第十六周任务一

涨工资
从文件salary.txt 中读入500 名工人的工资，全部增加100 元后进行排序，将排序后的结果在屏幕上
输出，并保存到文件ordered_salary.txt 中

#include <iostream>#include <fstream>using namespace std;int main( ){double a[500],m;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 < 500; i++ ){a[i] += 100;}for( j = 0; j < 500; j++ ){for( i = 0; i < 500 - j; i++ ){if ( a[i] > a[i+1]){m = a[i];a[i] = a[i+1];a[i+1] = m;}}}for ( i = 0; i < 500; i++ ){if ( i % 8 == 0 && i != 0)cout << endl;cout << a[i] << "  " ;}ofstream outfile ( "insalary.txt",ios::out);if ( ! outfile ){cerr << "open error!" << endl;exit(1);}for ( i = 0; i < 500; i++ )outfile << a[i] << endl;outfile.close();system("pause");return 0;}