Inspired by Rubik's cube

Logic Level 3

While solving a \(3 \times 3\) Rubik's cube , Trevor has only \(n\) \(2 \text{-colored}\) (edge) cubies in the wrong position. All other cubies are correctly oriented and positioned. What is the minimum possible value of \(n\)?

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.