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Open on Codeforces · 623 unique accepted
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Tags: combinatorics, data structures, dp, math · first AC: Dec 12, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 1,558 global accepts · Tags: combinatorics, fft, graphs, math, number theory · first AC: Dec 11, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 2,451 global accepts · Tags: bitmasks, data structures, dp, matrices · first AC: Nov 28, 2021 · last AC: Nov 28, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 1,579 global accepts · Tags: brute force, constructive algorithms, implementation, sortings · first AC: Oct 29, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 1,538 global accepts · Tags: constructive algorithms, math · first AC: Oct 8, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 357 global accepts · Tags: data structures, geometry · first AC: Oct 2, 2021 · last AC: Oct 2, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 1,579 global accepts · Tags: brute force, constructive algorithms, interactive, math · first AC: Aug 1, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 1,437 global accepts · Tags: combinatorics, dp, fft, math · first AC: Jul 3, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 1,662 global accepts · Tags: combinatorics, dp, math, strings · first AC: Mar 18, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 1,182 global accepts · Tags: math, matrices, number theory · first AC: Feb 11, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 2,200 global accepts · Tags: bitmasks, brute force, hashing, string suffix structures, strings, two pointers · first AC: Dec 29, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 856 global accepts · Tags: brute force, dp, greedy, interactive, math, number theory, trees · first AC: Mar 28, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 786 global accepts · Tags: data structures, greedy, implementation · first AC: Feb 23, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 950 global accepts · Tags: combinatorics, dsu, number theory, probabilities, trees · first AC: Jan 17, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 896 global accepts · Tags: graph matchings, greedy · first AC: Nov 16, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,416 global accepts · Tags: brute force, combinatorics, dp, math, two pointers · first AC: Jul 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 851 global accepts · Tags: constructive algorithms, graphs, greedy · first AC: Nov 9, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,102 global accepts · Tags: binary search, brute force, dfs and similar, dp, trees · first AC: Oct 27, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,530 global accepts · Tags: constructive algorithms, dfs and similar, graphs, trees · first AC: Jul 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,368 global accepts · Tags: dp · first AC: Jun 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,788 global accepts · Tags: combinatorics, dp, math, probabilities · first AC: Jul 29, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 881 global accepts · Tags: graphs, shortest paths · first AC: Feb 19, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 599 global accepts · Tags: combinatorics, data structures, dp, math, number theory, trees · first AC: Sep 4, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,459 global accepts · Tags: dp, math · first AC: May 8, 2022 · last AC: May 8, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,051 global accepts · Tags: brute force, data structures, dsu, graphs, sortings · first AC: Feb 9, 2022 · C++20 (GCC 11-64) (first AC)