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Grokking the Coding Interview Patterns

Longest Increasing Subsequence

Explore how to identify and solve the Longest Increasing Subsequence problem by understanding the core concept and applying an optimal O(n log n) time algorithm. This lesson helps you develop strategic problem-solving skills in coding interviews.

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Statement

The Longest Increasing Subsequence (LIS) is the longest subsequence from a given array in which the subsequence elements are sorted in a strictly increasing order. Given an integer array, nums, find the length of the LIS in this array.

Constraints:

  • 1≤1 \leq
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