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Leetcode Problem 1243. Array Transformation

1243. Array Transformation

Leetcode Solutions

Iterative Update with Flag

  1. Initialize a boolean flag changed to True to track if any changes are made in the current iteration.
  2. While changed is True, set it to False and create a copy of the current array to compare after the iteration.
  3. Iterate through the array from the second element to the second-to-last element.
  4. For each element, check if it is smaller than both neighbors or larger than both neighbors and update the element accordingly, setting changed to True if an update occurs.
  5. After the iteration, if changed is still False, break the loop as the array has reached its final state.
  6. Return the final array.
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Brute Force with Array Copy

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