Help Sherlock

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Sherlock has fallen in love with Irene Addler(The Woman), now he wants to impress her. Irene wants to see how clever he actually is. She asks Moriarty to give her some problem. Moriarty designs the problems as follows: Given two number N and M as input find numbers such as: 1. The number should contain all the digits from 0 to N-1 2. The length of number can be atmost M i.e. it can have atmost

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solution.cppC++17

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