echi7
UID: 3072, Registered at 2026-4-26 21:15:23, last login at 2026-7-21 15:14:43, last active at 2026-9-12 8:27:56.
Solved 38 problems, RP: 67.54 (No. 209)
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Bio
形而上生物学
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Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.
Problem Tags
- CSP
- 32
- 模拟
- 19
- 其他
- 9
- 字符串处理
- 8
- STL
- 6
- 位运算
- 5
- 算法基础
- 3
- 搜索
- 3
- 数学
- 3
- 清华推研机试
- 2
- 考研
- 2
- 动态规划
- 2
- 背包
- 2
- 贪心
- 2
- 数据结构
- 1
- 位图/bitset
- 1
- 前缀和
- 1
- 记忆化搜索
- 1
- BFS
- 1
- 循环节
- 1