#include <iostream>
#include<vector>
using namespace std;
int main()
{
std::vector<std::vector<char> > vec(10,std::vector<char>(10, '#'));
//print the elments to confirm
for(auto &row: vec)
{
for(auto &col:row)
{
std::cout<<col<<" ";
}
std::cout<<std::endl;;
}
return 0;
}