3551. 按数字和排序的最小交换次数
Medium | Array, Hash Table, Sorting
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3552. 网格传送遍历
Medium | Array, Hash Table, Breadth-First Search, Matrix
3553. 带权重子图的最小路径 II
Hard | Array, Dynamic Programming, Bit Manipulation, Tree, Depth-First Search
3556. 最大质数子串的和
Medium | Hash Table, Math, String, Sorting, Number Theory
3557. 找到最大数量的不相交子串
Medium | Hash Table, String, Dynamic Programming, Greedy
3558. 分配边权重的方案数 I
Medium | Math, Tree, Depth-First Search
3559. 边权重分配的方案数II
Hard | Array, Math, Dynamic Programming, Bit Manipulation, Tree, Depth-First Search
3560. 寻找最小原木运输成本
Easy | Math
3561. 相邻删除后的字符串
Medium | String, Stack, Simulation
3562. 股票交易折扣的最大利润
Hard | Array, Dynamic Programming, Tree, Depth-First Search