How many times is function fib called when by Prof. Kevin Amaratunga

Question 14 / 15: How many times is function fib called when num is 3, including the initial fib(3)?

int fib(int num) // Fibonacci value of a number
{
switch(num)
{
case 0:
return(0);
break;
case 1:
return(1);
break;
default:
return(fib(num - 1) + fib(num - 2));
break;
}
}

A 1

B 4

C 3

D 5

E none

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https://www.jobilize.com/foundations-of-software-engineering-by-prof-kevin-amaratunga-mit

Foundations of Software Engineering

Author:

Prof.Kevin AmaratungaProfessor

MIT Massachusetts Institute of Technology

USA

Access: Public Instant Grading

Attribution: Amaratunga, Kevin. 1.124J Foundations of Software Engineering, Fall 2000. (MIT OpenCourseWare: Massachusetts Institute of Technology), http://ocw.mit.edu/courses/civil-and-environmental-engineering/1-124j-foundations-of-software-engineering-fall-2000 (Accessed 2 May, 2014). License: Creative Commons BY-NC-SA

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