number of arrangement

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Titu is very intelligent boy he loves maths very much and he is really good in maths he is trying to arrange the words but he is stucked in some problem and you have to help him to get his answer all the words in given string is distinct it contain only number form 0 to 9 and lower letter alphabet you have to arrange it and print how many number of arrangement is possible . ### Input - First

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solution.cppC++17

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