# 14. Xoring and Clearing

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

## My Approach

* For printArr function:
  * Iterate through the array from index 0 to n-1.
  * Print each element of the array followed by a space.
  * Print a newline character after printing all elements.
* For setToZero function:
  * Iterate through the array from index 0 to n-1.
  * Set each element in the array to zero using direct assignment.
* For xor1ToN function:
  * Iterate through the array from index 0 to n-1.
  * For each element at index i, perform a bitwise XOR operation with i.
  * Update the element in the array with the result of the XOR operation.

## Time and Auxiliary Space Complexity

* **Time Complexity**: `O(N)`, where `N` is the size of the array.
* **Auxiliary Space Complexity**: O(1) - No extra space is used; the space complexity remains constant.

## Code (C++)

```cpp
class Solution {
  public:
    void printArr(int n, int arr[])
    {
        // Your code for printing array here
        for (int i=0;i<n;i++)
            cout<<arr[i]<<" ";
        cout<<endl;
    }

    void setToZero(int n, int arr[])
    {
        // Use memset to set arr to zero
        for (int i=0;i<n;i++)
            arr[i]=0;
    }

    void xor1ToN(int n, int arr[])
    {
        // Xor arr[i]^i
        for (int i=0;i<n;i++)
            arr[i]^=i;
    }
};
```

## Contribution and Support

For discussions, questions, or doubts related to this solution, please visit our [discussion section](https://github.com/getlost01/gfg-potd/discussions). We welcome your input and aim to foster a collaborative learning environment.

If you find this solution helpful, consider supporting us by giving a ⭐ star to the [getlost01/gfg-potd](https://github.com/getlost01/gfg-potd) repository.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://gl01.gitbook.io/gfg-editorials/2024/04-2024-april-11/14-xoring-and-clearing.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.