数组大折腾3

#include <iostream>using namespace std;int main(){    int a[16]= {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};    int i;    cout<<"元素值为3的倍数的数是；"<<endl;    for(i=0; i<16; i++)    {        if(a[i]%3==0)            cout<<"a["<<i<<"]"<<' '<<a[i]<<endl;    }    cout<<"下标为3的倍数的元素值是；"<<endl;    for(i=0; i<16; i++)    {        if(i%3==0)            cout<<"a["<<i<<"]"<<' '<<a[i]<<endl;    }    return 0;}