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Number of Longest Increasing Subsequence

Explore how to determine the number of longest strictly increasing subsequences within an integer array using dynamic programming in C++. Understand the problem constraints, implement solutions, and practice evaluating subsequence patterns to build efficient algorithms.

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:

  • 11 \le ...