Chef and Digits of Large Numbers

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Chef and Abhishek are two friends. Abhishek really appreciates Chef's skills and wants to learn the secret formula behind Chef's tasty dishes. Chef will tell his secret formula only to a competent person. So to check Abhishek's competency, Chef asked him to solve the following problem. Find the number of integers between $0$ and $N$ (inclusive) such that the product of digits of the integer

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solution.cppC++17

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