21 August "Problem of the Day" Answer

                                                                   GeeksforGeeks
                                                           
The Question is :- "Game with nos"
Answer :-

int* game_with_number(int arr[], int n)
{
    
    // Complete the function
    for(int i=0;i<n-1;i++)
    arr[i]=arr[i]^arr[i+1];
    
    return arr;
}
  

Hope you understand the answer, and complete it.
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