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Open on Codeforces · 2,499 unique accepted
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Quality: 1,430 global accepts · Tags: combinatorics, dp, math · first AC: Feb 14, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 4,037 global accepts · Tags: dfs and similar, divide and conquer, dp, graphs, sortings, trees · first AC: Feb 3, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 227 global accepts · Tags: data structures, dfs and similar, dp, greedy, implementation, sortings, trees · first AC: Jan 26, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 594 global accepts · Tags: bitmasks, data structures, dp, hashing, probabilities · first AC: Jan 2, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 350 global accepts · Tags: combinatorics, data structures, dfs and similar, dp, trees · first AC: Dec 31, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 405 global accepts · Tags: combinatorics, dp, probabilities · first AC: Dec 26, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 411 global accepts · Tags: bitmasks, brute force, constructive algorithms, dfs and similar, divide and conquer, dp, greedy, interactive, math, probabilities · first AC: Nov 24, 2025 · last AC: Nov 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 637 global accepts · Tags: data structures, dfs and similar, dsu, graphs, meet-in-the-middle, trees · first AC: Oct 9, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 666 global accepts · Tags: combinatorics, data structures, greedy · first AC: Sep 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,065 global accepts · Tags: brute force, combinatorics, dp, math, probabilities · first AC: Aug 9, 2025 · last AC: Aug 9, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 655 global accepts · Tags: constructive algorithms, math · first AC: Sep 10, 2024 · last AC: Aug 5, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 637 global accepts · Tags: graphs, greedy, shortest paths · first AC: Jun 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 406 global accepts · Tags: dfs and similar, graphs, implementation, trees · first AC: Jun 20, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 507 global accepts · Tags: binary search, brute force, data structures, dp, greedy · first AC: Jun 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,226 global accepts · Tags: dp, greedy, sortings, trees · first AC: Apr 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 789 global accepts · Tags: data structures, dfs and similar, divide and conquer, dsu, graphs · first AC: Feb 19, 2025 · last AC: Feb 19, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 781 global accepts · Tags: data structures, number theory · first AC: Feb 10, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 481 global accepts · Tags: brute force, constructive algorithms, data structures, greedy, sortings · first AC: Jan 21, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 598 global accepts · Tags: combinatorics, dp, math, sortings · first AC: Dec 6, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 506 global accepts · Tags: combinatorics, dp, math, number theory · first AC: Nov 25, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 678 global accepts · Tags: data structures, dfs and similar, dp, dsu, graphs, greedy, math, trees · first AC: Oct 21, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 884 global accepts · Tags: data structures, strings, trees · first AC: Aug 28, 2024 · last AC: Aug 28, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 803 global accepts · Tags: brute force, data structures, dp, greedy, math, probabilities, two pointers · first AC: Aug 25, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,155 global accepts · Tags: graphs · first AC: Aug 25, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 544 global accepts · Tags: chinese remainder theorem, math, number theory · first AC: Aug 14, 2024 · C++20 (GCC 13-64) (first AC)