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15第八周实践——程序阅读

2015-04-26 19:12 316 查看
/*

* Copyright (c) 2014, 烟台大学计算机学院

* All rights reserved.

* 文件名称:test.cpp

* 作 者:李晓凯

* 完成日期:2015年 4 月 26 日

* 版 本 号:v1.0

*

* 问题描述:

* 输入描述:

* 程序输出:

*/

(1)

#include <iostream>
using namespace std;
class Sample
{
private:
int x;
public:
Sample () { }
Sample(int a){x=a;}
void disp(){cout<<"x="<<x<<endl;}
friend Sample operator+( Sample &s1, Sample &s2);
};
Sample operator+( Sample &s1, Sample &s2)
{
return Sample(s1.x+s2.x);
}

int main()
{
Sample obj1(10);
Sample obj2(20);
Sample obj3;
obj3=obj1+obj2;
obj3.disp();
return 0;
}




(2)
#include <iostream>
using namespace std;
class Sample
{
private:
int x;
public:
Sample() {}
Sample (int a){x=a;}
void disp(){cout<<"x="<<x<<endl;}
Sample operator+(Sample &s);
};
Sample Sample:: operator+( Sample &s)
{
return Sample(x+s.x);
}
int main()
{
Sample obj1(20);
Sample obj2(20);
Sample obj3;
obj3=obj1+obj2;
obj3.disp();
return 0;
}




(3)

#include<iostream>
using namespace std;
class Wages//“工资”类
{
double base;//基本工资
double bonus;//奖金
double tax;//税金
public:
Wages(double CBase, double CBonus,double CTax):
base(CBase), bonus(CBonus),tax(CTax) {}
double getPay()const;//返回应付工资额
Wages operator+(Wages w)const;//重载加法
};
double Wages::getPay()const
{
return base+bonus-tax;
}
Wages Wages::operator+(Wages w)const
{
return Wages(base+w.base,
bonus+w.bonus,tax+w.tax);
}
int main()
{
Wages wl(2000,500,100),w2(5000,1000,300);
cout<<(wl+w2).getPay()<<endl;
return 0;
}




(4)
#include<iostream>
using namespace std;
class Pair
{
int m;
int n;
public:
Pair(int i, int j):m(i),n(j) {}
bool operator >(Pair p) const;
};
bool Pair::operator>(Pair p)const
{
if (m!=p.m)
return m>p.m;
return n>p.n;
}
int main()
{
Pair p1(3,4),p2(4,3), p3(4,5);
cout<<(p1>p2)<<(p2>p1)<<(p2>p3)<<(p3>p2);
return 0;
}




学习总结:这几个程序算是比较简单的了,在看过视频后,很轻易地就看懂了。♪(^∇^*)
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