Pallo

#include <bits/stdc++.h>

using namespace std;

typedef long long int ll;

int t;

int main()
{
    cin>>t;
    ll n,m,k;
    for(int i=0;i<t;i++)
    {
        cin>>n>>m>>k;
        ll red = k/(n == m ? n : (n-1)*(m-1));
        ll r = k/(n-1) + k/(m-1) - red;
        cout<<r<<'\n';
    }
}

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 2

Group: 2, 3

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER