Problem · Array

Handwritten Softmax

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Problem statement

Given a nonempty double array logits, return its softmax probability array in the same order.

Let m be the maximum logit. For every index i, compute:

The problem statement continues
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Examples

Example 1

logits = [1.0,2.0,3.0]return = [0.09003057317038046,0.24472847105479764,0.6652409557748218]

After subtracting the maximum 3, normalize [exp(-2), exp(-1), 1] by their sum.

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Reported in 1 Amazon interview this week

Unlock this recently reported problem

FastPrep Pro gives you full access to interview problems reported within the last week.

  • Full problem statement and constraints
  • 2 more worked examples, explained
  • Guided hints and editorial
  • Run your code on real test cases
$9/month

Pro subscription, billed yearly — or $19 month-to-month. Cancel anytime.

Free plan — 2 of 2 free unlocks used this week