LeetCode Day 6: Rotate Array Problem 189 | Efficient Solution - Part 2
Solving Rotate Array Problem Optimally
1. *Problem Description*
Given an integer array `nums`, rotate the array to the right by `k` steps.
2. *Optimal Approach*
Reverse the entire array.
Reverse the array from index 0 to `k-1`.
Reverse the array from index `k` to `n-1`.
3. *Implementation Steps*
Initialize `N` as the length of the `nums` array.
Create a `reverse` function to reverse elements in an array from a start position to an end position.
Use a while loop to swap elements from start to end positions to reverse the array.
Consider edge scenarios like taking modulo to handle cases where `k` is greater than the length of the array.
Implement the three-step process of reversing the array as described above.
Run the code and ensure it passes all test cases.
4. *Conclusion*
By following these steps, the array rotation problem can be solved optimally by swapping elements in the array.
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