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Number of Unequal Triplets in Array
You are given a 0-indexed array of positive integers nums.
You are given a 0-indexed array of positive integers nums. Find the number of triplets (i, j, k) that meet the following conditions:
Return the number of triplets that meet the conditions.
Example 1
Input: nums = [4,4,2,4,3]
Output: 3
Explanation: The following triplets meet the conditions: - (0, 2, 4) because 4 != 2 != 3 - (1, 2, 4) because 4 != 2 != 3 - (2, 3, 4) because 2 != 4 != 3 Since there are 3 triplets, we return 3. Note that (2, 0, 4) is not a valid triplet because 2 > 0.
Example 2
Input: nums = [1,1,1,1,1]
Output: 0
Explanation: No triplets meet the conditions so we return 0.
Constraints
- 3 <= nums.length <= 100
- 1 <= nums[i] <= 1000
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