全部比赛Codeforces
Codeforces
5 题 · 0 已翻译
Codeforces Round 720 (Div. 2)
2021/05/07 22:35135 分钟1521
ANastia and Nearly Good NumbersNastia and Nearly Good Numbers
1000
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BNastia and a Good ArrayNastia and a Good Array1300
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CNastia and a Hidden PermutationNastia and a Hidden Permutation2000
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DNastia Plays with a TreeNastia Plays with a Tree2500
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ENastia and a Beautiful MatrixNastia and a Beautiful Matrix2700
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