river_ya
UID: 2253, Registered at 2026-3-17 19:09:50, last login at 2026-3-18 18:33:05, last active at 2026-3-31 12:26:47.
Solved 6 problems, RP: 17 (No. 691)
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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
- 6
- 其他
- 3
- 模拟
- 2
- 位运算
- 2
- 搜索
- 1
- BFS
- 1
- 字符串处理
- 1
- STL
- 1
- 组合数学
- 1
- 容斥原理
- 1
- 动态规划
- 1
- 线性代数
- 1
- 矩阵乘法
- 1
- 快速幂
- 1
- 算法基础
- 1
- 倍增
- 1