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Open on Codeforces · 405 unique accepted
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Quality: 1,891 global accepts · Tags: data structures · first AC: Nov 11, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 2,266 global accepts · Tags: dp, greedy, math, number theory · first AC: May 22, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 1,557 global accepts · Tags: combinatorics, math · first AC: Jan 23, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 5,573 global accepts · Tags: data structures, implementation, sortings · first AC: Dec 31, 2022 · C++14 (GCC 6-32) (first AC)
Quality: 1,578 global accepts · Tags: brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees · first AC: Mar 18, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,890 global accepts · Tags: brute force, dp, greedy · first AC: Sep 4, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,315 global accepts · Tags: bitmasks, brute force, hashing, meet-in-the-middle · first AC: Sep 4, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,952 global accepts · Tags: binary search, data structures, greedy · first AC: Sep 4, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,237 global accepts · Tags: binary search, data structures, sortings · first AC: Sep 2, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,766 global accepts · Tags: brute force, string suffix structures, strings · first AC: Sep 29, 2022 · last AC: Aug 30, 2025 · C++14 (GCC 6-32) (first AC)
Quality: 1,219 global accepts · Tags: combinatorics, dp, number theory, probabilities, two pointers · first AC: Aug 27, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,359 global accepts · Tags: dp · first AC: Aug 26, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,067 global accepts · Tags: bitmasks, flows, graph matchings, graphs, greedy · first AC: Aug 19, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 1,581 global accepts · Tags: dfs and similar, graphs, trees · first AC: Aug 15, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 1,284 global accepts · Tags: brute force, divide and conquer, graphs, matrices, trees · first AC: Aug 2, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 1,588 global accepts · Tags: combinatorics, dfs and similar, dp, trees · first AC: Apr 22, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 460 global accepts · Tags: bitmasks, dp · first AC: Nov 16, 2024 · C++20 (GCC 13-64) (first AC)
Tags: matrices, number theory · first AC: Oct 23, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,450 global accepts · Tags: brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math · first AC: Oct 9, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,471 global accepts · Tags: binary search, data structures, dp, two pointers · first AC: Oct 8, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,866 global accepts · Tags: binary search, dp · first AC: Oct 8, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,631 global accepts · Tags: combinatorics, dp, games, math · first AC: Oct 8, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 972 global accepts · Tags: brute force, combinatorics, dp, math, probabilities · first AC: Oct 8, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 710 global accepts · Tags: dp, math · first AC: Sep 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,738 global accepts · Tags: dfs and similar, dsu, graphs, trees · first AC: Sep 30, 2024 · C++20 (GCC 13-64) (first AC)