余雷contest

UID: 263, Registered at 2024-9-27 9:48:28, last login at 2024-9-28 12:54:41, currently offline.

Solved 0 problems, RP: 6.3 (No. 215)

Bio

This person is lazy and didn't write anything.
Recent Activities
- 乔斯杯红河州赛入门组 IOI
- 试机 IOI
Recent Solutions

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