Solving An Incredibly Hard Problem From Australia

MindYourDecisions
MindYourDecisions
1.1 میلیون بار بازدید - 5 سال پیش - This problem stumped me! But
This problem stumped me! But it has a pretty nice solution. Thanks to all patrons! Special thanks this month to Kyle, Michael Anvari, Richard Ohnemus, Shrihari Puranik.

Source
Emailed to me about 2 years ago, traced to the Australian Intermediate Olympiad given in 2013.

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5 سال پیش در تاریخ 1398/03/14 منتشر شده است.
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