牛志鑫
UID: 519, Registered at 2025-11-26 13:46:59, last login at 2026-2-16 21:49:16, last active at 2026-2-16 21:49:16.
Solved 5 problems, RP: 20 (No. 61)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Solutions
Problem Tags
- 洛谷原创
- 2
- 数学
- 1
- 高精度
- 1
- 树形 DP
- 1
- 图论
- 1
- Special Judge
- 1
- 拓扑排序
- 1
- 贪心
- 1
- O2优化
- 1
- 洛谷月赛
- 1