随心刷题计划 今日题解: 1. Two Sum class Solution { public: vector<int> twoSum(vector<int>& nums, int target) { int n = nums.size(); for (int i = 0; i < n-1;i++){ for (int j = 1; j < n;j++){ if(nums[i]+nums[j]==target) return { i, j}; } } return { }; } }; 2. Add Two Numbers class Sol...