Write a function to add two numbers, without using any arithmetic operator

Write a function to add two numbers, without using any arithmetic operator

//xor can perfectly simulate the addition operation 
void add(int a, int b)
{
int result=0;
int c=0;
for(int i=0;i<32;i++)
{
 int mask=1<<i;
 result|=(a&mask)xor(b&mask)xor(c&mask);
 if(c==0)//carry is 0
 {
  if((a&mask)&&(b&mask)) 
   c=1;
 }
 else if(c==1)//carry is 1
 {
  if(a&mask)||(b&mask)
   c=0;
 }
}
if(c==0) cout<<"the result is: "<<result<<endl;
else cout<<"overflow"<<endl;
}