1372. 二叉树中的最长交错路径
Medium | Dynamic Programming, Tree, Depth-First Search, Binary Tree
Dynamic Programming
1373. 二叉树中的最大 BST 子树
Hard | Dynamic Programming, Tree, Depth-First Search, Binary Search Tree, Binary Tree
1387. 根据数字的幂值排序
Medium | Dynamic Programming, Memoization, Sorting
1395. 统计作战单位数
Medium | Array, Dynamic Programming, Binary Indexed Tree, Segment Tree
1397. 寻找所有好字符串
Hard | String, Dynamic Programming, String Matching
1402. 减少菜肴
Hard | Array, Dynamic Programming, Greedy, Sorting
1406. 石子游戏 III
Hard | Array, Math, Dynamic Programming, Game Theory
1411. 给 N × 3 网格涂色的方案数
Hard | Dynamic Programming
1416. 恢复数组
Hard | String, Dynamic Programming
1420. 构建数组使得恰好进行 K 次比较找到最大值
Hard | Dynamic Programming, Prefix Sum