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Use std::set instead of std::vector when it improves time complexity #220

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kmyk opened this issue Sep 4, 2021 · 0 comments

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kmyk commented Sep 4, 2021

Description / 説明

以下のような感じの使われ方をしている list については std::vector でなく std::set が使われてほしい

xs.append(x)
xs.sort()
return y in xs

Motivation / 動機

https://atcoder.jp/contests/abc217/tasks/abc217_d これ解きたい

kmyk added the enhancement label

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