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Non-decreasing Subsequences
Given an integer array nums, return all the different possible non-decreasing subsequences of the given array with at least two elements.
Given an integer array nums, return all the different possible non-decreasing subsequences of the given array with at least two elements. You may return the answer in any order.
Example 1
Input: nums = [4,6,7,7]
Output: [[4,6],[4,6,7],[4,6,7,7],[4,7],[4,7,7],[6,7],[6,7,7],[7,7]]
Example 2
Input: nums = [4,4,3,2,1]
Output: [[4,4]]
Constraints
- 1 <= nums.length <= 15
- -100 <= nums[i] <= 100
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