倍增标签

2020

06-01

字符串[FJWC2020Day3]

05-28

挖宝[FJWC2020Day3]

03-25

首都城市[JOISC 2020 Day4]

03-23

星座3[JOISC 2020 Day3]

02-26

Codeforces Round 621[CF1307]

2019

12-27

Good Numbers[hdu6618]

12-25