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Open on Codeforces · 1,374 unique accepted
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Quality: 599 global accepts · Tags: data structures, greedy, hashing, strings · first AC: Jun 12, 2012 · Java 6 (first AC)
Quality: 440 global accepts · Tags: binary search, dp, greedy · first AC: Apr 26, 2010 · Java 6 (first AC)
Quality: 423 global accepts · Tags: binary search, combinatorics, data structures, dfs and similar, dp, graphs, math, trees · first AC: Nov 6, 2025 · last AC: Nov 26, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 610 global accepts · Tags: dfs and similar, dp, greedy · first AC: Oct 3, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 714 global accepts · Tags: data structures, implementation, math, matrices, trees · first AC: Oct 3, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 508 global accepts · Tags: constructive algorithms, data structures, greedy · first AC: Apr 5, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 498 global accepts · Tags: constructive algorithms, graphs, interactive · first AC: Jan 20, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 344 global accepts · Tags: divide and conquer, dp, trees · first AC: Jun 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 560 global accepts · Tags: binary search, math · first AC: Sep 18, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 809 global accepts · Tags: constructive algorithms, dfs and similar, dp, trees · first AC: Apr 19, 2022 · C++17 (GCC 9-64) (first AC)
Quality: 720 global accepts · Tags: brute force, graphs, math, matrices · first AC: Dec 29, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 598 global accepts · Tags: data structures, dp, greedy · first AC: Oct 25, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 601 global accepts · Tags: combinatorics, dp, trees · first AC: May 24, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 1,333 global accepts · Tags: binary search, bitmasks, brute force, data structures, probabilities, trees · first AC: Feb 7, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 680 global accepts · Tags: bitmasks, dfs and similar, dp, math, shortest paths · first AC: Aug 16, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 377 global accepts · Tags: dfs and similar, graphs · first AC: Dec 17, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 1,076 global accepts · Tags: greedy, number theory, probabilities · first AC: Jul 30, 2019 · Java 8 (first AC)
Quality: 605 global accepts · Tags: strings, trees · first AC: Nov 10, 2018 · Java 8 (first AC)
Quality: 517 global accepts · Tags: combinatorics, divide and conquer, trees · first AC: Jul 1, 2018 · Java 8 (first AC)
Tags: data structures, trees · first AC: Apr 29, 2018 · Java 8 (first AC)
Quality: 519 global accepts · Tags: data structures, dp, math · first AC: Mar 4, 2018 · Java 8 (first AC)
Tags: geometry · first AC: Nov 12, 2017 · Java 8 (first AC)
Quality: 648 global accepts · Tags: binary search, math · first AC: Jun 23, 2016 · Java 8 (first AC)
Quality: 343 global accepts · Tags: brute force, dfs and similar, graphs, implementation, math, probabilities · first AC: Jun 8, 2016 · Java 8 (first AC)
Quality: 464 global accepts · Tags: geometry, two pointers · first AC: Dec 30, 2015 · Java 7 (first AC)