zzzengcheng

UID: 11122, Registered at 10 months ago, last login at 2 months ago, currently offline.

Solved 13 problems, RP: 13 (No. 255)

This person is lazy and didn't write anything.

P1552

P1553

P1554

This person is lazy and didn't join any contests or homework.

This person is lazy and didn't write any solutions.

数据结构: 2
模拟: 2
双端队列: 1