3159. Find Occurrences of an Element in an Array

You are given an integer array nums, an integer array queries, and an integer x. For each queries[i], you need to find the index of the queries[i]th occurrence of x in the nums array. If there are fewer than queries[i] occurrences of x, the answer should be -1 for that query. Return an integer array answer containing the answers to all queries. Example 1: Input: nums = [1,3,1,7], queries = [