读写文档

#include<fstream>

#include<iostream>

#include<string>

#include<vector>

using namespace std;

int main()

{

ifstream in;

ofstream out("d:\\csq\\answer.txt");

string s;

int i;

vector<string> a;

in.open("d:\\csq\\data.txt");

if(!in)

{

cout<<"not open file\n";

return 0;

}

while(getline(in,s))

{

a.push_back(s);

}

in.close();

    

for(i=0;i<a.size();i++)

{

s=a[i];

cout<<s<<endl;

out<<s<<"="<<100<<endl;

}

out.close();

}