dominant

UID: 9873, Registered at 1 year ago, last login at 7 months ago, currently offline.

Solved 12 problems, RP: 20.9 (No. 202)

This person is lazy and didn't write anything.

P1577

P1578

P1576

P1521

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

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

二分: 1
动态规划: 1
前缀和: 1
模拟: 1