Master_coder's blog

Need help!
By Master_coder, history, 7 years ago, In English

how to do this problem with segment tree data structure. https://www.codechef.com/SEPT17/problems/SEACO

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7 years ago, # |
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First of all, you need to count how many times a command will be executed. It can done by starting with higher index and work only for type 2.

Secondly, for each command of type 1 perform this command previously calculated times.

Sorry for my bad English.

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7 years ago, # |
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Almost Same Problem: 295A - Greg and Array

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7 years ago, # |
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I think it could be solved using prefix sums :D

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