#include <stdio.h>
#include <stdlib.h>
int main()
{
int i,a[16]={13,45,89,332,54,221,90,723,65,45,123,47,96,48,187,};
printf("数组中,元素值为3的倍数的数是:\n");
for(i=0;i<16;++i)
{
if(a[i]%3==0)
printf("a[%d] %d\n",i,a[i]);
}
printf("下标为3的倍数的元素值是:\n");
for(i=0;i<16;++i)
if(i%3==0)
printf("a[%d] %d\n",i,a[i]);
return 0;
}