Question Asked in Hackerearth October easy challenge : Mojtaba and Construction camp I

Revision en2, by Riyuzak251097, 2018-10-05 23:42:46

Hi everyone. I am facing difficulty in understanding the editorial for the third question asked in Hackerearth October easy challenge 2018. It would be very helpful if someone tells me how to approach this problem and suggest where problems similar to this can be found

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en2 English Riyuzak251097 2018-10-05 23:42:46 0 (published)
en1 English Riyuzak251097 2018-10-05 23:41:44 447 Initial revision (saved to drafts)