BC20260091

UID: 1223, Registered at 1 year ago, last login at 1 month ago, currently offline.

Solved 9 problems, RP: 53 (No. 32)

♂

This person is lazy and didn't write anything.

P1
P6
P7

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

贪心: 4
树形 DP: 4
堆: 1
背包 DP: 1
CTSC: 1
早于 2010: 1
数论: 1
树的直径: 1