Special Recipe

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Chef had made a special recipe, he wants that recipe not to be known by anyone. He kept the recipe’s in a locker with a pin of $N$ digits. After few days he wanted prepare the special recipe. Unfortunately Chef forgot the pin, he just knows that the pin is an autobiographical number with at most $4$ non zero integers. An autobiographical number is a number $N$ such that the first digit of $N$ co

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solution.cppC++17

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