KöMaL 2010 B4234
All possible strings of different letters are formed out of a -element alphabet. Two such strings are connected with an edge if they only differ in a single position. What is the diameter of the resulting graph?
Official text KöMaL. 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.