I used 2D BIT (Range Updates, Point queries) to solve this problem . Here is my solution which results in WA. Can someone please tell me why is this solution failing?
Spoj: Getting WA in http://www.spoj.com/problems/WINDVANE/. Please help!
I used 2D BIT (Range Updates, Point queries) to solve this problem . Here is my solution which results in WA. Can someone please tell me why is this solution failing?
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