## 蓄水池抽样

| \# | 题名 | 题解 | 通过率 | 难度 | 出现频率   |
|------|----------------------|-----|--------|----|--------|
|382|[链表随机节点](https://leetcode-cn.com/problems/linked-list-random-node)   |[9](https://leetcode-cn.com/problems/linked-list-random-node/solution)|54.4%|中等|37.99%|
|398|[随机数索引](https://leetcode-cn.com/problems/random-pick-index)   |[15](https://leetcode-cn.com/problems/random-pick-index/solution)|57.6%|中等|29.97%|
