673. Number of Longest Increasing Subsequence
Problem Statement
Given an integer array nums
, return the number of longest increasing subsequences.
Notice that the sequence has to be strictly increasing.
Example 1:
Example 2:
Constraints:
1 <= nums.length <= 2000
-106 <= nums[i] <= 106
Intuition
Links
https://leetcode.com/problems/number-of-longest-increasing-subsequence/description/
Video Links
https://www.youtube.com/watch?v=cKVl1TFdNXg&t=1004s&ab_channel=takeUforward
Approach 1:
C++
Approach 2:
C++
Approach 3:
C++
Approach 4:
C++
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