Implement FromIterator for Lazy/Segtree and improve performance #107
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Probably good, checking... |
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@koba-e964 Could you check the PR if you have a time? It's is very good if we can have this by the AtCoder Language Update. |
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I implemented
FromIterfor Segtree and LazySegtree. Additionally, I improved a bit the performance of creating a segtree from Vec by reusing the allocated space if applicable.