代码

int plus(int a, int b)
{
	int jw=a&b;
 int jg=a^b;
 while(jw)
 {
  int t_a=jg;
  int t_b=jw<<1;
  jw=t_a&t_b;
  jg=t_a^t_b;
 }
 return jg;
}

评测结果