// p91.cpp : Defines the entry point for the console application.
//#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;
int main(int argc, char* argv[])
{
ifstream inFile;
ofstream outFile; int test1,test2,test3,test4,test5;
double average;
char studentId; inFile.open("c:\\test.txt");
outFile.open("c:\\test.out"); outFile<<fixed<<showpoint;
outFile<<setprecision(2); cout<<"Processing data"<<endl;
inFile>>studentId;
outFile<<"Student ID: "<<studentId
<<endl;
inFile>>test1>>test2>>test3>>test4>>test5; outFile<<"Test scores: "<<setw(4)<<test1
<<setw(4)<<test2
<<setw(4)<<test3
<<setw(4)<<test4
<<setw(4)<<test5
<<endl;

average = static_cast<double>(test1+test2+test3+test4+test5)/5.0;
outFile<<"Average test score: "<<setw(6)
<<average<<endl; inFile.close();
outFile.close(); return 0;
}
如上代码,在VC6中可以编译通过,在VC2005中不行,说是错误 1 fatal error C1083: 无法打开包括文件:“iostream”: No such file or directory c:\documents and settings\ggggdiu\桌面\p91\p91\p91.cpp 5 请问大家,这是什么原因?