Sorting Robot Types Alphabetically

Archived question

Try the question in your own editor, then check your output below.

THE QUESTION

Text from the official booklet. Refer to the PDF for original mathematical notation, formatting, and linked input files. Printed samples and inputs are reproduced as published.

A robotics facility stores its robot types in a database, but the list has become unsorted.
Your task is to sort the robot types in alphabetical order. Below is the unsorted list of
100 robot types:
Zeta, Alpha, Orion, Bolt, Cyclone, Titan, Gamma, Raptor, Sigma, Delta,
Echo, Falcon, Vector, Helix, Nova, Quantum, Atlas, Sentinel, Phoenix,
Ion, Javelin, Kappa, Lambda, Magnetron, Nebula, Omega, Photon, Quark,
Reactor, Specter, Turbo, Ultron, Vortex, Warp, Xenon, Yukon, Zenith,
Arc, Blaze, Comet, Dynamo, Eclipse, Forge, Glider, Horizon, Inferno,
Jetstream, Krypton, Lancer, Mirage, Neptune, Obsidian, Pulse, Quantum-
X, Rift, Solaris, Tempest, Umbra, Volt, Wyvern, Xylo, Yarrow, Zenith-X,
Aero, Binary, Circuit, Droid, Ember, Flux, Gearbox, Hyperion, Ignite,
Jaguar, Kodiak, Lumina, Matrix, Nimbus, Onyx, Prism, Quanta, Radiant,
Striker, Titan-X, Ultravolt, Vector-X, Whisper, Xylon, Yarder, Zephyr,
Alloy, Blitz, Cobalt, Drift, Enigma
Sort the list of 100 robot types alphabetically.

CHECK YOUR ANSWER

Try your answer.

There are 94 listed robot types, despite the printed count of 100. Use all listed names.

Run your program in your own editor, then paste its output below. This checks the stated output; it does not assess your full program. Practice attempts do not affect competition scores.

Reveal worked answer

Your output

["Aero", "Alloy", "Alpha", "Arc", "Atlas", "Binary", "Blaze", "Blitz", "Bolt", "Circuit", "Cobalt", "Comet", "Cyclone", "Delta", "Drift", "Droid", "Dynamo", "Echo", "Eclipse", "Ember", "Enigma", "Falcon", "Flux", "Forge", "Gamma", "Gearbox", "Glider", "Helix", "Horizon", "Hyperion", "Ignite", "Inferno", "Ion", "Jaguar", "Javelin", "Jetstream", "Kappa", "Kodiak", "Krypton", "Lambda", "Lancer", "Lumina", "Magnetron", "Matrix", "Mirage", "Nebula", "Neptune", "Nimbus", "Nova", "Obsidian", "Omega", "Onyx", "Orion", "Phoenix", "Photon", "Prism", "Pulse", "Quanta", "Quantum", "Quantum-X", "Quark", "Radiant", "Raptor", "Reactor", "Rift", "Sentinel", "Sigma", "Solaris", "Specter", "Striker", "Tempest", "Titan", "Titan-X", "Turbo", "Ultravolt", "Ultron", "Umbra", "Vector", "Vector-X", "Volt", "Vortex", "Warp", "Whisper", "Wyvern", "Xenon", "Xylo", "Xylon", "Yarder", "Yarrow", "Yukon", "Zenith", "Zenith-X", "Zephyr", "Zeta"]

Sort the supplied names alphabetically, keeping hyphenated suffixes.

Source: Girls in Code SEA 2025 Fall Competition, 29 November 2025. Booklet created by Emily Xu and the GIC question authors. Shared for non-commercial educational use with attribution, as permitted in the booklet.