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Open on Codeforces · 641 unique accepted
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Quality: 2,749 global accepts · Tags: 2-sat, dfs and similar, graphs · first AC: Apr 25, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 183 global accepts · Tags: *special, binary search, greedy · first AC: Mar 9, 2026 · Kotlin 1.7 (first AC)
Quality: 1,666 global accepts · Tags: constructive algorithms, greedy · first AC: Mar 8, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,083 global accepts · Tags: constructive algorithms, dfs and similar, graph matchings, graphs, greedy, strings · first AC: Feb 21, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 996 global accepts · Tags: *special · first AC: Jan 31, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,242 global accepts · Tags: dfs and similar, interactive, sortings, trees · first AC: Jan 28, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,499 global accepts · Tags: combinatorics, constructive algorithms, data structures, dfs and similar, greedy, implementation, trees · first AC: Jan 7, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,855 global accepts · Tags: dp, math, number theory · first AC: Jan 7, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,319 global accepts · Tags: combinatorics, data structures, dp · first AC: Nov 28, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,915 global accepts · Tags: constructive algorithms, greedy · first AC: Oct 18, 2025 · last AC: Oct 18, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,321 global accepts · Tags: brute force, data structures, dp, dsu, greedy, implementation, two pointers · first AC: Oct 13, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,779 global accepts · Tags: constructive algorithms, graphs, greedy, interactive, math · first AC: Oct 5, 2025 · last AC: Oct 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 2,666 global accepts · Tags: binary search, brute force, data structures, divide and conquer, probabilities · first AC: Sep 26, 2025 · last AC: Oct 3, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 3,712 global accepts · Tags: binary search, combinatorics, dp, math · first AC: Dec 16, 2019 · last AC: Dec 21, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 4,522 global accepts · Tags: data structures, dp, math, probabilities · first AC: Dec 13, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 2,142 global accepts · Tags: combinatorics, math · first AC: Dec 11, 2019 · last AC: Dec 13, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 3,420 global accepts · Tags: constructive algorithms, greedy, math, number theory, ternary search, two pointers · first AC: Dec 1, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 1,458 global accepts · Tags: binary search, data structures · first AC: Oct 20, 2018 · C++17 (GCC 7-32) (first AC)
Quality: 1,823 global accepts · Tags: combinatorics, data structures, greedy · first AC: Aug 27, 2018 · C++14 (GCC 6-32) (first AC)
Quality: 4,138 global accepts · Tags: brute force, dp, math, number theory, trees · first AC: Aug 19, 2018 · C++14 (GCC 6-32) (first AC)
Quality: 2,223 global accepts · Tags: constructive algorithms, interactive, matrices · first AC: Aug 17, 2018 · C++17 (GCC 7-32) (first AC)
Quality: 2,366 global accepts · Tags: 2-sat, dfs and similar, graphs, implementation · first AC: Oct 16, 2017 · C++14 (GCC 6-32) (first AC)
Tags: data structures · first AC: Sep 6, 2017 · C++14 (GCC 6-32) (first AC)
Quality: 2,111 global accepts · Tags: dfs and similar, dp, games, shortest paths, trees · first AC: Mar 8, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 631 global accepts · Tags: dfs and similar · first AC: Mar 8, 2026 · C++23 (GCC 14-64, msys2) (first AC)