LeetCode/kt/minimum-number-of-operations-to-make-elements-in-array-distinct.kt

class Solution {
    fun minimumOperations(nums: IntArray): Int =
        BooleanArray(101).let { seen ->
            for (num in nums.withIndex().reversed()) {
                when (seen[num.value]) {
                    true -> {
                        return num.index / 3 + 1
                    }
                    else -> seen[num.value] = true
                }
            }

            0
        }
}