WORDPLAY
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On a sunday Ishaan was reading a book, soon he got bored and wondered how many words on the first page contained different letters . So he asks you to help him. You are given a string $S$ consisting of lowercase English letters. Determine whether all the characters in $S$ are different. ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - The first line o
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solution.cppC++17
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