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Return to GATE2013 q42.
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
GATECSE