epsilon_573's blog

By epsilon_573, history, 13 months ago, In English

So I have been trying to read on some articles in attempt to solve the recent CodeChef Long. I came across this article but I cannot understand it. It asks us to build array $$$t[]$$$ using $$$d[]$$$ , and then tells us to find $$$d[]$$$ using maximum of a prefix of $$$t[]$$$ using segment tree. If we are already building $$$t[]$$$ using $$$d[]$$$ , why do we need to find $$$d[]$$$ again??


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