this below code is giving wrong answer
link to the question
#include<iostream>
#include<cstdio>
#include<cmath>
#define FAST_IO ios_base::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
int main()
{
FAST_IO
int T;
long long int a,b,n;
cin>>T;
while(T--)
{
cin>>a>>b>>n;
if ((a>=0 && b>=0))
{
if(a>b)
cout<<"1"<<"\n";
else if(a<b)
cout<<"2"<<"\n";
else
cout<<"0"<<"\n";
}
if ((a>=0 && b<=0))
{
if(!(n%2))
b=-b;
if(a>b)
cout<<"1"<<"\n";
else if(a<b)
cout<<"2"<<"\n";
else
cout<<"0"<<"\n";
}
if ((a<=0 && b>=0))
{
if(!(n%2))
a=-a;
if(a>b)
cout<<"1"<<"\n";
else if(a<b)
cout<<"2"<<"\n";
else
cout<<"0"<<"\n";
}
if ((a<=0 && b<=0))
{
if(!(n%2))
{
b=-b;
a=-a;
}
if(a>b)
cout<<"1"<<"\n";
else if(a<b)
cout<<"2"<<"\n";
else
cout<<"0"<<"\n";
}
}
return 0;
}