第16周实验报告任务1

/* (程序头部注释开始)  
* 程序的版权和版本声明部分 

* Copyright (c) 2011, 烟台大学计算机学院学生  

* All rights reserved.* 文件名称：salary 
* 作 者： 郭岩岩 

* 完成日期：2012 年6月 4日 

* 版 本 号： vc.1 

* 对任务及求解方法的描述部分 

* 输入描述：  

* 问题描述：  

* 程序输出：  

*程序头部的注释结束 

*/

#include<fstream>

#include<iostream>
using namespace std;
int main( )
{
    float a[500],t;
    int i,j;
    ifstream infile("salary.txt",ios::in);  
    if(!infile)       
    {
        cerr<<"open error!"<<endl;
        exit(1);
    }
    for(i=0;i<500;i++)
        infile>>a[i];  
    infile.close();
    for(i=0;i<10;i++)
        a[i]+=100; 

    for(j=0;j<500-2;j++)        {
        for(i=0;i<500-j-1;i++)   
            if (a[i]<a[i+1])
            {
                t=a[i];
                a[i]=a[i+1];
                a[i+1]=t;
            }
    }
        ofstream outfile("ordered_salary.txt",ios::out);
    if(!outfile)        {
        cerr<<"open error!"<<endl;
        exit(1);
    }
    for(i=0;i<500;i++)
    {
        outfile<<a[i]<<endl;
        if(i%5==0) cout<<endl;
        cout<<a[i]<<"\t";
    }
    outfile.close();     
    system("pause");
    return 0;
}

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