Crux 2013 Problem 3891
The text of this problem is not here. Read it in the official paper below.
Official text Crux Mathematicorum Vol. 39, No. 10 (Dec 2013), problem 3891, page 24. 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.