Stuck at 3 test cases: Pythagoras Triplet problem

Trying to solve this, it only passes 3 test cases. Cound not figure out what is wrong with it. Help would be much appreciated.

i think you make this complex

there is a simple formual for that
you can use it

use these simple conditions

    if(x<3)cout<<"-1";

    else if(x%2==0){

        cout<<((x*x)/4)-1<<" ";

        cout<<((x*x)/4)+1<<endl;

    }

    else{

        cout<<(x*x-1)/2<<" ";

        cout<<(x*x+1)/2<<endl;

    }

Complete Code

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