1432. 改变整数得到的最大差值
Medium | Math, Greedy
Medium
1433. 检查一个字符串是否可以打破另一个字符串
Medium | String, Greedy, Sorting
1441. 用栈操作构建数组
Medium | Array, Stack, Simulation
1448. 统计二叉树中好节点的数目
Medium | Tree, Depth-First Search, Breadth-First Search, Binary Tree
1451. 重新排列句子中的单词
Medium | String, Sorting
1456. 给定长度子字符串中元音的最大数目
Medium | String, Sliding Window
1457. 二叉树中的伪回文路径
Medium | Bit Manipulation, Tree, Depth-First Search, Breadth-First Search, Binary Tree
1461. 检查字符串是否包含所有长度为 K 的二进制子串
Medium | Hash Table, String, Bit Manipulation, Rolling Hash, Hash Function
1462. 课程表 IV
Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort
1465. 切蛋糕的最大面积
Medium | Array, Greedy, Sorting