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Open on Codeforces · 974 unique accepted
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Quality: 1,787 global accepts · Tags: chinese remainder theorem, fft, math · first AC: Apr 23, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 640 global accepts · Tags: constructive algorithms, data structures, dsu, graphs · first AC: Feb 26, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,045 global accepts · Tags: dfs and similar, dp, graphs, greedy, implementation, trees · first AC: Jan 25, 2026 · 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: Nov 23, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 782 global accepts · Tags: combinatorics, implementation, math · first AC: Oct 30, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,004 global accepts · Tags: dfs and similar, graphs, greedy, shortest paths · first AC: Aug 25, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,024 global accepts · Tags: chinese remainder theorem, geometry, implementation, math, number theory · first AC: Apr 26, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,793 global accepts · Tags: binary search, combinatorics, dp, implementation, math, two pointers · first AC: Apr 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 563 global accepts · Tags: — · first AC: Apr 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,665 global accepts · Tags: bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy, math · first AC: Apr 3, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 508 global accepts · Tags: brute force, dfs and similar, number theory · first AC: Feb 20, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,400 global accepts · Tags: constructive algorithms, data structures, greedy, implementation, math · first AC: Nov 1, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,814 global accepts · Tags: dp, greedy, trees · first AC: Jun 9, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 2,256 global accepts · Tags: brute force, interactive, math · first AC: May 23, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,728 global accepts · Tags: data structures, graphs, greedy, implementation, shortest paths, sortings · first AC: Feb 29, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,680 global accepts · Tags: bitmasks, brute force, constructive algorithms, math, number theory · first AC: Dec 23, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 1,480 global accepts · Tags: data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees · first AC: Dec 4, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 2,284 global accepts · Tags: binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers · first AC: Oct 22, 2023 · last AC: Oct 28, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 1,392 global accepts · Tags: bitmasks, brute force, dfs and similar, dp, graphs, shortest paths · first AC: Sep 30, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 1,375 global accepts · Tags: combinatorics, dp, implementation, math, trees · first AC: Sep 10, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 1,381 global accepts · Tags: constructive algorithms, dsu, graphs, greedy, interactive, shortest paths, trees · first AC: Sep 30, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 2,631 global accepts · Tags: combinatorics, dp, games, math · first AC: Jan 22, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 10,843 global accepts · Tags: data structures, divide and conquer, trees · first AC: Aug 26, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 1,953 global accepts · Tags: binary search, bitmasks, data structures · first AC: Aug 25, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 2,640 global accepts · Tags: data structures, geometry, implementation, sortings · first AC: Aug 21, 2020 · C++17 (GCC 7-32) (first AC)