Codeforces Round #261 (Div. 2) 459A - Pashmak and Garden Solution

  Solution in C++: 

///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()

{

    ios::sync_with_stdio(false);

    cin.tie(0);

    int x1,x2,y1,y2;

    cin>>x1>>y1>>x2>>y2;

    if(x1==x2)

        cout<<y1-y2+x1<<" "<<y1<<" "<<y1-y2+x2<<" "<<y2<<endl;

    else if(y1==y2)

        cout<<x1<<" "<<y1+x1-x2<<" "<<x2<<" "<<y2+x1-x2<<endl;

    else if(abs(x1-x2)==abs(y1-y2))

        cout<<x1<<" "<<y2<<" "<<x2<<" "<<y1<<endl;

    else

    cout<<"-1"<<endl;

    return 0;

}