Question

How many times will the function fact() be called when the following code is executed?

int fact(int n)
{
      if(n == 0)
        return 1;
      return n * fact(n - 1);
}
int main()
{
      int n = 5;
      int ans = fact(n);
      printf("%d",ans);
      return 0;
}

a.

4

b.

5

c.

6

d.

7

Posted under Data Structures and Algorithms

Answer: (c).6

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