Please help in 567div2D

Revision en2, by youssefbou62, 2019-06-23 18:28:42

I am stuck on this problem 1181D - Ирригация I can't understand its editorial.Can somebody explain the solution in more details ? thanks !

Tags rmq, #567(div 2), #div2d

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en2 English youssefbou62 2019-06-23 18:28:42 61 (published)
en1 English youssefbou62 2019-06-23 18:25:49 149 Initial revision (saved to drafts)