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Open on Codeforces · 690 unique accepted
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Quality: 4,334 global accepts · Tags: constructive algorithms, interactive, number theory · first AC: Dec 16, 2022 · PyPy 3-64 (first AC)
Quality: 2,767 global accepts · Tags: combinatorics, math · first AC: Dec 7, 2022 · PyPy 3-64 (first AC)
Quality: 3,251 global accepts · Tags: bitmasks, chinese remainder theorem, combinatorics, constructive algorithms, math, number theory · first AC: Nov 12, 2022 · PyPy 3-64 (first AC)
Quality: 3,240 global accepts · Tags: constructive algorithms, number theory · first AC: Sep 23, 2022 · PyPy 3-64 (first AC)
Quality: 627 global accepts · Tags: bitmasks, brute force, communication, constructive algorithms, graphs, interactive, trees · first AC: Apr 15, 2026 · PyPy 3-64 (first AC)
Quality: 2,111 global accepts · Tags: dfs and similar, dp, games, shortest paths, trees · first AC: Mar 8, 2026 · PyPy 3-64 (first AC)
Quality: 1,824 global accepts · Tags: combinatorics, math, trees · first AC: Dec 27, 2025 · PyPy 3-64 (first AC)
Quality: 2,264 global accepts · Tags: binary search, brute force, data structures, greedy, ternary search, two pointers · first AC: May 12, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 3,544 global accepts · Tags: dfs and similar, dp, graphs, greedy, trees · first AC: Jan 26, 2025 · PyPy 3-64 (first AC)
Quality: 2,019 global accepts · Tags: combinatorics, constructive algorithms, greedy, hashing, math · first AC: Nov 30, 2024 · PyPy 3-64 (first AC)
Quality: 2,372 global accepts · Tags: combinatorics, dp, implementation, math · first AC: Nov 26, 2024 · PyPy 3-64 (first AC)
Quality: 4,478 global accepts · Tags: binary search, dp, greedy · first AC: Aug 5, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,778 global accepts · Tags: brute force, greedy, implementation, math, sortings · first AC: Jul 29, 2024 · last AC: Jul 29, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,257 global accepts · Tags: brute force, combinatorics, dp, math · first AC: Dec 23, 2023 · PyPy 3-64 (first AC)
Quality: 2,597 global accepts · Tags: binary search, data structures, greedy, implementation, math, sortings · first AC: Aug 26, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 2,520 global accepts · Tags: combinatorics, trees · first AC: May 25, 2023 · PyPy 3-64 (first AC)
Quality: 2,536 global accepts · Tags: brute force, combinatorics, dp · first AC: May 12, 2023 · PyPy 3-64 (first AC)
Quality: 2,355 global accepts · Tags: constructive algorithms, dfs and similar, graphs, greedy · first AC: Apr 9, 2023 · PyPy 3-64 (first AC)
Quality: 1,599 global accepts · Tags: combinatorics, divide and conquer, dp · first AC: Mar 30, 2023 · PyPy 3-64 (first AC)
Quality: 3,861 global accepts · Tags: constructive algorithms, dfs and similar, math, trees · first AC: Mar 24, 2023 · PyPy 3-64 (first AC)
Quality: 1,931 global accepts · Tags: bitmasks, brute force, constructive algorithms, implementation · first AC: Feb 25, 2023 · last AC: Feb 25, 2023 · PyPy 3-64 (first AC)
Quality: 2,780 global accepts · Tags: constructive algorithms, geometry, greedy, implementation, strings · first AC: Feb 15, 2023 · PyPy 3-64 (first AC)
Quality: 3,291 global accepts · Tags: data structures, dfs and similar, dp · first AC: Feb 10, 2023 · PyPy 3-64 (first AC)
Quality: 1,291 global accepts · Tags: greedy, implementation, interactive, sortings, two pointers · first AC: Jan 17, 2026 · PyPy 3-64 (first AC)
Quality: 1,580 global accepts · Tags: data structures, dfs and similar, dsu, graphs, greedy · first AC: Nov 12, 2025 · C++23 (GCC 14-64, msys2) (first AC)