c6-21.cpp

谭浩强C++编程教材第二版 教材所有例题的程序

#include <iostream>
using namespace std;
int main()
{void sort(int &,int &,int &);
 int a,b,c,a1,b1,c1;
 cout<<"Please enter 3 integers:";
 cin>>a>>b>>c;
 a1=a;b1=b;c1=c;
 sort(a1,b1,c1);
 cout<<a<<" "<<b<<" "<<c<<" in sorted order is ";
 cout<<a1<<" "<<b1<<" "<<c1<<endl;
 return 0;
}
void sort(int &i,int &j,int &k)
{ void change(int &,int &);
  if (i>j) change(i,j);
  if (i>k) change(i,k);
  if (j>k) change(j,k);
}
void change(int &x,int &y)
{ int temp;
  temp=x;
  x=y;
  y=temp;
}