Tanmoy1228's blog

Segment tree or BIT problem
By Tanmoy1228, history, 8 years ago, In English

Problem: Walls of the North

can not understand the solution in editorial

can anyone give me any idea of solution in deails???

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8 years ago, # |
  Vote: I like it +6 Vote: I do not like it

I wrote the editorial, send me a private message with your doubts, so we can eliminate your doubts.

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