#3159
Find Occurrences of an Element in an Array
pupil · 530 · lc medium +28 · 73.3% accepted · 181 likes · top 83%
Description
Given an integer array nums, a query array queries, and an integer x, for each queries[i] find the index of the queries[i]-th occurrence of x in nums. Return -1 for any query where that many occurrences do not exist.
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