# 27. Play With OR

The problem can be found at the following link: [Question Link](https://www.geeksforgeeks.org/problems/play-with-or5515/1)

## 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++)

```cpp
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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