fork download

/*
    This program will take a file
    with the answers to a test
    and compare them to the
    answers a student got in
    another file.
*/
#include <iostream>
#include <fstream>
using namespace std;
 
const int SIZE = 20;    //global constant
 
int calcMissed()   //gets files to find student's incorrect answers
{
    ifstream answers;   //correct answers stored in this variable
    answers.open(correctanswers.txt);
    char cAnswers[SIZE] = {answers};  //stored into array for calculation
    ifstream student;   //student answers stored in this variable
    student.open(studentanswers.txt);
    char sAnswers[SIZE] = student;
 
    int incorrect = 0;
    for(int i = 0; i < 20; i++)
    {
        if(sAnswers[i] != cAnswers[i])
        {
            incorrect += 1;
        }
    }
    answers.close();
    student.close();
    return incorrect;
}
int calcCorrect();  //gets files to find student's correct answers
{
    ifstream answers;   //correct answers stored in this variable
    answers.open(correctanswers.txt);
    char cAnswers[SIZE] = answers;  //stored into array for calculation
    ifstream student;   //student answers stored in this variable
    student.open(studentanswers.txt);
    char sAnswers[SIZE] = student;
 
    int correct = 0;
    for(int i = 0; i < 20; i++)
    {
        if(sAnswers[i] == cAnswers[i])
        {
            correct += 1;
        }
    }
    answers.close();
    student.close();
    return correct;
}
int main()
{
    ifstream answers;   //correct answers stored in this variable
    answers.open(correctanswers.txt);
    char cAnswers[SIZE] = answers;  //stored into array for calculation
    ifstream student;   //student answers stored in this variable
    student.open(studentanswers.txt);
    char sAnswers[SIZE] = student;
 
    int correct[SIZE] = calcCorrect();
    int incorrect[SIZE] = calcMissed();
 
    cout << "The student got " << correct << " of the answers correct." << endl;
    cout << "The student got " << incorrect << " of the answers incorrect." << endl;
    cout << "#" << "\t" << "Correct Answer" << "\t" << "Student's Answer" << endl;
    for(int i = 0; i < SIZE; i++)
    {
        cout << (i + 1) << "\t" << correct[i] << "\t" << incorrect[i] << endl;
    }
    return 0;
}

prog.cpp: In function 'int calcMissed()':
prog.cpp:17:18: error: 'correctanswers' was not declared in this scope
     answers.open(correctanswers.txt);
                  ^
prog.cpp:18:35: error: invalid user-defined conversion from 'std::ifstream {aka std::basic_ifstream<char>}' to 'char' [-fpermissive]
     char cAnswers[SIZE] = {answers};  //stored into array for calculation
                                   ^
In file included from /usr/include/c++/4.9/ios:44:0,
                 from /usr/include/c++/4.9/ostream:38,
                 from /usr/include/c++/4.9/iostream:39,
                 from prog.cpp:8:
/usr/include/c++/4.9/bits/basic_ios.h:115:7: note: candidate is: std::basic_ios<_CharT, _Traits>::operator void*() const [with _CharT = char; _Traits = std::char_traits<char>] <near match>
       operator void*() const
       ^
/usr/include/c++/4.9/bits/basic_ios.h:115:7: note:   no known conversion from 'void*' to 'char'
prog.cpp:20:18: error: 'studentanswers' was not declared in this scope
     student.open(studentanswers.txt);
                  ^
prog.cpp:21:27: error: array must be initialized with a brace-enclosed initializer
     char sAnswers[SIZE] = student;
                           ^
prog.cpp: At global scope:
prog.cpp:36:1: error: expected unqualified-id before '{' token
 {
 ^

Standard output is empty