第十六週作業1

<pre class="cpp" name="code">#include<iostream>    
#include<fstream>   
using namespace std;    
class Salary  
{  
public:  
    void ordered_salary_add();  
    void ordered_salary();  
    void input_salary();
	void ordered_salary_txt();
private:         
    double salary[500];  
    int number;  
};
int main()  
{  
    Salary s1;
    s1.input_salary();    
    cout<<"排序後工資爲:";  
    cout<<endl;  
    s1.ordered_salary();  
    cout<<endl;  
	s1.ordered_salary_txt();
	system("PAUSE");  
    return 0;  
}
void Salary::input_salary()  
{  
    int i=0;  
	ifstream infile("salary.txt",ios::in);
	if (!infile)
	{
		cerr<<"open error!"<<endl;
        system("PAUSE");
		exit(1);

	}
	for (i=0;i<500;i++)
		infile>>salary[i];
	infile.close();
    number=500;  
}
void Salary::ordered_salary_add()  
{  
    int i;  
    for (i=0;i<number;i++)  
    {  
        salary[i]=salary[i]+100;   
    }  
    return;  
}  
void Salary::ordered_salary()  
{  
	
    int i,j;  
    double t;  
    for(i=0;i<number-1;i++) 
	{
        for(j=0;j<number-i-1;j++) 
		{
            if(salary[j]>salary[j+1])  
            {  
                t=salary[j];  
                salary[j]=salary[j+1];  
                salary[j+1]=t;  
            }  
		}
	}
	for (i=0;i<number;i++)  
	{  
		cout<<salary[i]<<"  ";  
	}  
	return;  
}  

void Salary::ordered_salary_txt()
{
	ofstream outfile("ordered_salary.txt",ios::out);
	if(!outfile)
	{
		cerr<<"open error!"<<endl;
		exit(1);
	}
	for(int i=0;i<500;i++)
		outfile<<salary[i]<<"\n";
	outfile.close();
	return ;
}

 

報道有點晚昂，，已經盡力了。呵呵