echi7
UID: 3072, Registered at 2026-4-26 21:15:23, last login at 2026-5-15 20:49:51, last active at 2026-5-17 18:07:34.
Solved 14 problems, RP: 22.65 (No. 746)
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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
- 9
- 模拟
- 6
- 其他
- 4
- STL
- 2
- 位运算
- 2
- 字符串处理
- 2
- 数学
- 2
- 贪心
- 2
- 算法基础
- 1
- 前缀和
- 1
- 动态规划
- 1
- 背包
- 1