Calculating a*b without using " * "

#1


This is the code for calculating a*b without using " * " operator. It’s giving a wrong answer. Why?

1 Like
#2

//Calulate ab without using '’ operator
#include
using namespace std;
int mul(int a, int b){
//Base Case
if(b==1)
return a;
//Recursive Case
return a+mul(a, b-1);
}
int main(){
int a, b;
cin>>a>>b;
cout<<mul(a, b)<<endl;
}

#3

later one gives correct output
in previous one you have not called the function that’s why it is giving wrong ans

modified code

i hope this help
if you have more doubts regarding this feel free to ask
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#4

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