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Why Build Heap Takes O(N) Time and NOT O(N log N)? | Heapify Explained
If building a heap involves calling heapify multiple times, shouldn’t the time complexity be O(N log N)? Then why do textbooks and interviewers say that building a heap takes only O(N) time? In this video, we break down the intuition and mathematical proof behind the time complexity of the Build Heap operation. We will understand: ️ Why the ...
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