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Open on Codeforces · 2,161 unique accepted
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Quality: 1,914 global accepts · Tags: brute force, greedy, math, number theory · first AC: Oct 26, 2025 · C++20 (GCC 13-64) (first AC)
Tags: bitmasks, dp, math, probabilities · first AC: Oct 25, 2025 · C++20 (GCC 13-64) (first AC)
Tags: combinatorics, dp, games · first AC: Oct 22, 2025 · last AC: Oct 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,922 global accepts · Tags: constructive algorithms, greedy, math, strings · first AC: Sep 17, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,680 global accepts · Tags: bitmasks, brute force, constructive algorithms, math, number theory · first AC: Sep 11, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,073 global accepts · Tags: constructive algorithms, dfs and similar, graphs, shortest paths · first AC: Sep 11, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 3,551 global accepts · Tags: divide and conquer, dp, fft, math · first AC: Sep 10, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 914 global accepts · Tags: dfs and similar, graphs, hashing · first AC: Aug 26, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,426 global accepts · Tags: brute force, constructive algorithms, greedy, math · first AC: Jun 11, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 6,141 global accepts · Tags: bitmasks, combinatorics, dp · first AC: Apr 27, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,047 global accepts · Tags: greedy, implementation, sortings · first AC: Apr 19, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,177 global accepts · Tags: binary search, data structures, dp, greedy, implementation, two pointers · first AC: Apr 9, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,665 global accepts · Tags: bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy, math · first AC: Apr 3, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 10,842 global accepts · Tags: data structures, divide and conquer, trees · first AC: Mar 14, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,549 global accepts · Tags: combinatorics, data structures, dfs and similar, dp, dsu, graphs, hashing, implementation, math, trees · first AC: Jan 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,580 global accepts · Tags: data structures, dfs and similar, dsu, graphs, number theory, two pointers · first AC: Jan 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,668 global accepts · Tags: binary search, data structures, greedy, implementation · first AC: Dec 27, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 4,522 global accepts · Tags: binary search, data structures, dfs and similar, dp, sortings · first AC: Dec 5, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 8,918 global accepts · Tags: data structures, dfs and similar, trees · first AC: Sep 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,543 global accepts · Tags: combinatorics, dp, math, trees · first AC: Aug 20, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,345 global accepts · Tags: binary search, constructive algorithms, greedy, implementation, math · first AC: Jul 3, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,256 global accepts · Tags: brute force, interactive, math · first AC: May 17, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,624 global accepts · Tags: brute force, combinatorics, dp, math, number theory · first AC: Apr 27, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,017 global accepts · Tags: data structures, implementation, math, matrices, number theory · first AC: Dec 21, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 1,550 global accepts · Tags: binary search, bitmasks, data structures, hashing, probabilities, strings, trees · first AC: Dec 18, 2025 · C++20 (GCC 13-64) (first AC)