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全部文章 / codeforces （共323篇）

[Hello 2020] D. New Year and Conference (ST表，排序)

[Hello 2020] D. New Year and Conference (ST表，排序) D. New Year and Conference time limit per test 2 seconds memory limit per test 1024 megabytes i...

2020-02-02

0 606

[Hello 2020] D. New Year and Conference (ST表，排序) 来自专栏

[Hello 2020] D. New Year and Conference (ST表，排序) D. New Year and Conference time limit per test 2 seconds memory limit per test 1024 megabytes i...

2020-02-02

0 652

[Hello 2020] C. New Year and Permutation (组合数学)

[Hello 2020] C. New Year and Permutation (组合数学) C. New Year and Permutation time limit per test 1 second memory limit per test 1024 megabytes in...

2020-02-01

0 316

[Hello 2020] C. New Year and Permutation (组合数学) 来自专栏

[Hello 2020] C. New Year and Permutation (组合数学) C. New Year and Permutation time limit per test 1 second memory limit per test 1024 megabytes in...

2020-02-01

0 606

[Educational Codeforces Round 81 (Rated for Div. 2)]E. Permutation Separation（线段树，思维，前缀和）

[Educational Codeforces Round 81 (Rated for Div. 2)]E. Permutation Separation（线段树，思维，前缀和） E. Permutation Separation time limit per test 2 seconds ...

2020-02-01

0 446

[Educational Codeforces Round 81 (Rated for Div. 2)]E. Permutation Separation（线段树，思维，前缀和）来自专栏

[Educational Codeforces Round 81 (Rated for Div. 2)]E. Permutation Separation（线段树，思维，前缀和） E. Permutation Separation time limit per test 2 seconds ...

2020-02-01

0 455

Educational Codeforces Round 81 (Rated for Div. 2)] D. Same GCDs (数论，因子分解，容斥定理)

[Educational Codeforces Round 81 (Rated for Div. 2)] D. Same GCDs (数论，因子分解，容斥定理) D. Same GCDs time limit per test 2 seconds memory limit per test ...

2020-01-31

0 415

Educational Codeforces Round 81 (Rated for Div. 2)] D. Same GCDs (数论，因子分解，容斥定理) 来自专栏

[Educational Codeforces Round 81 (Rated for Div. 2)] D. Same GCDs (数论，因子分解，容斥定理) D. Same GCDs time limit per test 2 seconds memory limit per test ...

2020-01-31

0 562

Educational Codeforces Round 81 (Rated for Div. 2) C. Obtain The String(序列自动机，贪心)

[Educational Codeforces Round 81 (Rated for Div. 2) C. Obtain The String(序列自动机，贪心) C. Obtain The String time limit per test 1 second memory limit ...

2020-01-30

0 335

Educational Codeforces Round 81 (Rated for Div. 2) C. Obtain The String(序列自动机，贪心) 来自专栏

[Educational Codeforces Round 81 (Rated for Div. 2) C. Obtain The String(序列自动机，贪心) C. Obtain The String time limit per test 1 second memory limit ...

2020-01-30

0 692