{
  "node_id": "algorithm-9fb96243cf8d4b1c9b3040686e51b159",
  "keywords": [
    "leetcode",
    "O(1) 时间插入、删除和获取随机元素"
  ],
  "children": [],
  "export": [
    "solution.json"
  ],
  "title": "O(1) 时间插入、删除和获取随机元素"
}