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Open on Codeforces · 1,227 unique accepted
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Quality: 1,929 global accepts · Tags: binary search, math, ternary search · first AC: Jun 29, 2017 · C++14 (GCC 6-32) (first AC)
Quality: 1,666 global accepts · Tags: dp, matrices · first AC: Jun 25, 2017 · C++14 (GCC 6-32) (first AC)
Quality: 1,824 global accepts · Tags: combinatorics, math, trees · first AC: Dec 27, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 2,559 global accepts · Tags: combinatorics, dp · first AC: Sep 15, 2025 · C++17 (GCC 7-32) (first AC)
Tags: bitmasks, brute force, dp · first AC: Jul 29, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 2,520 global accepts · Tags: combinatorics, trees · first AC: May 25, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 3,451 global accepts · Tags: brute force, data structures, dfs and similar, trees · first AC: Mar 18, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 3,292 global accepts · Tags: data structures, dfs and similar, dp · first AC: Feb 9, 2023 · last AC: Feb 9, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 2,550 global accepts · Tags: dfs and similar, dp, hashing, string suffix structures, strings, trees · first AC: Aug 27, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 2,989 global accepts · Tags: data structures, dp, greedy · first AC: Aug 29, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 2,245 global accepts · Tags: data structures, math · first AC: Aug 26, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 2,715 global accepts · Tags: combinatorics, dp, fft, math, number theory · first AC: Aug 15, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 3,334 global accepts · Tags: binary search, data structures, dp, sortings · first AC: Jul 25, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 2,168 global accepts · Tags: brute force, constructive algorithms, interactive, math · first AC: Jul 7, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 2,921 global accepts · Tags: combinatorics, dp, implementation, math, ternary search · first AC: Jul 3, 2021 · last AC: Jul 3, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 2,815 global accepts · Tags: constructive algorithms, dfs and similar, dsu, graphs, greedy, math · first AC: Jun 18, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 6,162 global accepts · Tags: binary search, data structures, greedy, hashing, string suffix structures, strings, two pointers · first AC: Jun 18, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 2,952 global accepts · Tags: brute force, constructive algorithms, dp, greedy · first AC: Jun 25, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 4,085 global accepts · Tags: dp, strings · first AC: Apr 15, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 2,423 global accepts · Tags: data structures, dfs and similar, dsu, graphs, greedy, matrices · first AC: Apr 13, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 3,440 global accepts · Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math · first AC: Apr 13, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 3,004 global accepts · Tags: dfs and similar, dp, dsu, graphs, greedy, trees · first AC: Sep 18, 2019 · last AC: Sep 18, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 4,540 global accepts · Tags: data structures, dfs and similar, divide and conquer, dp, greedy, implementation, trees · first AC: Jun 5, 2019 · last AC: Jun 5, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 4,033 global accepts · Tags: data structures, divide and conquer, dsu, two pointers · first AC: May 1, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 4,668 global accepts · Tags: dfs and similar, divide and conquer, dp, dsu, trees · first AC: May 1, 2019 · C++17 (GCC 7-32) (first AC)