#include <time.h>
  #include <stdio.h>
  int main(void)
  {
      int t;
      int s;
      clock_t start1, start2, end1, end2;
      double cpu_time_used1, cpu_time_used2;

      start1 = clock();
      t = ft_is_prime(10000);
      end1 = clock();
      cpu_time_used1 = ((double) (end1 - start1)) / CLOCKS_PER_SEC;
      printf("ft_is_prime took %f seconds to execute \n", cpu_time_used1);

      start2 = clock();
      s = ft_is_prime(32767);
      end2 = clock();
      cpu_time_used2 = ((double) (end2 - start2)) / CLOCKS_PER_SEC;
      printf("ft_is_prime took %f seconds to execute \n", cpu_time_used2);
  }
/*
ft_is_prime took 0.000002 seconds to execute
ft_is_prime took 0.000000 seconds to execute
*/