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  1. Sparse Arrays
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Sparse Arrays

  • sawanpatel2508
     + 0 comments

    Here is the typescript solution for the better time complexity and space complexity. The time complexity over here will be o(n + q). I have created a hash map for the faster retrival of the information: Python:

    def matchingStrings(strings, queries):
    strings_frequency = {}
    for string in strings:
        strings_frequency[string] = strings_frequency.get(string, 0) + 1

    return [strings_frequency.get(query, 0) for query in queries]