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Open on Codeforces · 1,998 unique accepted
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Quality: 4,319 global accepts · Tags: combinatorics, divide and conquer, dp · first AC: Feb 11, 2022 · C++14 (GCC 6-32) (first AC)
Quality: 1,904 global accepts · Tags: brute force, data structures, hashing, implementation, math · first AC: Feb 10, 2022 · C++14 (GCC 6-32) (first AC)
Quality: 1,389 global accepts · Tags: combinatorics, dp · first AC: Jan 13, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 7,954 global accepts · Tags: data structures, dsu · first AC: Jan 13, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 350 global accepts · Tags: combinatorics, data structures, dfs and similar, dp, trees · first AC: Jan 22, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 163 global accepts · Tags: constructive algorithms, graphs, implementation · first AC: Jan 21, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 466 global accepts · Tags: combinatorics, dp, fft, math, trees · first AC: Jan 20, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 594 global accepts · Tags: bitmasks, data structures, dp, hashing, probabilities · first AC: Jan 19, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 666 global accepts · Tags: combinatorics, data structures, greedy · first AC: Sep 20, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 570 global accepts · Tags: combinatorics, dp · first AC: Jul 8, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 554 global accepts · Tags: bitmasks, math, matrices · first AC: May 28, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,126 global accepts · Tags: combinatorics, dp · first AC: Feb 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 742 global accepts · Tags: brute force, combinatorics, dp, math · first AC: Feb 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 331 global accepts · Tags: dp, implementation · first AC: Nov 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 4,037 global accepts · Tags: dfs and similar, divide and conquer, dp, graphs, sortings, trees · first AC: Mar 31, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 1,025 global accepts · Tags: games, math · first AC: Mar 28, 2023 · last AC: Mar 28, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 559 global accepts · Tags: combinatorics, dp, math · first AC: Mar 26, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 920 global accepts · Tags: binary search, constructive algorithms, data structures, greedy, hashing, strings · first AC: Mar 8, 2023 · last AC: Mar 8, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 721 global accepts · Tags: 2-sat, constructive algorithms, graphs, implementation · first AC: Nov 22, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 936 global accepts · Tags: constructive algorithms, dfs and similar, graphs · first AC: Apr 26, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,392 global accepts · Tags: data structures, greedy · first AC: Apr 6, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,051 global accepts · Tags: data structures, divide and conquer, dp, implementation, shortest paths · first AC: Mar 26, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,483 global accepts · Tags: bitmasks, data structures, divide and conquer, greedy, hashing, sortings, strings · first AC: Mar 20, 2022 · last AC: Mar 23, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 5,629 global accepts · Tags: dp · first AC: Jan 13, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 277 global accepts · Tags: fft, math, number theory, strings · first AC: Feb 24, 2026 · C++17 (GCC 7-32) (first AC)