C语言求100以内的素数

#include
int main(void)
{
int i, j;
for (i = 1; i <= 100; i++) {
         for (j = 2; j < i; j++)
                if (i % j == 0)
                       break;
         if (j == i)
                printf("%d\n", i);
}
return 0;
}