HDU6298-2018ACM暑假多校联合训练1001-Maximum Multiple

 1 #include <iostream>
 2 
 3 using namespace std;
 4 
 5 int main()
 6 {
 7     ios::sync_with_stdio(false);
 8     int t;
 9     cin >> t;
10     while (t--)
11     {
12         long long n;
13         cin >> n;
14         if (n % 3 == 0)
15             cout << (n / 3)*(n / 3)*(n / 3) << endl;
16         else if (n % 4 == 0)
17             cout << (n / 2)*(n / 4)*(n / 4) << endl;
18         else
19             cout << "-1" << endl;
20     }
21     return 0;
22 }