Codeforces 1238D - AB-string

Nice! 62 posts in total. Keep on posting.

201947

10-10

Codeforces 1238D - AB-string

09-19

Codeforces 86D - Powerful array

09-16

计蒜客 41399 - Light bulbs

09-13

HDU 6534 - Chika and Friendly Pairs

09-13

BZOJ 2038 - 小Z的袜子

09-13

Codeforce 1217E - Sum Queries

09-07

Codeforces 1217D - Coloring Edges

09-07

计蒜客41384 - so easy

09-07

计蒜客41387 - XKC's basketball team

09-04

快速傅立叶变换（FFT）学习笔记