Q. 42 What is the return value of f(p,p), if the value of p is initialized to 5 before
the call? Note that the first parameter is passed by reference, whereas the second
parameter is passed by value.
int f(int &x, int c) { c = c - 1; if (c==0) return 1; x = x + 1; return f(x,c) * x; }(A) 3024
(B) 6561
(C) 55440
(D) 161051
Answer: (B)
Explanation:
