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Replace a Naive List with a Heap in a Delivery Dispatcher

FreeVerified credential1 weekBeginner

Overview

What this challenge is about.

Replace a list with a binary min-heap in a delivery dispatcher, benchmark performance, and earn your verifiable certificate.

CredentialBlockchain-anchored
ShareableLinkedIn-ready
LanguageEnglish
PaceSelf-paced

The Brief

What you'll do, and what you'll demonstrate.

Refactor a dispatcher's courier selection from a linear scan over 4,000 records to a binary min-heap and prove the win on a production-shaped trace.

Earning criteria — what you'll demonstrate

  • Recognize when a linear scan should become a heap
  • Implement decrease-key in a binary heap with an auxiliary index
  • Benchmark a real Python service, not a synthetic micro-benchmark
  • Explain a data-structure change in writing for a teammate

Program Fit

Where this fits in your program.

Sharpens the same skills your degree expects you to demonstrate.

Skills

Skills you'll demonstrate.

Each one shows up on your verified credential.

Careers

Roles this prepares you for.

Real titles. Real skill bridges. Pick the one closest to your trajectory.

Career paths this builds toward

Canonical roles

One more thing

You can put a credential on your CV by Friday.