Crux 2018 Problem 4391
The text of this problem is not here. Read it in the official paper below.
Official text Crux Mathematicorum Vol. 44, No. 10 (Dec 2018), problem 4391, page 21. 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.