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Open on Codeforces · 735 unique accepted
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Quality: 1,782 global accepts · Tags: brute force, dp, hashing, string suffix structures, strings · first AC: Mar 21, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 1,227 global accepts · Tags: binary search, brute force, combinatorics, data structures, greedy, math, number theory, two pointers · first AC: Mar 18, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,114 global accepts · Tags: dfs and similar, dp, games, shortest paths, trees · first AC: Mar 8, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,824 global accepts · Tags: combinatorics, math, trees · first AC: Dec 27, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,275 global accepts · Tags: — · first AC: Apr 29, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,518 global accepts · Tags: combinatorics, dp, implementation · first AC: Apr 22, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,773 global accepts · Tags: brute force, constructive algorithms, geometry, interactive, math · first AC: Apr 22, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,602 global accepts · Tags: combinatorics, dp, number theory · first AC: Mar 28, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 926 global accepts · Tags: — · first AC: Mar 4, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 3,544 global accepts · Tags: dfs and similar, dp, graphs, greedy, trees · first AC: Jan 26, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,019 global accepts · Tags: combinatorics, constructive algorithms, greedy, hashing, math · first AC: Nov 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,372 global accepts · Tags: combinatorics, dp, implementation, math · first AC: Nov 23, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,891 global accepts · Tags: constructive algorithms, data structures, dp, greedy · first AC: Oct 16, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 672 global accepts · Tags: dp, graph matchings, greedy · first AC: Oct 16, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,061 global accepts · Tags: data structures · first AC: Oct 14, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,192 global accepts · Tags: data structures, dp, dsu, greedy, implementation, matrices, sortings · first AC: Sep 27, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 4,859 global accepts · Tags: brute force, math, number theory · first AC: Sep 26, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,283 global accepts · Tags: binary search, brute force, data structures, divide and conquer, greedy · first AC: Aug 10, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 2,778 global accepts · Tags: brute force, greedy, implementation, math, sortings · first AC: Jul 28, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,257 global accepts · Tags: brute force, combinatorics, dp, math · first AC: Dec 23, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 2,355 global accepts · Tags: constructive algorithms, dfs and similar, graphs, greedy · first AC: Apr 9, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 2,245 global accepts · Tags: bitmasks, brute force, greedy · first AC: Dec 27, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 1,743 global accepts · Tags: greedy · first AC: Nov 3, 2021 · C++17 (GCC 7-32) (first AC)
Tags: constructive algorithms, dfs and similar, dsu, graph matchings, graphs, greedy, trees · first AC: Oct 17, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 1,373 global accepts · Tags: data structures, dfs and similar, dsu, games, graphs, greedy, trees · first AC: Jan 29, 2026 · C++23 (GCC 14-64, msys2) (first AC)