3348. 最小可整除数字乘积 II
Hard | Math, String, Backtracking, Greedy, Number Theory
Number Theory
1819. 不同子序列 GCD 的数量
Hard | Array, Math, Counting, Number Theory
1994. 好子集的数目
Hard | Array, Hash Table, Math, Dynamic Programming, Bit Manipulation, Counting, Number Theory, Bitmask
2338. 统计理想数组的数目
Hard | Math, Dynamic Programming, Combinatorics, Number Theory
1447. 简化分数
Medium | Math, String, Number Theory
3574. 最大化子数组GCD分数
Hard | Array, Math, Enumeration, Number Theory
3233. 找出不是特殊数字的数字数量
Medium | Array, Math, Number Theory
3260. 找到能被 K 整除的最大回文数
Hard | Math, String, Dynamic Programming, Greedy, Number Theory
3312. 排序的最大公约数对查询
Hard | Array, Hash Table, Math, Binary Search, Combinatorics, Counting, Number Theory, Prefix Sum
3326. 使数组非递减的最小除法运算次数
Medium | Array, Math, Greedy, Number Theory