Norwegian Mathematical Olympiad 2016 Q2

Explore a detailed solution to Question 2 from the 2016 Norwegian Mathematical Olympiad, also known as the Abel Competition, in this 35-minute video. Gain insights into problem-solving techniques for high-level mathematics competitions and learn about the concept of reduction modulo n. Delve into advanced mathematical reasoning and strategies used in olympiad-level problems, enhancing your problem-solving skills for similar mathematical challenges.