/* C++ code to demonstrate a 2D vector
with elements(vectors) inside it. */
#include <iostream>
#include <vector>
using namespace std;
int main()
{
/*
Below we initialize a 2D vector
named "vect" on line 12 and then
we declare the values on
line 14, 15 and 16 respectively.
*/
vector<vector<int>> vect
{
{1, 2, 3},
{4, 5, 6},
{7, 8, 9}
};
/*
Now we print the values that
we just declared on lines
14, 15 and 16 using a simple
nested for loop.
*/
for (int i = 0; i < vect.size(); i++)
{
for (int j = 0; j < vect[i].size(); j++)
{
cout << vect[i][j] << " ";
}
cout << endl;
}
return 0;
}