Crux 2015 Problem 3960
The text of this problem is not here. Read it in the official paper below.
Official text Crux Mathematicorum Vol. 41, No. 2 (Feb 2015), problem 3960, page 27. Link only.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.