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
2065. 图中的最大路径质量
Hard | Array, Backtracking, Graph Theory
2178. 正偶数的最大分割
Medium | Math, Backtracking, Greedy
2212. 射箭比赛中的最大得分
Medium | Array, Backtracking, Bit Manipulation, Enumeration
2305. 公平分发饼干
Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask
2375. 根据DI字符串构造最小数字
Medium | String, Backtracking, Stack, Greedy
2597. 美丽子集的数目
Medium | Array, Hash Table, Math, Dynamic Programming, Backtracking, Sorting, Combinatorics
1286. 组合迭代器
Medium | String, Backtracking, Design, Iterator
1307. 单词数学谜题
Hard | Array, Math, String, Backtracking
1415. 第 k 个字典序的长度为 n 的快乐字符串
Medium | String, Backtracking
1467. 两个盒子中球的颜色数相同的概率
Hard | Array, Math, Dynamic Programming, Backtracking, Combinatorics, Probability and Statistics