Prova così :
codice:
#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a;
    FILE *f = fopen ("list.txt", "r");
    
    fscanf (f, "%d", &a);
    while (!feof (f))
    {
          printf ("%d\n", a);
          fscanf (f, "%d", &a);
    }
    
    fclose (f);
    
    system ("pause");
    
    return 0;
}