b1bi

UID: 13027, Registered at 5 months ago, last login at 4 months ago, currently offline.

Solved 43 problems, RP: 26.92 (No. 177)

This person is lazy and didn't write anything.

P1580

P1533

P1531

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

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

动态规划: 2
DFS: 1
BFS: 1