962. 最大宽度坡
Medium | Array, Two Pointers, Stack, Monotonic Stack
Medium
966. 元音拼写检查器
Medium | Array, Hash Table, String
967. 相邻数字差相等的数字
Medium | Backtracking, Breadth-First Search
971. 翻转二叉树以匹配先序遍历
Medium | Tree, Depth-First Search, Binary Tree
974. 和可被 K 整除的子数组
Medium | Array, Hash Table, Prefix Sum
978. 最长湍流子数组
Medium | Array, Dynamic Programming, Sliding Window
979. 在二叉树中分配硬币
Medium | Tree, Depth-First Search, Binary Tree
981. 基于时间的键值存储
Medium | Hash Table, String, Binary Search, Design
983. 火车票的最低消费
Medium | Array, Dynamic Programming
984. 不含AAA或BBB的字符串
Medium | String, Greedy