Repeating Movement Pattern

Archived question

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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 robot repeats the steps:
[forward, left, right]
Given N = 2911, output the N -th step.

CHECK YOUR ANSWER

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Your output

forward

Use one-based step numbering: (2911−1) modulo 3 is 0, which is forward.

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.