xia

UID: 12196, Registered at 7 months ago, last login at 5 months ago, currently offline.

Solved 7 problems, RP: 13 (No. 255)

This person is lazy and didn't write anything.

P1556

P1590

P1544

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: 1