Write a recursive, int -valued function, len, that accepts a string and returns the number of characters in the string. The length of a string is: 0 if the string is the empty string (“”””). 1 more than the length of the rest of the string beyond the first character.

LANGUAGE: C++

CHALLENGE:

Write a recursive, int -valued function, len, that accepts a string and returns the number of characters in the string. The length of a string is: 0 if the string is the empty string (“”). 1 more than the length of the rest of the string beyond the first character.

SOLUTION:

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