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Open on Codeforces · 1,374 unique accepted
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Quality: 572 global accepts · Tags: constructive algorithms, divide and conquer · first AC: Feb 2, 2015 · Java 8 (first AC)
Quality: 1,135 global accepts · Tags: dp, trees · first AC: Feb 2, 2015 · Java 8 (first AC)
Quality: 247 global accepts · Tags: brute force, geometry, math · first AC: Dec 17, 2014 · Java 8 (first AC)
Quality: 317 global accepts · Tags: dp, matrices · first AC: Dec 17, 2014 · Java 8 (first AC)
Quality: 242 global accepts · Tags: data structures, implementation, trees · first AC: Mar 16, 2014 · Java 7 (first AC)
Quality: 2,509 global accepts · Tags: brute force, math, probabilities · first AC: Nov 19, 2013 · Java 7 (first AC)
Quality: 911 global accepts · Tags: brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees · first AC: Sep 15, 2013 · Java 7 (first AC)
Quality: 579 global accepts · Tags: dsu · first AC: Jul 13, 2013 · Java 7 (first AC)
Quality: 273 global accepts · Tags: bitmasks, brute force, combinatorics, dfs and similar, math · first AC: Aug 18, 2012 · Java 6 (first AC)
Quality: 608 global accepts · Tags: data structures · first AC: Jun 3, 2012 · Java 6 (first AC)
Quality: 406 global accepts · Tags: brute force, math, matrices · first AC: Jun 3, 2012 · Java 6 (first AC)
Quality: 160 global accepts · Tags: math · first AC: Apr 30, 2011 · Java 6 (first AC)
Quality: 107 global accepts · Tags: brute force, geometry · first AC: Apr 10, 2011 · Java 6 (first AC)
Quality: 347 global accepts · Tags: combinatorics, graphs, trees · first AC: Oct 30, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 203 global accepts · Tags: constructive algorithms, graphs, implementation, shortest paths, trees · first AC: Sep 24, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 728 global accepts · Tags: constructive algorithms, dfs and similar, math · first AC: Jan 4, 2025 · last AC: Jan 4, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 652 global accepts · Tags: hashing, strings · first AC: Dec 23, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 914 global accepts · Tags: brute force, dfs and similar, graphs, implementation, trees · first AC: Oct 28, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 652 global accepts · Tags: binary search, interactive, trees · first AC: Jul 29, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 526 global accepts · Tags: brute force, constructive algorithms, dp, greedy, math · first AC: Jul 29, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 655 global accepts · Tags: data structures · first AC: May 8, 2023 · last AC: May 8, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 891 global accepts · Tags: combinatorics, dfs and similar, dp, math, trees · first AC: Jul 16, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 813 global accepts · Tags: combinatorics, dp, fft, math · first AC: Apr 19, 2022 · C++17 (GCC 9-64) (first AC)
Quality: 620 global accepts · Tags: constructive algorithms, greedy, math · first AC: Feb 12, 2022 · C++17 (GCC 9-64) (first AC)
Quality: 1,237 global accepts · Tags: bitmasks, combinatorics, data structures, divide and conquer, dp, math · first AC: Dec 29, 2021 · C++17 (GCC 9-64) (first AC)