How should I practice Minimum Operations to Zero?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Salesforce online assessment problems in FastPrep.

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FastPrep tags this as a Salesforce online assessment coding practice problem when the problem catalog has that company and stage context.

Minimum Operations to Zero

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Problem statement

You are given an integer n. In one operation, you may add or subtract any power of two from n, such as 2^0, 2^1, 2^2, and so on.

Return the minimum number of operations required to reduce n to 0.

Function

getMinOperations(n: int) → int

Examples

Example 1

n = 21return = 3

One optimal sequence is 21 -> 20 by subtracting 1, 20 -> 16 by subtracting 4, and 16 -> 0 by subtracting 16.

Constraints

1 <= n <= 10^9

Problem statement

Function

Examples

Example 1

Constraints

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