codeforces/1374B.cpp at main · Nithin0306/codeforces · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
#include <bits/stdc++.h>
using namespace std;

#define fast_io ios::sync_with_stdio(false); cin.tie(nullptr);

int main() {
    fast_io;

    int t;
    cin >> t;
    while (t--) {
        // solve here
        long long n;
        cin >> n;

        long long count3 = 0;
        long long count2 = 0;

        while (n > 0 && n % 3 == 0)
        {
            count3++;
            n /= 3;
        }

        while (n > 0 && n % 2 == 0)
        {
            count2++;
            n /= 2;
        }

        if (n > 1 || count2 > count3)
			cout << -1 << endl;
		else
			cout << count3 + (count3 - count
                2) << endl;

    }

    return 0;
}