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快速排序模板

Oct 7

线段树模板题

Aug 22

Kick Start 2020 Round D

Aug 15

辗转相除法的一个奇妙的题

Jul 31

Leetcode 1531. String Compression II

Jul 17

Codeforces Round #654 (Div. 2) F. Raging Thunder

Jul 14

Codeforces Round #654 (Div. 2) E. Asterism

Jul 9

Codeforces Global Round 9 D. Replace by MEX