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Building Heap from Array - GeeksforGeeks

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Building Heap from Array - GeeksforGeeks Courses Tutorials Interview Prep DSA Tutorial Interview Questions Quizzes Must Do Advanced DSA System Design Aptitude Puzzles Interview Corner DSA Python Building Heap from Array Last Updated : 18 Oct, 2025 Given an integer array arr[] , build a Max Heap from the given array. A Max Heap is a complete binary tree where each parent node is greater than or equal to its children, ensuring the largest element is at the root. Examples: Input: arr[] = [4, 10, 3, 5, 1] Output: Corresponding Max-Heap: Input : arr[] = [1, 3, 5, 4, 6, 13, 10, 9, 8, 15, 17] Output

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