Geeksforgeeks Solution For " Palindrome numbers "

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Problem :- Palindrome numbers

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Solution :- 

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        unsigned long long int n,n1,rem,i=1,binary=0,res=0,sum=0;
        cin>>n;
        while (n!=0)
        {
        rem=n%2;
        n/=2;
        binary+=rem*i;
        i*=10;
        }
        n1=binary;
        //cout<<binary;
        while (n1!=0)
        {
        res=n1%10;
        sum=sum*10+res;
        n1=n1/10;
        }
        //cout<<sum;
        if(binary==sum)
        cout<<"1\n";
        else
        cout<<"0\n";
    }
    return 0;
}

Output:-