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Open on Codeforces · 1,221 unique accepted
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Quality: 6,396 global accepts · Tags: combinatorics, data structures, dp, greedy, two pointers · first AC: Jan 9, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 5,568 global accepts · Tags: binary search, data structures, greedy, sortings, two pointers · first AC: Jan 5, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 2,137 global accepts · Tags: greedy, sortings · first AC: Nov 16, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 6,199 global accepts · Tags: combinatorics, dfs and similar, graphs, trees · first AC: Aug 14, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 6,830 global accepts · Tags: brute force, data structures, divide and conquer, greedy, sortings · first AC: May 12, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 2,222 global accepts · Tags: brute force, dfs and similar, graphs, implementation · first AC: Dec 1, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 4,969 global accepts · Tags: bitmasks, brute force, math, number theory · first AC: Nov 23, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 5,829 global accepts · Tags: binary search, data structures, divide and conquer, greedy, implementation, math · first AC: Oct 27, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 4,358 global accepts · Tags: brute force, data structures, dfs and similar, dsu, math, trees · first AC: Aug 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 8,124 global accepts · Tags: bitmasks, constructive algorithms, greedy, number theory · first AC: Apr 27, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 8,082 global accepts · Tags: combinatorics, dp, math, sortings · first AC: Apr 12, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 2,755 global accepts · Tags: dfs and similar, geometry, graph matchings, graphs · first AC: Mar 24, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 4,855 global accepts · Tags: brute force, dp, greedy, strings · first AC: Feb 17, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 4,206 global accepts · Tags: bitmasks, combinatorics, dp · first AC: Dec 13, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 8,031 global accepts · Tags: greedy, implementation, sortings · first AC: Sep 18, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 5,461 global accepts · Tags: constructive algorithms, graphs, greedy, math, sortings, two pointers · first AC: Jul 23, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 9,242 global accepts · Tags: binary search, math, number theory · first AC: Jul 23, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 6,008 global accepts · Tags: combinatorics, math, probabilities, trees · first AC: May 8, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 7,549 global accepts · Tags: data structures, greedy, sortings · first AC: Mar 9, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 5,077 global accepts · Tags: constructive algorithms, data structures, dfs and similar, dp, greedy, trees · first AC: Oct 29, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 6,486 global accepts · Tags: binary search, constructive algorithms, data structures, greedy, two pointers · first AC: Jan 27, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 10,434 global accepts · Tags: binary search, brute force, data structures, dp, graphs, implementation, sortings · first AC: Sep 18, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 9,510 global accepts · Tags: brute force, hashing, implementation, math · first AC: Mar 13, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 8,286 global accepts · Tags: bitmasks, constructive algorithms, dp, greedy, math · first AC: Feb 28, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 3,573 global accepts · Tags: binary search, brute force, data structures, dp, dsu, greedy, implementation, sortings · first AC: Jan 2, 2026 · C++20 (GCC 13-64) (first AC)