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Longest Increasing Subsequence

MediumDynamic Programming

Given an integer array nums, return the length of the longest strictly increasing subsequence.

Example:

Input: nums = [10,9,2,5,3,7,101,18]
Output: 4
Explanation: The longest increasing subsequence is [2,3,7,101], length = 4

Constraints:

  • 1 <= nums.length <= 2500
  • -10^4 <= nums[i] <= 10^4