以下程序的运行结果是___________。voidsub(intx,inty,int*z){*z=y-x;}intmain(){inta,b,c;sub(10,5,&a);sub(7,a,&b);sub(a,b,&c);printf("%d,%d,%d\n",a,b,c);return0;}
A. 5,2,3
B. -5,-12,-7
C. -5,-12,-17
D. 5,-2,-7
执行以下程序后,b的值为__________。int main(){int b,k=4,m=6,*p1=&k,*p2=&m;b=(-*p1)/(*p2)+7;printf("%d\n",b);reurn 0;}
A. 5
B. 6
C. 7
D. 10