Help with Binary Indexed Tree

Правка en1, от arrch, 2016-06-22 08:35:24

Hello cf! I am solving this problem http://www.spoj.com/problems/HORRIBLE/ . And I don't know how to implement BIT with range modification. Please help me. Thanks.

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en1 Английский arrch 2016-06-22 08:35:24 192 Initial revision (published)