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Open on Codeforces · 150 unique accepted
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Quality: 13,672 global accepts · Tags: math · first AC: Feb 15, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 28,447 global accepts · Tags: math, number theory · first AC: Feb 13, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 15,634 global accepts · Tags: hashing, math, number theory · first AC: Feb 13, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 10,902 global accepts · Tags: bitmasks, brute force, dp, math, number theory · first AC: Feb 8, 2026 · last AC: Feb 11, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 15,212 global accepts · Tags: dp, math, number theory, shortest paths · first AC: Feb 8, 2026 · last AC: Feb 10, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 10,659 global accepts · Tags: constructive algorithms, interactive · first AC: Mar 21, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 8,926 global accepts · Tags: constructive algorithms, dfs and similar, graph matchings, graphs · first AC: Mar 16, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 72,462 global accepts · Tags: binary search, brute force, implementation, two pointers · first AC: Feb 20, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 17,323 global accepts · Tags: constructive algorithms, math, number theory · first AC: Feb 13, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 13,838 global accepts · Tags: constructive algorithms, greedy, math, number theory, strings · first AC: Feb 13, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 13,033 global accepts · Tags: brute force, dp, hashing, implementation, math · first AC: Feb 13, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 7,742 global accepts · Tags: greedy, sortings · first AC: Feb 26, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 7,046 global accepts · Tags: binary search, bitmasks, greedy, math · first AC: Feb 25, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 8,559 global accepts · Tags: dfs and similar, dp, trees · first AC: Feb 15, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 16,846 global accepts · Tags: constructive algorithms, greedy · first AC: Feb 13, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 10,004 global accepts · Tags: bitmasks, math · first AC: Mar 28, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 5,819 global accepts · Tags: games, greedy, sortings · first AC: Mar 9, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 7,735 global accepts · Tags: brute force, dp, strings, two pointers · first AC: Mar 9, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 5,455 global accepts · Tags: data structures, divide and conquer, dp, math · first AC: Mar 8, 2026 · C++17 (GCC 7-32) (first AC)
Tags: brute force, data structures, divide and conquer, math, number theory · first AC: Feb 11, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 7,859 global accepts · Tags: constructive algorithms, greedy, implementation · first AC: Feb 9, 2026 · last AC: Feb 11, 2026 · Python 3 (first AC)
Quality: 8,466 global accepts · Tags: dp, greedy · first AC: Feb 8, 2026 · last AC: Feb 10, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 9,945 global accepts · Tags: constructive algorithms, math · first AC: Mar 28, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 5,015 global accepts · Tags: data structures, divide and conquer, implementation · first AC: Mar 13, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 4,925 global accepts · Tags: data structures, divide and conquer, dp, greedy, implementation, trees · first AC: Feb 26, 2026 · C++17 (GCC 7-32) (first AC)