Chef_and_Races.cpp

#include <bits/stdc++.h>
using namespace std;

int main() {
	// your code goes here
	int t;
	cin>>t;
	while(t--){
	    int x,y,a,b;
	    cin>>x>>y>>a>>b;
	    if((x==a && y==b) || (x==b && y==a)){
	        cout<<"0"<<endl;
	    }
	    else if((x!=a && y!=b) && (x!=b && y!=a)){
	        cout<<"2"<<endl;
	    }
	    else{
	        cout<<"1"<<endl;
	    }
	}

}