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"if n in dic.values()" can start to take too much time if you are doing it too often. Try to store frequencies somewhere instead of searching through your array of values everytime you get a q==3.
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Frequency Queries
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"if n in dic.values()" can start to take too much time if you are doing it too often. Try to store frequencies somewhere instead of searching through your array of values everytime you get a q==3.