yzy20121008
UID: 3695
暂未获得硬币
Registered at 2026-3-21 19:05:11, last login at 2026-3-28 19:01:32, currently offline.
Solved 2 problems, RP: 7 (No. 48)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Activities
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Recent Solutions
This person is lazy and didn't write any solutions.
Problem Tags
- CSES
- 2
- 树上问题
- 2