Good Prefix

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Chef got a string $S$ with length $N$ as his birthday gift. A prefix of this string is *good* if each character occurs in it at most $X$ times. Chef can delete at most $K$ characters from this string. He wants to maximise the number of good prefixes in the resulting string. Can you help him? ### Input - The first line of the input contains a single integer $T$ denoting the number of test ca

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solution.cppC++17

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