#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main (int argc, char **argv) {

 for (int i=1; i <= 100; i++) {
  FILE *inpfile = fopen ("sqrt.in","wb");
  fprintf (inpfile,"%d\n",i);
  fclose (inpfile);
  system ("./squareroot < sqrt.in");
 }
 return 0;
}