Python | Leetcode Python题解之第380题O(1)时间插入、删除和获取随机元素
题目: 题解: class RandomizedSet:def __init__(self):self.nums []self.indices {}def insert(self, val: int) -> bool:if val in self.indices:return Falseself.indices[val] len(self.nums)self.nums.append(val)return Truedef remove(self…
2026-02-01