vector<vector<int>> vec; // 定义行列未知的二维数组
vector<vector<int>> array(5); //定义行为5的二维数组
vector< vector<int> > asd1(row, vector<int>(column, 0)); //初始化row*column二维动态数组,初始化值为0
标签:定义,column,c++,二维,vector,数组 From: https://www.cnblogs.com/zijidan/p/16897975.html