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Open on Codeforces · 449 unique accepted
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Quality: 2,719 global accepts · Tags: bitmasks, constructive algorithms, greedy, math · first AC: Jan 29, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 2,768 global accepts · Tags: combinatorics, math · first AC: Nov 20, 2022 · C++14 (GCC 6-32) (first AC)
Quality: 996 global accepts · Tags: *special · first AC: Jun 6, 2019 · GNU C++11 (first AC)
Quality: 632 global accepts · Tags: dfs and similar · 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 31, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 3,124 global accepts · Tags: graphs · first AC: Jul 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,090 global accepts · Tags: combinatorics, dp · first AC: Dec 3, 2023 · C++17 (GCC 9-64) (first AC)
Quality: 2,428 global accepts · Tags: data structures, greedy, math · first AC: Jun 14, 2023 · last AC: Jun 15, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 2,043 global accepts · Tags: constructive algorithms, greedy, trees · first AC: Jun 14, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 3,862 global accepts · Tags: constructive algorithms, dfs and similar, math, trees · first AC: Oct 22, 2022 · C++14 (GCC 6-32) (first AC)
Quality: 3,500 global accepts · Tags: implementation, math, number theory · first AC: Jul 8, 2022 · C++14 (GCC 6-32) (first AC)
Quality: 2,119 global accepts · Tags: binary search, bitmasks, brute force, data structures, greedy · first AC: Oct 9, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,953 global accepts · Tags: binary search, data structures · first AC: Jul 4, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,353 global accepts · Tags: constructive algorithms, greedy, strings · first AC: Apr 27, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 3,362 global accepts · Tags: combinatorics, dfs and similar, math, probabilities, trees · first AC: May 10, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 1,803 global accepts · Tags: data structures, dp, matrices, probabilities · first AC: Oct 17, 2022 · C++14 (GCC 6-32) (first AC)
Quality: 918 global accepts · Tags: combinatorics, divide and conquer, dp, math · first AC: Apr 25, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 423 global accepts · Tags: fft, number theory · first AC: Mar 8, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 6,142 global accepts · Tags: bitmasks, combinatorics, dp · first AC: Dec 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 8,918 global accepts · Tags: data structures, dfs and similar, trees · first AC: Dec 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,292 global accepts · Tags: brute force, constructive algorithms, divide and conquer, math, ternary search · first AC: Dec 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 3,360 global accepts · Tags: data structures · first AC: May 8, 2024 · C++14 (GCC 6-32) (first AC)
Quality: 2,536 global accepts · Tags: brute force, dfs and similar, dsu, graphs · first AC: Nov 22, 2023 · C++17 (GCC 9-64) (first AC)
Quality: 1,488 global accepts · Tags: binary search, flows, graphs · first AC: Nov 3, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 8,023 global accepts · Tags: constructive algorithms, data structures, greedy · first AC: Nov 3, 2023 · last AC: Nov 3, 2023 · C++14 (GCC 6-32) (first AC)