Codeforces 13613A - Long Comparison Solution

  ///La ilaha illellahu muhammadur rasulullah

///******Bismillahir-Rahmanir-Rahim******///

///Abul Hasnat  Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh

#include <bits/stdc++.h>

using namespace std;

int main()

{

    int t;

    cin>>t;

    while(t--)

    {

        long double  x1,x2,p1,p2,fn,fs;

        cin>>x1>>p1>>x2>>p2;

        if(p1==p2)

            p1=0,p2=0;

        else if(p1>p2)

            p1=p1-p2,p2=0;

        else

            p2=p2-p1,p1=0;

        fn=x1*pow(10,p1);

        fs=x2*pow(10,p2);

        if(fn<fs)

            cout << "<"<<endl;

        else if(fn>fs)

            cout << ">"<<endl;

        else

            cout << "="<<endl;

    }

}