nabeatsu-omp

nabeatsu-omp.c

#include <omp.h>
#include <stdio.h>

#define START 1
#define END 10000

int
main ()
{
  int i, j, len;
  char str[0xff];
  _Bool f;

  for (i = START; i <= END; i++)
    {
      printf ("%d: ", i);

      if (i % 3 == 0)
        f = 1;
      else
        {
          f = 0;
          len = snprintf (str, 0xff, "%d", i);
#pragma omp parallel for reduction(|:f)
          for (j = 0; j < len; j++)
            f |= str[j] == '3';
        }
      if (f)
        printf ("aho");

      putchar ('\n');
    }

  return 0;
}