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1635A Min Or Sum codeforces solution in cpp

 1635A Min Or Sum codeforces solution in cpp

by ujjal roy




#include<bits/stdc++.h>

using namespace std;

main()

{


   long long  int t ,n,i;


    cin>>t;

    while(t--)

    {

        cin>>n;

        long long int a[n],sum=0;

        for(i=0;i<n;i++)

        {

            cin>>a[i];

            sum|=a[i];

        }


        cout<<sum<<endl;

    }



    return 0;

}


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