How To Multiply Two Number Without Multiply * Operator

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int mul(int a, int b)
{
    int carry=1,sum;
    while(carry!=0)
    {
        sum=a^b;
        carry=a&b;
        a=sum;
        b=carry<<1;
    }
    return sum;
}
int main()
{
    int n,m,i,f;
    cin>>n>>m;
    f=n;
    for(i=1;i<m;i++)
    {
       f=mul(f,n);

    }
    cout<<f<<endl;
    return 0;
}

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About Ashadullah Shawon

I am Ashadullah Shawon. I am a Software Engineer. I studied Computer Science and Engineering (CSE) at RUET. I Like To Share Knowledge. Learn More: Click Here