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Open on Codeforces · 421 unique accepted
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Quality: 451 global accepts · Tags: constructive algorithms, greedy, math · first AC: May 2, 2024 · last AC: May 2, 2024 · C++14 (GCC 6-32) (first AC)
Quality: 716 global accepts · Tags: brute force, data structures, hashing · first AC: Aug 2, 2023 · last AC: Aug 2, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 146 global accepts · Tags: flows, graphs, greedy · first AC: Jan 6, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,211 global accepts · Tags: data structures, trees · first AC: Nov 13, 2023 · last AC: Nov 13, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 326 global accepts · Tags: brute force, data structures, dp · first AC: Mar 2, 2026 · last AC: Mar 2, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 317 global accepts · Tags: constructive algorithms, fft, math · first AC: Sep 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 445 global accepts · Tags: data structures, dp · first AC: Dec 8, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 246 global accepts · Tags: divide and conquer, dp, trees · first AC: Aug 13, 2024 · C++14 (GCC 6-32) (first AC)
Quality: 1,097 global accepts · Tags: constructive algorithms, number theory · first AC: Oct 16, 2023 · last AC: Oct 16, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 241 global accepts · Tags: constructive algorithms, trees · first AC: Jul 16, 2023 · last AC: Jul 16, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 1,560 global accepts · Tags: *special, data structures, dfs and similar, divide and conquer, trees · first AC: Dec 26, 2025 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Nov 8, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 594 global accepts · Tags: *special · first AC: Jun 21, 2024 · C++14 (GCC 6-32) (first AC)
Quality: 1,371 global accepts · Tags: *special · first AC: Apr 18, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 4,304 global accepts · Tags: *special, constructive algorithms, geometry, math · first AC: Apr 17, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 4,901 global accepts · Tags: *special, constructive algorithms, math, number theory · first AC: Apr 16, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 6,059 global accepts · Tags: *special, brute force, implementation · first AC: Apr 14, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 6,291 global accepts · Tags: *special, constructive algorithms, strings · first AC: Apr 6, 2023 · Mysterious Language (first AC)
Quality: 14,337 global accepts · Tags: *special, expression parsing, strings · first AC: Apr 4, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 3,213 global accepts · Tags: *special, bitmasks · first AC: Feb 20, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 7,160 global accepts · Tags: *special, math, number theory · first AC: Feb 19, 2023 · C++14 (GCC 6-32) (first AC)