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从 03:15 开始Next one. In this for loop we are trying to take num where num equals to each array element of i.

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从 02:05 开始Setting up Function for Counting Occurrences

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从 01:18 开始First Solution: Flattening the Array

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从 0:00 开始Introduction of Count number of occurrences (or frequency) in a sorted array

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