a_sad_fish
UID: 5460, Registered at 2026-9-7 10:55:30, last login at 2026-9-7 19:35:21, last active at 2026-9-11 11:21:34.
Solved 4 problems, RP: 4.8 (No. 3087)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.
Problem Tags
- CSP
- 4
- 数论
- 1
- 试除法
- 1
- 其他
- 1
- 位运算
- 1