offline solution

Правка en1, от speedster, 2015-08-16 10:28:11

How to solve this: given multiple query of type : x l r , we need to find the frequency of x in the range r to l. There are no updation so basically calls out for an offline algorithm .

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en1 Английский speedster 2015-08-16 10:28:11 203 Initial revision (published)