代码

#define S __builtin_scanf(
#define P __builtin_printf(
#define getint(destination)__asm__(\
"	call getchar\n"\
"	xorl $48,%eax\n"\
"	movl %eax,%ebx\n"\
"	call getchar\n"\
"	cmp $48,%eax\n"\
"	jbe 1f\n"\
"0:	movl %ebx,%ecx\n"\
"	sall $2,%ebx\n"\
"	addl %ecx,%ebx\n"\
"	addl %ebx,%ebx\n"\
"	xorl $48,%eax\n"\
"	addl %eax,%ebx\n"\
"	call getchar\n"\
"	cmp $48,%eax\n"\
"1:	jge 0b\n");\
__asm__("movl %%ebx,%0":"+r"(destination));
main(){
	int a,b,c;
	getint(a);
//	P"%d\n",a);
	getint(b)
    P"%d",a+b);
//	P"%d %d\n",a,b);
}

评测结果