代码

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

评测结果