27 - Play With OR.md

27. Play With OR

The problem can be found at the following link: Question Link

My Approach

• Iterate through the given array from index 0 to n-2.
• For each index i, perform a bitwise OR operation between arr[i] and arr[i+1].
• Update the value at arr[i] with the result of the OR operation.
• Continue this process until the second-to-last element of the array.
• Return the modified array.

Time and Auxiliary Space Complexity

• Time Complexity: O(N), where N is the length of the array.
• Auxiliary Space Complexity: O(1)

Code (C++)

int* game_with_number(int arr[], int n)
{
    for(int i = 0 ; i < n - 1; ++i){
        arr[i] |= arr[i+1];
    }
    return arr;
}

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