爱抖振的滑模Ctrl

UID: 16365, Registered at 3 months ago, last login at 3 months ago, currently offline.

Solved 4 problems, RP: 18.06 (No. 4999)

♂

This person is lazy and didn't write anything.

P2339

P2807

P2926

P2927

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

模拟: 1
图结构: 1
Dijkstra: 1
优先队列: 1
树形dp: 1