17 weeks (reference to make formal parameters)

Source: Internet
Author: User

*copyright (c) 2014, College of Computer Science, Yantai University
*all rights reserved.
* File Name: 17 weeks (reference to make formal parameters)

* Wangzhong
* Completion Date: 2014.12.21

* Version Number: v1.0
* Problem Description: Enter 3 numbers, output in order from large to small, fun1 with pointer, fun2 reference

* Enter a description: Enter 3 numbers

* Program output: Output in order from large to small

#include <iostream>using namespace std;void fun1 (int *x,int *y,int *z); void fun2 (int &x,int &y,int &z); int main () {int a,b,c;cin>>a>>b>>c;fun1 (&a,&b,&c);cout<<a<< "" <<b << "" <<c<<endl;    Fun2 (a,b,c);cout<<a<< "" <<b<< "<<c<<endl;return 0;} void fun1 (int *x,int *y,int *z) {int t;if (*x<*y)        {t=*x;*x=*y;*y=t;} if (*x<*z)    {t=*x;*x=*z;*z=t;} if (*y<*z)    {t=*y;*y=*z;*z=t;}} void fun2 (int &x,int &y,int &z) {    int t;if (x<y)        {t=x;x=y;y=t;} if (x<z)    {t=x;x=z;z=t;} if (y<z)    {t=y;y=z;z=t;}}

17 weeks (reference to make formal parameters)

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