class Solution { public: bool Find(int target, vector<vector<int> > array) { int lenx=array.size();//获取二维数组行数 int leny=array[0].size();//获取二维数组列数 bool result = false; if(lenx==0||leny==0)//为空判断 return result; for(int i=0;i<lenx;i...