How to make a program restart from beginning

[diefolain]

#include <iostream>
#include <stdlib.h>     //pentru fct rand
#include <time.h>
#include <ctime>
#include <conio.h>

using namespace std;

int main()

{
    getch();
    unsigned int a[5][5],j,i,cr,b;
        srand(time(NULL));
    for( i = 0; i < 5; ++i)
  {for( j = 0;  j < 5; ++j)
    a[i][j]=rand()%5;
  }
  for( i = 0; i < 5; ++i)
  {for( j = 0; j < 5; ++j)
     cout<<a[i][j]<<" ";
   cout<<'\n';
  }
if (getch())// after this i want to return to the first expression any idea on how? only if (getch()) tho

}

[n3n3]

You are mixing up C headers and C++...

 

just wrap your main body in a

char c;
while (cin >> c)
{
..
}