class Solution { public: vector<vector<int> > combinationSum2(vector<int> &num, int target) { vector<vector<int> > res; vector<int> tmp; //初始化 if (num.empty()) return res; //特殊情况处理 sort(num.begin(), num.end()); //排序 dfs(num, target, res, tmp, 0); //计算 return r...