Solution: Number of Longest Increasing Subsequence
Explore how to determine the number of longest strictly increasing subsequences in an integer array by tracking lengths and counts through dynamic programming. Understand the step-by-step process that updates subsequence lengths and counts efficiently, and learn about the algorithm's time and space complexity.
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Statement
Given an integer array nums, return the number of longest strictly increasing subsequences it contains.
A subsequence is formed by choosing elements from the array while keeping their original order, and it is considered strictly increasing if every next element is greater than the previous one.
Constraints:
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