Leetcode刷题
五. 栈与队列
题目索引
1. LeetCode 232. 用栈实现队列
https://leetcode-cn.com/problems/implement-queue-using-stacks/
2. LeetCode 225. 用队列实现栈
https://leetcode-cn.com/problems/implement-stack-using-queues/
3. LeetCode 20. 有效的括号
https://leetcode-cn.com/problems/valid-parentheses/
4. LeetCode 150. 逆波兰表达式求值
https://leetcode-cn.com/problems/evaluate-reverse-polish-notation/
5. LeetCode 239. 滑动窗口最大值
https://leetcode-cn.com/problems/sliding-window-maximum/
6. LeetCode 347. 前 K 个高频元素
https://leetcode-cn.com/problems/top-k-frequent-elements/
7. LeetCode 42. 接雨水
https://leetcode-cn.com/problems/trapping-rain-water/