Multidimensional Vectors(2D) in CPP

2d_vector.cpp

#include <iostream>
#include <vector>
using namespace std;

int main(){
    vector<vector<int>> name = {{1,2,3},{4,5,6}};
    for(int i=0;i<name.size();i++){
        for(int j=0;j<name[i].size();j++){
            cout << name[i][j] << " ";
        }
        cout << endl;
    }
}