rzch·5 ปีที่แล้ว·discussThis was framed as a problem on 538's The Riddler column a few years ago: https://fivethirtyeight.com/features/should-you-pay-250-to-p...One solver in particular submitted several elegant solutions: http://math.uchicago.edu/~timblack/blog/addtoone.html
One solver in particular submitted several elegant solutions: http://math.uchicago.edu/~timblack/blog/addtoone.html