text: #include<iostream>
  #include"mat.hpp"
  #include<string>
  #include<vector>
  
  int main(){
      using namespace ariel;
      using namespace std;
      int row = 7;
      int column = 9;
      char c1 = '#';
      char c2 = '-';
      string a;
      a = mat(column,row,c1,c2);
      for(int i = 0 ; i< a.size(); i++){
          cout << a.at(i);
      }
      cout << endl<< "Enter mat size and design:"<< endl;
      cin >> column;
      cin >> row;
      cin >> c1;
      cin >> c2;
      a = mat(column,row,c1,c2);
      for(int i = 0 ; i< a.size(); i++){
          cout << a.at(i);
      }
  
      return 0;
  }