Interview guides / ios
Move Zeroes: iOS Interview Question
Move Zeroes interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.
This is a common iOS interview topic: Move Zeroes.
Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.
1.Move all zeroes to the end while preserving order of non-zero elements in-place.
Two pointers: write index for next non-zero. O(n) time O(1) space. Common array manipulation warm-up.
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