Given an integer array nums, return the number of longest increasing subsequences.
Notice that the sequence has to be strictly increasing.
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Example 1:
\n\n\nInput: nums = [1,3,5,4,7]\nOutput: 2\nExplanation: The two longest increasing subsequences are [1, 3, 4, 7] and [1, 3, 5, 7].\n\n\n
Example 2:
\n\n\nInput: nums = [2,2,2,2,2]\nOutput: 5\nExplanation: The length of the longest increasing subsequence is 1, and there are 5 increasing subsequences of length 1, so output 5.\n\n\n
\n
Constraints:
\n\n1 <= nums.length <= 2000-106 <= nums[i] <= 106Compiled with clang 11 using the latest C++ 20 standard.
Your code is compiled with level two optimization (-O2). AddressSanitizer is also enabled to help detect out-of-bounds and use-after-free bugs.
Most standard library headers are already included automatically for your convenience.
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