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By sagarsingla_, history, 5 years ago, In English

I need help in finding Longest Increasing Sub-sequence in minimum Time complexity.

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The minimal possible complexity is $$$O(n\log \log \text{LIS})$$$. But it's very hard (van Emde Boas trees). The optimal complexity for CP is $$$O(n\log n)$$$.

P. S. https://hal-upec-upem.archives-ouvertes.fr/hal-00620279