> #include <stdio.h>
> 
> #define setbit(x,y) x|=(1<<(y)) //将X的第Y位置1
> #define clrbit(x,y) x&=~(1<<(y)) //将X的第Y位清0
> 
> int main()
> {
> 	int r, x, y;
> 	scanf("%x,%d,%d", &r, &x, &y);
> 	clrbit(r, x);
> 	setbit(r, y);
> 	setbit(r, y - 1);
> 	clrbit(r, y - 2);
> 	printf("%x\n", r);
> 	return 0;
> }

• Re:贴个代码，一次ac (12) little_star 2010-04-17 21:36:17