3646. 下一个特殊回文数
Hard | Backtracking, Bit Manipulation
Backtracking
3669. 平衡 K 因数分解
Medium | Math, Backtracking, Number Theory
3799. 单词方格 II
Medium | Array, String, Backtracking, Sorting, Enumeration
2698. 找到整数的惩罚数
Medium | Math, Backtracking
2708. 群体的最大强度
Medium | Array, Dynamic Programming, Backtracking, Greedy, Bit Manipulation, Sorting, Enumeration
2850. 将石头分散到网格中的最少移动次数
Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Matrix, Bitmask
2002. 两个回文子序列长度的最大乘积
Medium | String, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask
2044. 统计按位或能得到最大值的子集数目
Medium | Array, Backtracking, Bit Manipulation, Enumeration
2048. 下一个数值平衡数
Medium | Hash Table, Math, Backtracking, Counting, Enumeration
2056. 棋盘上有效移动组合的数目
Hard | Array, String, Backtracking, Simulation