有以下程序 &include void fun(int *a,int *b) {int *c;c=a;a=b;b=c;} main() {int x=3,y=5,*p=&x,*q=&y;fun(p,q);printf(“%d,%d,”,*p,*q);fun(&x,&y);printf(“%d,%d “,*p,*q);} 程序运行后的输出结果是 ( )

To apply the sales comparison approach for setting hotel rates, we observe rates of four hotel rooms with different attributes (1: A, B, D, G – RMB600;2: B, D, F – RMB600;3: D, G, F – RMB500;4: B, D –