Chef and Secret Ingredients

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Chef recently visited ShareChat Cafe and was highly impressed by the food. Being a food enthusiast, he decided to enquire about the ingredients of each dish. There are $N$ dishes represented by strings $S_1, S_2, \ldots, S_N$. Each ingredient used for making dishes in ShareChat Cafe is represented by a lowercase English letter. For each valid $i$, the ingredients used to make dish $i$ correspon

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solution.cppC++17

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