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Crack the Pass!

Raashi was given a task to a crack password. Given a length $‘l’$, Raashi wants to try all passwords of length $‘l’$. Help her to find all possible passwords of length $‘l’$ using recursion. Digits of the password are from 1 to 9. ###Input: - First line contains integer ‘t’, denoting number of testcases. For each testcase: There is one integer ‘l’. ###Output: For each testcase print all

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L1 Observation
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solution.cppC++17

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