Level 5Exercise #101

Turn a list into a heap

Transform a list in place into a valid min-heap and return it.

What you’ll practice

This Level 5 exercise focuses on heapify in the Algorithms curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.

Relevant Python reference: heapq — Heap queue algorithm.

Sample Test Cases

Example #1

Input:make_heap([7,2,5,1])

Output:root is 1

Reference Solution

Reveal Reference Solution

def make_heap(values: list[int]) -> list[int]:
    import heapq
    heapq.heapify(values)
    return values

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Turn a list into a heap

What you’ll practice

Sample Test Cases

Further Reading

Reference Solution