main() {intx=20,y=10,*P; p=&x;printf("%d,",*p); *p=x+10; p=&y;pr

main()
{intx=20,y=10,*P;
p=&x;printf("%d,",*p);
*p=x+10;
p=&y;printf("%d\n",*p);
*p=y+20;
printf("%d,%d\n",x,y);
}
【正确答案】:20,10