XiChen
UID: 42761, Registered at 2026-6-4 11:30:21, last login at 2026-6-29 15:23:40, last active at 2026-7-1 22:38:05.
Solved 65 problems, RP: 193.82 (No. 1676)
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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
- Py算法基础课
- 36
- 机器学习算法
- 9
- 模拟
- 4
- 数据结构
- 2
- 算法基础课
- 2
- 其他
- 1
- 排序
- 1
- 贪心
- 1
- dfs
- 1
- 建树
- 1
- 中序遍历
- 1
- 线性代数
- 1
- 矩阵乘法
- 1
- softmax
- 1
- K-means 聚类
- 1
- 并查集
- 1
- 批量梯度下降
- 1
- 交叉熵损失
- 1
- L2 正则化
- 1
- Softmax
- 1