Question

Using C++ Define and test a recursive function for the product operation between two positive integers: name it mutliply(x, y), where x and y are positive integers, but you can only use the addition and subtractions no multiplication is allowed.

Answer 1

C++ Code:

#include <bits/stdc++.h>

using namespace std;

int multiply(int a,int b)

{

if(a<b)

return multiply(b,a);

else if(b!=0)

return(a+multiply(a,b-1));

else

return 0;

}

int main()

{

int a=8,b=2;

cout<<"A= "<<a<<" B= "<<b<<" A*B= "<<multiply(a,b);

return 0;

}

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