XVII Open Cup Grand Prix of Eurasia

Правка en1, от mnaeraxr, 2017-03-07 22:06:08

How to solve problem 1, 4, 8 and 12 of this contest??

I found that Petr commented problem 1 on his blog, but he didn't post the idea later.

Теги opencupvii, opencup, eurasia

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en1 Английский mnaeraxr 2017-03-07 22:06:08 267 Initial revision (published)