Help needed! Only able to solve 1 problem in #817 Div. 4

Правка en1, от TheBhediyaOfDalalStreet, 2022-08-30 20:39:53

Hello guys I was only able to solve 1 problem in prevous Div4 contest. Can you belive that :(

That too take a lot of time :'-(

Please send help. How to solve more problem

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en1 Английский TheBhediyaOfDalalStreet 2022-08-30 20:39:53 232 Initial revision (published)