Editorials

Welcome to the AOI Editorials section! Here you'll find step-by-step explanations and solutions to contest problems from various AOI competitions.

Available Contests

Implementation Gauntlets

Practice problems focusing on implementation skills and problem-solving techniques.

Incarnadine Training September 2025

Problems and solutions of the Incarnadine Training Test - September 2025

IOI TST 2025

International Olympiad in Informatics Team Selection Test 2025 problems and solutions.

NAOI TST 2025

North African Olympiad in Informatics Team Selection Test 2025 materials.

PAIO TST 2025

Pan-African Olympiad in Informatics Team Selection Test 2025 problems and editorials.

Summer Camp 2024 Test

Final Exam of the 2024 AOI Summer Camp problems and solutions.