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Open on Codeforces · 614 unique accepted
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Quality: 2,898 global accepts · Tags: bitmasks, combinatorics, math · first AC: Mar 28, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 3,960 global accepts · Tags: combinatorics, dp, greedy, math, number theory · first AC: Jan 23, 2026 · C++20 (GCC 13-64) (first AC)
Tags: dp, greedy · first AC: Dec 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 4,764 global accepts · Tags: constructive algorithms, dfs and similar, graphs, trees, two pointers · first AC: Oct 21, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,527 global accepts · Tags: dfs and similar, dp, greedy, trees · first AC: Apr 3, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 4,220 global accepts · Tags: geometry, greedy, implementation, sortings, two pointers · first AC: Mar 31, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,977 global accepts · Tags: math · first AC: Mar 23, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 2,990 global accepts · Tags: data structures, implementation, sortings · first AC: Mar 23, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 6,237 global accepts · Tags: binary search, data structures, dfs and similar, graphs, greedy, trees · first AC: Mar 17, 2024 · last AC: Mar 17, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 6,086 global accepts · Tags: 2-sat, bitmasks, graphs, greedy · first AC: Mar 17, 2024 · last AC: Mar 17, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,829 global accepts · Tags: — · first AC: Mar 6, 2024 · last AC: Mar 6, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 5,380 global accepts · Tags: constructive algorithms, hashing, implementation, math · first AC: Jul 31, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 6,136 global accepts · Tags: brute force, dp, math · first AC: Mar 17, 2024 · C++17 (GCC 7-32) (first AC)
Tags: data structures, graph matchings, greedy, implementation · first AC: Aug 18, 2020 · GNU C++11 (first AC)
Quality: 2,080 global accepts · Tags: constructive algorithms, dfs and similar, graph matchings, graphs, greedy, strings · first AC: Feb 21, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 2,309 global accepts · Tags: brute force, data structures, dp, dsu, greedy, implementation, two pointers · first AC: Oct 17, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,877 global accepts · Tags: binary search, data structures, dfs and similar, implementation, trees · first AC: May 25, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,438 global accepts · Tags: combinatorics, divide and conquer, math · first AC: Mar 23, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 4,321 global accepts · Tags: data structures, dp · first AC: Mar 15, 2024 · last AC: Mar 15, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,598 global accepts · Tags: — · first AC: Mar 6, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 1,582 global accepts · Tags: constructive algorithms, dp, shortest paths, trees · first AC: Apr 13, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,775 global accepts · Tags: brute force, dp, hashing, string suffix structures, strings · first AC: Mar 21, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 4,857 global accepts · Tags: brute force, math, number theory · first AC: Mar 15, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,719 global accepts · Tags: data structures, greedy, sortings, strings, two pointers · first AC: Mar 15, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 4,476 global accepts · Tags: combinatorics, dp, math · first AC: Mar 15, 2026 · C++23 (GCC 14-64, msys2) (first AC)