songyinyin
UID: 2669, Registered at 2026-3-27 20:00:10, last login at 2026-3-28 8:52:02, last active at 2026-4-9 12:57:55.
Solved 10 problems, RP: 15 (No. 767)
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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
- 10
- 模拟
- 4
- 其他
- 2
- 位运算
- 2
- SPJ
- 1
- STL
- 1
- 字符串处理
- 1
- 计算几何
- 1
- 数学
- 1