value, BinaryPredicate pred); 976 977template <class InputIterator, class OutputIterator> 978 constexpr OutputIterator // constexpr in C++20 979 copy(InputIterator first, InputIterator last, OutputIterator result); 980 981template<class InputIterator, class OutputIterator, class Predicate> 982 constexpr OutputIterator // constexpr in C++20 983 copy_if(InputIterator first, InputIterator last, 984 OutputIterator result, Predicate pred); 985 986template<class InputIterator, class Size, class OutputIterator> 987 constexpr OutputIterator // constexpr in C++20 988 copy_n(InputIterator first, Size n, OutputIterator result); 989 990template <class BidirectionalIterator1, class BidirectionalIterator2> 991 constexpr BidirectionalIterator2 // constexpr in C++20 992 copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last, 993 BidirectionalIterator2 result); 994 995// [alg.move], move 996template<class InputIterator, class OutputIterator> 997 constexpr OutputIterator move(InputIterator first, InputIterator last, 998 OutputIterator result); 999 1000template<class BidirectionalIterator1, class BidirectionalIterator2> 1001 constexpr BidirectionalIterator2 1002 move_backward(BidirectionalIterator1 first, BidirectionalIterator1 last, 1003 BidirectionalIterator2 result); 1004 1005template <class ForwardIterator1, class ForwardIterator2> 1006 constexpr ForwardIterator2 // constexpr in C++20 1007 swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2); 1008 1009namespace ranges { 1010 template<class I1, class I2> 1011 using swap_ranges_result = in_in_result<I1, I2>; 1012 1013template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2> 1014 requires indirectly_swappable<I1, I2> 1015 constexpr ranges::swap_ranges_result<I1, I2> 1016 swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2); 1017 1018template<input_range R1, input_range R2> 1019 requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>> 1020 constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>> 1021 swap_ranges(R1&& r1, R2&& r2); 1022} 1023 1024template <class ForwardIterator1, class ForwardIterator2> 1025 constexpr void // constexpr in C++20 1026 iter_swap(ForwardIterator1 a, ForwardIterator2 b); 1027 1028template <class InputIterator, class OutputIterator, class UnaryOperation> 1029 constexpr OutputIterator // constexpr in C++20 1030 transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op); 1031 1032template <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation> 1033 constexpr OutputIterator // constexpr in C++20 1034 transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, 1035 OutputIterator result, BinaryOperation binary_op); 1036 1037template <class ForwardIterator, class T> 1038 constexpr void // constexpr in C++20 1039 replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value); 1040 1041template <class ForwardIterator, class Predicate, class T> 1042 constexpr void // constexpr in C++20 1043 replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value); 1044 1045template <class InputIterator, class OutputIterator, class T> 1046 constexpr OutputIterator // constexpr in C++20 1047 replace_copy(InputIterator first, InputIterator last, OutputIterator result, 1048 const T& old_value, const T& new_value); 1049 1050template <class InputIterator, class OutputIterator, class Predicate, class T> 1051 constexpr OutputIterator // constexpr in C++20 1052 replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value); 1053 1054template <class ForwardIterator, class T> 1055 constexpr void // constexpr in C++20 1056 fill(ForwardIterator first, ForwardIterator last, const T& value); 1057 1058template <class OutputIterator, class Size, class T> 1059 constexpr OutputIterator // constexpr in C++20 1060 fill_n(OutputIterator first, Size n, const T& value); 1061 1062template <class ForwardIterator, class Generator> 1063 constexpr void // constexpr in C++20 1064 generate(ForwardIterator first, ForwardIterator last, Generator gen); 1065 1066template <class OutputIterator, class Size, class Generator> 1067 constexpr OutputIterator // constexpr in C++20 1068 generate_n(OutputIterator first, Size n, Generator gen); 1069 1070template <class ForwardIterator, class T> 1071 constexpr ForwardIterator // constexpr in C++20 1072 remove(ForwardIterator first, ForwardIterator last, const T& value); 1073 1074template <class ForwardIterator, class Predicate> 1075 constexpr ForwardIterator // constexpr in C++20 1076 remove_if(ForwardIterator first, ForwardIterator last, Predicate pred); 1077 1078template <class InputIterator, class OutputIterator, class T> 1079 constexpr OutputIterator // constexpr in C++20 1080 remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value); 1081 1082template <class InputIterator, class OutputIterator, class Predicate> 1083 constexpr OutputIterator // constexpr in C++20 1084 remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred); 1085 1086template <class ForwardIterator> 1087 constexpr ForwardIterator // constexpr in C++20 1088 unique(ForwardIterator first, ForwardIterator last); 1089 1090template <class ForwardIterator, class BinaryPredicate> 1091 constexpr ForwardIterator // constexpr in C++20 1092 unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred); 1093 1094template <class InputIterator, class OutputIterator> 1095 constexpr OutputIterator // constexpr in C++20 1096 unique_copy(InputIterator first, InputIterator last, OutputIterator result); 1097 1098template <class InputIterator, class OutputIterator, class BinaryPredicate> 1099 constexpr OutputIterator // constexpr in C++20 1100 unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred); 1101 1102template <class BidirectionalIterator> 1103 constexpr void // constexpr in C++20 1104 reverse(BidirectionalIterator first, BidirectionalIterator last); 1105 1106template <class BidirectionalIterator, class OutputIterator> 1107 constexpr OutputIterator // constexpr in C++20 1108 reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result); 1109 1110template <class ForwardIterator> 1111 constexpr ForwardIterator // constexpr in C++20 1112 rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last); 1113 1114template <class ForwardIterator, class OutputIterator> 1115 constexpr OutputIterator // constexpr in C++20 1116 rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result); 1117 1118template <class RandomAccessIterator> 1119 void 1120 random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17 1121 1122template <class RandomAccessIterator, class RandomNumberGenerator> 1123 void 1124 random_shuffle(RandomAccessIterator first, RandomAccessIterator last, 1125 RandomNumberGenerator& rand); // deprecated in C++14, removed in C++17 1126 1127template<class PopulationIterator, class SampleIterator, 1128 class Distance, class UniformRandomBitGenerator> 1129 SampleIterator sample(PopulationIterator first, PopulationIterator last, 1130 SampleIterator out, Distance n, 1131 UniformRandomBitGenerator&& g); // C++17 1132 1133template<class RandomAccessIterator, class UniformRandomNumberGenerator> 1134 void shuffle(RandomAccessIterator first, RandomAccessIterator last, 1135 UniformRandomNumberGenerator&& g); 1136 1137template<class ForwardIterator> 1138 constexpr ForwardIterator 1139 shift_left(ForwardIterator first, ForwardIterator last, 1140 typename iterator_traits<ForwardIterator>::difference_type n); // C++20 1141 1142template<class ForwardIterator> 1143 constexpr ForwardIterator 1144 shift_right(ForwardIterator first, ForwardIterator last, 1145 typename iterator_traits<ForwardIterator>::difference_type n); // C++20 1146 1147template <class InputIterator, class Predicate> 1148 constexpr bool // constexpr in C++20 1149 is_partitioned(InputIterator first, InputIterator last, Predicate pred); 1150 1151template <class ForwardIterator, class Predicate> 1152 constexpr ForwardIterator // constexpr in C++20 1153 partition(ForwardIterator first, ForwardIterator last, Predicate pred); 1154 1155template <class InputIterator, class OutputIterator1, 1156 class OutputIterator2, class Predicate> 1157 constexpr pair<OutputIterator1, OutputIterator2> // constexpr in C++20 1158 partition_copy(InputIterator first, InputIterator last, 1159 OutputIterator1 out_true, OutputIterator2 out_false, 1160 Predicate pred); 1161 1162template <class ForwardIterator, class Predicate> 1163 ForwardIterator 1164 stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred); 1165 1166template<class ForwardIterator, class Predicate> 1167 constexpr ForwardIterator // constexpr in C++20 1168 partition_point(ForwardIterator first, ForwardIterator last, Predicate pred); 1169 1170template <class ForwardIterator> 1171 constexpr bool // constexpr in C++20 1172 is_sorted(ForwardIterator first, ForwardIterator last); 1173 1174template <class ForwardIterator, class Compare> 1175 constexpr bool // constexpr in C++20 1176 is_sorted(ForwardIterator first, ForwardIterator last, Compare comp); 1177 1178template<class ForwardIterator> 1179 constexpr ForwardIterator // constexpr in C++20 1180 is_sorted_until(ForwardIterator first, ForwardIterator last); 1181 1182template <class ForwardIterator, class Compare> 1183 constexpr ForwardIterator // constexpr in C++20 1184 is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp); 1185 1186template <class RandomAccessIterator> 1187 constexpr void // constexpr in C++20 1188 sort(RandomAccessIterator first, RandomAccessIterator last); 1189 1190template <class RandomAccessIterator, class Compare> 1191 constexpr void // constexpr in C++20 1192 sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp); 1193 1194template <class RandomAccessIterator> 1195 void 1196 stable_sort(RandomAccessIterator first, RandomAccessIterator last); 1197 1198template <class RandomAccessIterator, class Compare> 1199 void 1200 stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp); 1201 1202template <class RandomAccessIterator> 1203 constexpr void // constexpr in C++20 1204 partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last); 1205 1206template <class RandomAccessIterator, class Compare> 1207 constexpr void // constexpr in C++20 1208 partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp); 1209 1210template <class InputIterator, class RandomAccessIterator> 1211 constexpr RandomAccessIterator // constexpr in C++20 1212 partial_sort_copy(InputIterator first, InputIterator last, 1213 RandomAccessIterator result_first, RandomAccessIterator result_last); 1214 1215template <class InputIterator, class RandomAccessIterator, class Compare> 1216 constexpr RandomAccessIterator // constexpr in C++20 1217 partial_sort_copy(InputIterator first, InputIterator last, 1218 RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp); 1219 1220template <class RandomAccessIterator> 1221 constexpr void // constexpr in C++20 1222 nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last); 1223 1224template <class RandomAccessIterator, class Compare> 1225 constexpr void // constexpr in C++20 1226 nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp); 1227 1228template <class ForwardIterator, class T> 1229 constexpr ForwardIterator // constexpr in C++20 1230 lower_bound(ForwardIterator first, ForwardIterator last, const T& value); 1231 1232template <class ForwardIterator, class T, class Compare> 1233 constexpr ForwardIterator // constexpr in C++20 1234 lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); 1235 1236template <class ForwardIterator, class T> 1237 constexpr ForwardIterator // constexpr in C++20 1238 upper_bound(ForwardIterator first, ForwardIterator last, const T& value); 1239 1240template <class ForwardIterator, class T, class Compare> 1241 constexpr ForwardIterator // constexpr in C++20 1242 upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); 1243 1244template <class ForwardIterator, class T> 1245 constexpr pair<ForwardIterator, ForwardIterator> // constexpr in C++20 1246 equal_range(ForwardIterator first, ForwardIterator last, const T& value); 1247 1248template <class ForwardIterator, class T, class Compare> 1249 constexpr pair<ForwardIterator, ForwardIterator> // constexpr in C++20 1250 equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); 1251 1252template <class ForwardIterator, class T> 1253 constexpr bool // constexpr in C++20 1254 binary_search(ForwardIterator first, ForwardIterator last, const T& value); 1255 1256template <class ForwardIterator, class T, class Compare> 1257 constexpr bool // constexpr in C++20 1258 binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); 1259 1260template <class InputIterator1, class InputIterator2, class OutputIterator> 1261 constexpr OutputIterator // constexpr in C++20 1262 merge(InputIterator1 first1, InputIterator1 last1, 1263 InputIterator2 first2, InputIterator2 last2, OutputIterator result); 1264 1265template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> 1266 constexpr OutputIterator // constexpr in C++20 1267 merge(InputIterator1 first1, InputIterator1 last1, 1268 InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); 1269 1270template <class BidirectionalIterator> 1271 void 1272 inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last); 1273 1274template <class BidirectionalIterator, class Compare> 1275 void 1276 inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp); 1277 1278template <class InputIterator1, class InputIterator2> 1279 constexpr bool // constexpr in C++20 1280 includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2); 1281 1282template <class InputIterator1, class InputIterator2, class Compare> 1283 constexpr bool // constexpr in C++20 1284 includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp); 1285 1286template <class InputIterator1, class InputIterator2, class OutputIterator> 1287 constexpr OutputIterator // constexpr in C++20 1288 set_union(InputIterator1 first1, InputIterator1 last1, 1289 InputIterator2 first2, InputIterator2 last2, OutputIterator result); 1290 1291template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> 1292 constexpr OutputIterator // constexpr in C++20 1293 set_union(InputIterator1 first1, InputIterator1 last1, 1294 InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); 1295 1296template <class InputIterator1, class InputIterator2, class OutputIterator> 1297 constexpr OutputIterator // constexpr in C++20 1298 set_intersection(InputIterator1 first1, InputIterator1 last1, 1299 InputIterator2 first2, InputIterator2 last2, OutputIterator result); 1300 1301template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> 1302 constexpr OutputIterator // constexpr in C++20 1303 set_intersection(InputIterator1 first1, InputIterator1 last1, 1304 InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); 1305 1306template <class InputIterator1, class InputIterator2, class OutputIterator> 1307 constexpr OutputIterator // constexpr in C++20 1308 set_difference(InputIterator1 first1, InputIterator1 last1, 1309 InputIterator2 first2, InputIterator2 last2, OutputIterator result); 1310 1311template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> 1312 constexpr OutputIterator // constexpr in C++20 1313 set_difference(InputIterator1 first1, InputIterator1 last1, 1314 InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); 1315 1316template <class InputIterator1, class InputIterator2, class OutputIterator> 1317 constexpr OutputIterator // constexpr in C++20 1318 set_symmetric_difference(InputIterator1 first1, InputIterator1 last1, 1319 InputIterator2 first2, InputIterator2 last2, OutputIterator result); 1320 1321template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> 1322 constexpr OutputIterator // constexpr in C++20 1323 set_symmetric_difference(InputIterator1 first1, InputIterator1 last1, 1324 InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); 1325 1326template <class RandomAccessIterator> 1327 constexpr void // constexpr in C++20 1328 push_heap(RandomAccessIterator first, RandomAccessIterator last); 1329 1330template <class RandomAccessIterator, class Compare> 1331 constexpr void // constexpr in C++20 1332 push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); 1333 1334template <class RandomAccessIterator> 1335 constexpr void // constexpr in C++20 1336 pop_heap(RandomAccessIterator first, RandomAccessIterator last); 1337 1338template <class RandomAccessIterator, class Compare> 1339 constexpr void // constexpr in C++20 1340 pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); 1341 1342template <class RandomAccessIterator> 1343 constexpr void // constexpr in C++20 1344 make_heap(RandomAccessIterator first, RandomAccessIterator last); 1345 1346template <class RandomAccessIterator, class Compare> 1347 constexpr void // constexpr in C++20 1348 make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); 1349 1350template <class RandomAccessIterator> 1351 constexpr void // constexpr in C++20 1352 sort_heap(RandomAccessIterator first, RandomAccessIterator last); 1353 1354template <class RandomAccessIterator, class Compare> 1355 constexpr void // constexpr in C++20 1356 sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); 1357 1358template <class RandomAccessIterator> 1359 constexpr bool // constexpr in C++20 1360 is_heap(RandomAccessIterator first, RandomAccessiterator last); 1361 1362template <class RandomAccessIterator, class Compare> 1363 constexpr bool // constexpr in C++20 1364 is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp); 1365 1366template <class RandomAccessIterator> 1367 constexpr RandomAccessIterator // constexpr in C++20 1368 is_heap_until(RandomAccessIterator first, RandomAccessiterator last); 1369 1370template <class RandomAccessIterator, class Compare> 1371 constexpr RandomAccessIterator // constexpr in C++20 1372 is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp); 1373 1374template <class ForwardIterator> 1375 constexpr ForwardIterator // constexpr in C++14 1376 min_element(ForwardIterator first, ForwardIterator last); 1377 1378template <class ForwardIterator, class Compare> 1379 constexpr ForwardIterator // constexpr in C++14 1380 min_element(ForwardIterator first, ForwardIterator last, Compare comp); 1381 1382template <class T> 1383 constexpr const T& // constexpr in C++14 1384 min(const T& a, const T& b); 1385 1386template <class T, class Compare> 1387 constexpr const T& // constexpr in C++14 1388 min(const T& a, const T& b, Compare comp); 1389 1390template<class T> 1391 constexpr T // constexpr in C++14 1392 min(initializer_list<T> t); 1393 1394template<class T, class Compare> 1395 constexpr T // constexpr in C++14 1396 min(initializer_list<T> t, Compare comp); 1397 1398template<class T> 1399 constexpr const T& clamp(const T& v, const T& lo, const T& hi); // C++17 1400 1401template<class T, class Compare> 1402 constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17 1403 1404template <class ForwardIterator> 1405 constexpr ForwardIterator // constexpr in C++14 1406 max_element(ForwardIterator first, ForwardIterator last); 1407 1408template <class ForwardIterator, class Compare> 1409 constexpr ForwardIterator // constexpr in C++14 1410 max_element(ForwardIterator first, ForwardIterator last, Compare comp); 1411 1412template <class T> 1413 constexpr const T& // constexpr in C++14 1414 max(const T& a, const T& b); 1415 1416template <class T, class Compare> 1417 constexpr const T& // constexpr in C++14 1418 max(const T& a, const T& b, Compare comp); 1419 1420template<class T> 1421 constexpr T // constexpr in C++14 1422 max(initializer_list<T> t); 1423 1424template<class T, class Compare> 1425 constexpr T // constexpr in C++14 1426 max(initializer_list<T> t, Compare comp); 1427 1428template<class ForwardIterator> 1429 constexpr pair<ForwardIterator, ForwardIterator> // constexpr in C++14 1430 minmax_element(ForwardIterator first, ForwardIterator last); 1431 1432template<class ForwardIterator, class Compare> 1433 constexpr pair<ForwardIterator, ForwardIterator> // constexpr in C++14 1434 minmax_element(ForwardIterator first, ForwardIterator last, Compare comp); 1435 1436template<class T> 1437 constexpr pair<const T&, const T&> // constexpr in C++14 1438 minmax(const T& a, const T& b); 1439 1440template<class T, class Compare> 1441 constexpr pair<const T&, const T&> // constexpr in C++14 1442 minmax(const T& a, const T& b, Compare comp); 1443 1444template<class T> 1445 constexpr pair<T, T> // constexpr in C++14 1446 minmax(initializer_list<T> t); 1447 1448template<class T, class Compare> 1449 constexpr pair<T, T> // constexpr in C++14 1450 minmax(initializer_list<T> t, Compare comp); 1451 1452template <class InputIterator1, class InputIterator2> 1453 constexpr bool // constexpr in C++20 1454 lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2); 1455 1456template <class InputIterator1, class InputIterator2, class Compare> 1457 constexpr bool // constexpr in C++20 1458 lexicographical_compare(InputIterator1 first1, InputIterator1 last1, 1459 InputIterator2 first2, InputIterator2 last2, Compare comp); 1460 1461template <class BidirectionalIterator> 1462 constexpr bool // constexpr in C++20 1463 next_permutation(BidirectionalIterator first, BidirectionalIterator last); 1464 1465template <class BidirectionalIterator, class Compare> 1466 constexpr bool // constexpr in C++20 1467 next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp); 1468 1469template <class BidirectionalIterator> 1470 constexpr bool // constexpr in C++20 1471 prev_permutation(BidirectionalIterator first, BidirectionalIterator last); 1472 1473template <class BidirectionalIterator, class Compare> 1474 constexpr bool // constexpr in C++20 1475 prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp); 1476} // std 1477 1478*/ 1479 1480#include <__assert> // all public C++ headers provide the assertion handler 1481#include <__bits> 1482#include <__config> 1483#include <__debug> 1484#include <cstddef> 1485#include <cstring> 1486#include <memory> 1487#include <type_traits> 1488#include <version> 1489 1490#include <__algorithm/adjacent_find.h> 1491#include <__algorithm/all_of.h> 1492#include <__algorithm/any_of.h> 1493#include <__algorithm/binary_search.h> 1494#include <__algorithm/clamp.h> 1495#include <__algorithm/comp.h> 1496#include <__algorithm/comp_ref_type.h> 1497#include <__algorithm/copy.h> 1498#include <__algorithm/copy_backward.h> 1499#include <__algorithm/copy_if.h> 1500#include <__algorithm/copy_n.h> 1501#include <__algorithm/count.h> 1502#include <__algorithm/count_if.h> 1503#include <__algorithm/equal.h> 1504#include <__algorithm/equal_range.h> 1505#include <__algorithm/fill.h> 1506#include <__algorithm/fill_n.h> 1507#include <__algorithm/find.h> 1508#include <__algorithm/find_end.h> 1509#include <__algorithm/find_first_of.h> 1510#include <__algorithm/find_if.h> 1511#include <__algorithm/find_if_not.h> 1512#include <__algorithm/for_each.h> 1513#include <__algorithm/for_each_n.h> 1514#include <__algorithm/generate.h> 1515#include <__algorithm/generate_n.h> 1516#include <__algorithm/half_positive.h> 1517#include <__algorithm/in_found_result.h> 1518#include <__algorithm/in_fun_result.h> 1519#include <__algorithm/in_in_out_result.h> 1520#include <__algorithm/in_in_result.h> 1521#include <__algorithm/in_out_out_result.h> 1522#include <__algorithm/in_out_result.h> 1523#include <__algorithm/includes.h> 1524#include <__algorithm/inplace_merge.h> 1525#include <__algorithm/is_heap.h> 1526#include <__algorithm/is_heap_until.h> 1527#include <__algorithm/is_partitioned.h> 1528#include <__algorithm/is_permutation.h> 1529#include <__algorithm/is_sorted.h> 1530#include <__algorithm/is_sorted_until.h> 1531#include <__algorithm/iter_swap.h> 1532#include <__algorithm/lexicographical_compare.h> 1533#include <__algorithm/lower_bound.h> 1534#include <__algorithm/make_heap.h> 1535#include <__algorithm/max.h> 1536#include <__algorithm/max_element.h> 1537#include <__algorithm/merge.h> 1538#include <__algorithm/min.h> 1539#include <__algorithm/min_element.h> 1540#include <__algorithm/min_max_result.h> 1541#include <__algorithm/minmax.h> 1542#include <__algorithm/minmax_element.h> 1543#include <__algorithm/mismatch.h> 1544#include <__algorithm/move.h> 1545#include <__algorithm/move_backward.h> 1546#include <__algorithm/next_permutation.h> 1547#include <__algorithm/none_of.h> 1548#include <__algorithm/nth_element.h> 1549#include <__algorithm/partial_sort.h> 1550#include <__algorithm/partial_sort_copy.h> 1551#include <__algorithm/partition.h> 1552#include <__algorithm/partition_copy.h> 1553#include <__algorithm/partition_point.h> 1554#include <__algorithm/pop_heap.h> 1555#include <__algorithm/prev_permutation.h> 1556#include <__algorithm/push_heap.h> 1557#include <__algorithm/ranges_adjacent_find.h> 1558#include <__algorithm/ranges_all_of.h> 1559#include <__algorithm/ranges_any_of.h> 1560#include <__algorithm/ranges_binary_search.h> 1561#include <__algorithm/ranges_copy.h> 1562#include <__algorithm/ranges_copy_backward.h> 1563#include <__algorithm/ranges_copy_if.h> 1564#include <__algorithm/ranges_copy_n.h> 1565#include <__algorithm/ranges_count.h> 1566#include <__algorithm/ranges_count_if.h> 1567#include <__algorithm/ranges_equal.h> 1568#include <__algorithm/ranges_equal_range.h> 1569#include <__algorithm/ranges_fill.h> 1570#include <__algorithm/ranges_fill_n.h> 1571#include <__algorithm/ranges_find.h> 1572#include <__algorithm/ranges_find_end.h> 1573#include <__algorithm/ranges_find_first_of.h> 1574#include <__algorithm/ranges_find_if.h> 1575#include <__algorithm/ranges_find_if_not.h> 1576#include <__algorithm/ranges_for_each.h> 1577#include <__algorithm/ranges_for_each_n.h> 1578#include <__algorithm/ranges_includes.h> 1579#include <__algorithm/ranges_is_partitioned.h> 1580#include <__algorithm/ranges_is_sorted.h> 1581#include <__algorithm/ranges_is_sorted_until.h> 1582#include <__algorithm/ranges_lexicographical_compare.h> 1583#include <__algorithm/ranges_lower_bound.h> 1584#include <__algorithm/ranges_make_heap.h> 1585#include <__algorithm/ranges_max.h> 1586#include <__algorithm/ranges_max_element.h> 1587#include <__algorithm/ranges_merge.h> 1588#include <__algorithm/ranges_min.h> 1589#include <__algorithm/ranges_min_element.h> 1590#include <__algorithm/ranges_minmax.h> 1591#include <__algorithm/ranges_minmax_element.h> 1592#include <__algorithm/ranges_mismatch.h> 1593#include <__algorithm/ranges_move.h> 1594#include <__algorithm/ranges_move_backward.h> 1595#include <__algorithm/ranges_none_of.h> 1596#include <__algorithm/ranges_nth_element.h> 1597#include <__algorithm/ranges_partial_sort.h> 1598#include <__algorithm/ranges_partition.h> 1599#include <__algorithm/ranges_partition_copy.h> 1600#include <__algorithm/ranges_partition_point.h> 1601#include <__algorithm/ranges_pop_heap.h> 1602#include <__algorithm/ranges_push_heap.h> 1603#include <__algorithm/ranges_remove.h> 1604#include <__algorithm/ranges_remove_if.h> 1605#include <__algorithm/ranges_replace.h> 1606#include <__algorithm/ranges_replace_if.h> 1607#include <__algorithm/ranges_reverse.h> 1608#include <__algorithm/ranges_reverse_copy.h> 1609#include <__algorithm/ranges_rotate_copy.h> 1610#include <__algorithm/ranges_search.h> 1611#include <__algorithm/ranges_search_n.h> 1612#include <__algorithm/ranges_set_difference.h> 1613#include <__algorithm/ranges_set_intersection.h> 1614#include <__algorithm/ranges_set_symmetric_difference.h> 1615#include <__algorithm/ranges_set_union.h> 1616#include <__algorithm/ranges_shuffle.h> 1617#include <__algorithm/ranges_sort.h> 1618#include <__algorithm/ranges_sort_heap.h> 1619#include <__algorithm/ranges_stable_partition.h> 1620#include <__algorithm/ranges_stable_sort.h> 1621#include <__algorithm/ranges_swap_ranges.h> 1622#include <__algorithm/ranges_transform.h> 1623#include <__algorithm/ranges_upper_bound.h> 1624#include <__algorithm/remove.h> 1625#include <__algorithm/remove_copy.h> 1626#include <__algorithm/remove_copy_if.h> 1627#include <__algorithm/remove_if.h> 1628#include <__algorithm/replace.h> 1629#include <__algorithm/replace_copy.h> 1630#include <__algorithm/replace_copy_if.h> 1631#include <__algorithm/replace_if.h> 1632#include <__algorithm/reverse.h> 1633#include <__algorithm/reverse_copy.h> 1634#include <__algorithm/rotate.h> 1635#include <__algorithm/rotate_copy.h> 1636#include <__algorithm/sample.h> 1637#include <__algorithm/search.h> 1638#include <__algorithm/search_n.h> 1639#include <__algorithm/set_difference.h> 1640#include <__algorithm/set_intersection.h> 1641#include <__algorithm/set_symmetric_difference.h> 1642#include <__algorithm/set_union.h> 1643#include <__algorithm/shift_left.h> 1644#include <__algorithm/shift_right.h> 1645#include <__algorithm/shuffle.h> 1646#include <__algorithm/sift_down.h> 1647#include <__algorithm/sort.h> 1648#include <__algorithm/sort_heap.h> 1649#include <__algorithm/stable_partition.h> 1650#include <__algorithm/stable_sort.h> 1651#include <__algorithm/swap_ranges.h> 1652#include <__algorithm/transform.h> 1653#include <__algorithm/unique.h> 1654#include <__algorithm/unique_copy.h> 1655#include <__algorithm/unwrap_iter.h> 1656#include <__algorithm/upper_bound.h> 1657 1658#ifndef _LIBCPP_REMOVE_TRANSITIVE_INCLUDES 1659# include <chrono> 1660# include <iterator> 1661# include <utility> 1662#endif 1663 1664// standard-mandated includes 1665#include <initializer_list> 1666 1667#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1668# pragma GCC system_header 1669#endif 1670 1671#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17 1672# include <__pstl_algorithm> 1673#endif 1674 1675#endif // _LIBCPP_ALGORITHM 1676