引用作形参--输入三个整数，采用地址的方法按从大到小排序

#include <iostream>using namespace std;int FX (int *x,int *y,int *z);int main(){    int a,b,c;    cin>>a>>b>>c;    FX(&a,&b,&c);    return 0;}int FX (int *x,int *y,int *z){    if(*x>*y&&*y>*z)    cout<<*x<<"  "<<*y<<"  "<<*z<<endl;    else if (*x>*z&&*z>*y)    cout<<*x<<"  "<<*z<<"  "<<*y<<endl;    else if (*y>*x&&*x>*z)    cout<<*y<<"  "<<*x<<"  "<<*z<<endl;    else if (*y>*z&&*z>*x)    cout<<*y<<"  "<<*z<<"  "<<*x<<endl;    else if (*z>*y&&*y>*x)    cout<<*z<<"  "<<*y<<"  "<<*x<<endl;    else if(*z>*x&&*x>*y)    cout<<*z<<"  "<<*x<<"  "<<*y<<endl;}