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Open on Codeforces · 884 unique accepted
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Quality: 755 global accepts · Tags: 2-sat, dfs and similar, dsu, graphs, trees · first AC: Nov 8, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 1,316 global accepts · Tags: combinatorics, dp, math, trees · first AC: Apr 8, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 769 global accepts · Tags: brute force · first AC: Feb 26, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 630 global accepts · Tags: constructive algorithms, dfs and similar, graphs · first AC: Jan 15, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 348 global accepts · Tags: combinatorics, dp, implementation, math · first AC: Jan 4, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 4,117 global accepts · Tags: data structures, dp, geometry · first AC: Dec 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 637 global accepts · Tags: bitmasks, combinatorics, communication, interactive · first AC: Nov 10, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 565 global accepts · Tags: brute force, combinatorics, constructive algorithms, implementation, math · first AC: Oct 19, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,015 global accepts · Tags: combinatorics, dp, fft, math · first AC: Sep 27, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 752 global accepts · Tags: combinatorics, dp, math · first AC: Sep 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 941 global accepts · Tags: brute force, combinatorics · first AC: Sep 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,473 global accepts · Tags: data structures, string suffix structures, strings · first AC: Jul 6, 2025 · last AC: Jul 7, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 829 global accepts · Tags: divide and conquer, dp · first AC: Jun 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 350 global accepts · Tags: *special, binary search, constructive algorithms, interactive · first AC: Oct 14, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 928 global accepts · Tags: constructive algorithms, flows, graph matchings · first AC: Feb 19, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 2,187 global accepts · Tags: brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees · first AC: Apr 15, 2026 · last AC: Apr 15, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 411 global accepts · Tags: bitmasks, brute force, constructive algorithms, dfs and similar, divide and conquer, dp, greedy, interactive, math, probabilities · first AC: Feb 23, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 2,918 global accepts · Tags: data structures, divide and conquer, dp, greedy · first AC: Jan 28, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 350 global accepts · Tags: combinatorics, data structures, dfs and similar, dp, trees · first AC: Dec 29, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 594 global accepts · Tags: bitmasks, data structures, dp, hashing, probabilities · first AC: Dec 28, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,578 global accepts · Tags: combinatorics, dp, math, probabilities · first AC: Nov 15, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 478 global accepts · Tags: combinatorics, graphs, trees · first AC: Nov 13, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 666 global accepts · Tags: combinatorics, data structures, greedy · first AC: Sep 23, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 570 global accepts · Tags: combinatorics, dp · first AC: Jul 8, 2025 · last AC: Jul 8, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 640 global accepts · Tags: data structures, divide and conquer · first AC: Jul 20, 2024 · C++20 (GCC 13-64) (first AC)