2475. Number of Unequal Triplets in Array

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You are given a 0-indexed array of positive integers nums. Find the number of triplets (i, j, k) that meet the following conditions: - 0 <= i < j < k < nums.length - nums[i], nums[j], and nums[k] are pairwise distinct. - In other words, nums[i] != nums[j], nums[i] != nums[k], and nums[j] != nums[k]. Return the number of triplets that meet the conditions. Example 1: Input: nums = [4,4,2,

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solution.cppC++17

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