第8题

#include  <iostream>using namespace std;void change(int &r1,int &r2){   int temp;  temp=r1;  r1=r2;  r2=temp; }int main(){   int a,b;  cin>>a>>b;  if(a<b) change(a,b);  cout<<"max="<<a<<" min="<<b<<endl;  return 0;}