输入n个数，输出其中所有个位是7且能被3整除的数。求解！

Question

Answer 1

#include <iostream>
using namespace std;
int main()
{
    int n; cin >> n;
    for (int i = 0; i < n; i++)
    {
        int a; cin >> a;
        if (a % 10 == 7 && a % 3 == 0)
        {
            cout << a << " ";
        }
    }
    return 0;
}