Code is to be done in C. Consider an array of characters char arr[] and max length

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Question:

Code is to be done in C. Consider an array of characters char arr[] and max length ‘n’. Write a program with a recursive function that generates and prints all possible password combinations created using characters from the array ‘arr’ provided as command line input and having length, 1 <= length <= n, where ‘n’ is also a command line input

Create and submit only the main.c file
The printing and creation of the password should be done as a recursive function.
The input should be in command line and should be of type “./exeName M c1 c2 c3 N”
- Here “exeName” is the name of the compiled executable
- M is the number of allowable characters in the password, which will be followed after this. E.g., if allowable characters are ‘a’, ‘b’, ‘c’ then this M=3 and c1 = ‘a’, c2 = ‘b’ and c3 = ‘c’
- N is the max length for the password