Loop problem

#include<fstream>
#include <iostream>
#include <cstdlib>

using namespace std;
const int SIZE=100;

int main()
{
    ifstream fin;
    ofstream fout;
    
    fin.open("input.txt");
    if(fin.fail())
    {
        cerr<<" Input file opening failed.\n";
        exit(1);
    }          


    fout.open("out1.txt");
    if(fout.fail())
    {
        cerr<<" output file opening failed.\n";
        exit(1);
    }    
    
    char name[SIZE]={0};     
    char key[20];// key of the test
    char test[20];// response of student
    char next;// char used to adjust see below
    
    // read key
    for(int i=0;i<20;i++)
    {
       fin>>key[i];
    }  
    // display   key
    for(int i=0;i<20;i++)
    {
       cout<<key[i];
    } 
    cout<<endl;    
    
    int index=0;
    int point=0;
    static int score=0; 
         
    while( fin)
    {
        fin.get(name,SIZE,'#');
        cout << name << endl;
        point=strlen(name);// check to kow where the file cursor is!
       
       
        fin.get(next);// adjust beginning student response array
        fin.get(next);
        
        fin.get(test,100,'\n');
        cout<<test;
        
        for(int i=0;i<20;i++)// score calculation
              {  
                  //code to compute score   
         
              }// end for

              cout<<" "<<score;
          
    }
    
    fin.close();
    fout.close();
    
    return 0;
}

while (!fin.eof())
{
     fin.get(test, 100, '\n');
     cout<<test<<endl;
}