摘要： "题目" class Solution { public: char a[10][5]={{'\0'},{'\0'},{'a','b','c'},{'d','e','f'},{'g','h','i'},{'j','k','l'},{'m','n','o'},{'p','q','r','s'},{'t 阅读全文

摘要： "题目" 和之前的一样的思路 O（N^(k 1)） class Solution { public: vector fourSum(vector& nums, int target) { sort(nums.begin(),nums.end()); int length = nums.size(); 阅读全文