비밀키/임영동

#include<iostream>
#include<fstream>
#include<string>
using namespace std;

int main()
{
        ifstream fin("input.txt");
        ofstream fout("output.txt");
        string str;
        int key;
        cout<<"�~B� �~R�~]~D �~^~E�| ��~U~X�~K~\�~X�: ";
        cin>>key;
        int count=1;
        while(!fin.eof())
        {
                if(fin.get()=='\n')
                        count++;
        }
        fin.close();
        ifstream fin1("input.txt");
        for(int i=0;i<count;i++)
        {
                getline(fin1, str);
                for(string::iterator i=str.begin();i!=str.end();i++)
                        (*i)+=key;
                cout<<str<<endl;
                for(i=str.begin();i!=str.end();i++)
                        (*i)-=key;
                fout<<str<<endl;
                cout<<"-> "<<str<<endl;
        }

        fin1.close();
        fout.close();
        return 0;
}