Question: The atoi() function takes a string (which represents an integer) as an argument and returns its value. Consider the following two recursive implementations atoiR1 ()

 The atoi() function takes a string (which represents an integer) as

The atoi() function takes a string (which represents an integer) as an argument and returns its value. Consider the following two recursive implementations atoiR1 () and atoiR2 (). def atoiR1 (string, num): What is the time complexity of atoiR1? O(n) O(n2) O(n!) O(log(n)) O(2n)

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