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Discussion of Problem 2142. Magic

why difficulty is 121?
Posted by Anton 15 Jul 2021 19:05
I dont understand why difficulty is 121, i think it's easy problem
Re: why difficulty is 121?
Posted by markmoretto 13 Jan 2022 00:08
Not everyone is as super smart as you are, Anton.  Us plebeians can barely walk upright, much less understand Western Arabic numerals.

Congrats on your good fortune!