codefun2000###

UID: 12240, Registered at 11 months ago, last login at 10 months ago, currently offline.

Solved 22 problems, RP: 33 (No. 142)

This person is lazy and didn't write anything.

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

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

模拟: 4
其他: 2
排序: 2
DFS: 2
BFS: 2
拓扑排序: 1