Solution: Number of Longest Increasing Subsequence
Explore a dynamic programming approach to calculate the number of longest strictly increasing subsequences in an integer array. Learn to track subsequence lengths and counts efficiently, apply nested iteration for comparisons, and understand the time and space complexities involved in solving this problem.
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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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