cheergo、

UID: 9243, Registered at 1 year ago, last login at 5 months ago, currently offline.

Solved 8 problems, RP: 22 (No. 197)

This person is lazy and didn't write anything.

P1524

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

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

模拟: 3
BFS: 2
其他: 1
排序: 1
DFS: 1