derolol

UID: 11432, Registered at 8 months ago, last login at 2 months ago, currently offline.

Solved 27 problems, RP: 33 (No. 142)

This person is lazy and didn't write anything.

P1522

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

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

模拟: 10
数据结构: 2
双端队列: 1
前缀和: 1