CH-SMO 2010 Problem 1
Three coins lie on integer points on the number line. A move consists of choosing and moving two coins, the first one unit to the right and the second one unit to the left. Under which initial conditions is it possible to move all coins to one single point?
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.