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Open on Codeforces · 419 unique accepted
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Quality: 4,764 global accepts · Tags: constructive algorithms, dfs and similar, graphs, trees, two pointers · first AC: Oct 19, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 2,076 global accepts · Tags: binary search, constructive algorithms, data structures, graphs, greedy, sortings · first AC: Apr 7, 2026 · PyPy 3-64 (first AC)
Quality: 2,522 global accepts · Tags: combinatorics, dfs and similar, dp, graphs, interactive · first AC: Mar 23, 2026 · PyPy 3-64 (first AC)
Quality: 2,707 global accepts · Tags: dp, graphs, greedy, math, sortings · first AC: Mar 11, 2026 · PyPy 3-64 (first AC)
Quality: 149 global accepts · Tags: *special, combinatorics, math · first AC: Mar 2, 2026 · Kotlin 1.7 (first AC)
Quality: 3,774 global accepts · Tags: bitmasks, brute force, data structures, dfs and similar, dp, math · first AC: Feb 24, 2026 · PyPy 3-64 (first AC)
Quality: 1,995 global accepts · Tags: combinatorics, dp, greedy · first AC: Feb 23, 2026 · PyPy 3-64 (first AC)
Quality: 5,826 global accepts · Tags: bitmasks, brute force, dp, graphs, math · first AC: Feb 20, 2026 · PyPy 3-64 (first AC)
Quality: 5,311 global accepts · Tags: data structures, graph matchings, greedy · first AC: Feb 19, 2026 · PyPy 3-64 (first AC)
Quality: 5,608 global accepts · Tags: combinatorics, constructive algorithms, math · first AC: Feb 18, 2026 · PyPy 3-64 (first AC)
Quality: 4,307 global accepts · Tags: brute force, data structures, dfs and similar, graphs, implementation, trees · first AC: Feb 17, 2026 · PyPy 3-64 (first AC)
Quality: 5,506 global accepts · Tags: binary search, brute force, dfs and similar, dp, math, number theory, sortings · first AC: Feb 17, 2026 · PyPy 3-64 (first AC)
Quality: 3,899 global accepts · Tags: binary search, bitmasks, combinatorics, dfs and similar, dsu, graphs, math · first AC: Feb 16, 2026 · PyPy 3-64 (first AC)
Quality: 3,370 global accepts · Tags: bitmasks, brute force, dfs and similar, dp, fft, trees · first AC: Feb 15, 2026 · PyPy 3-64 (first AC)
Quality: 4,891 global accepts · Tags: data structures, greedy, sortings · first AC: Feb 14, 2026 · PyPy 3-64 (first AC)
Quality: 4,035 global accepts · Tags: bitmasks, constructive algorithms, divide and conquer, greedy · first AC: Feb 13, 2026 · PyPy 3-64 (first AC)
Quality: 2,617 global accepts · Tags: dp, graphs, greedy, implementation · first AC: Feb 11, 2026 · PyPy 3-64 (first AC)
Quality: 3,687 global accepts · Tags: binary search, divide and conquer, interactive · first AC: Dec 27, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 2,751 global accepts · Tags: communication, constructive algorithms, graphs, interactive, number theory, trees · first AC: Dec 24, 2025 · PyPy 3-64 (first AC)
Quality: 2,326 global accepts · Tags: bitmasks, combinatorics, greedy, math · first AC: Dec 3, 2025 · PyPy 3-64 (first AC)
Quality: 3,655 global accepts · Tags: constructive algorithms, greedy, number theory · first AC: Dec 1, 2025 · PyPy 3-64 (first AC)
Quality: 3,285 global accepts · Tags: brute force, constructive algorithms, graphs, implementation, shortest paths, strings · first AC: Nov 29, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 5,511 global accepts · Tags: greedy, math, number theory · first AC: Nov 29, 2025 · Python 3 (first AC)
Quality: 3,531 global accepts · Tags: bitmasks, greedy, math · first AC: Nov 16, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 2,156 global accepts · Tags: dp, greedy, number theory · first AC: Apr 2, 2026 · PyPy 3-64 (first AC)