Help in Croc Champ 2013 — Round 1 Problem-E

Правка en1, от 3_Problems_Everyday, 2016-06-08 03:31:38

Could anyone please tell me how to solve Problem E . I have seen some codes which use a segment tree but i am not able to understand. Also there is no editorial for this round .Any help would be appreciated. Thanks in advance.

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en1 Английский 3_Problems_Everyday 2016-06-08 03:31:38 316 Initial revision (published)