Code:
//Kynan Lalone
//Math Quiz
#include <iostream.h>
#include <ctype.h>
#include <stdlib.h>
#include <time.h>
#include <iomanip.h>
#include <fstream.h>
#include <string.h> // I added this since you are using strcmp()
//prototypes
void rand_num(char, short &, short &, char, short &); //See WARNING below
void neg_num_check(short &, short &, short &, char);
void problem_and_answer(short &, short &, char, short &, short &);
void cAdd_sub_input();
void correct_or_not(short, short, float &, float &);
void menu2(short, char &);
void teacher();
int main ()
{
short cGrade = 0;
short sMin_num = 0;
short sMax_num = 0;
short sTemp = 0;
char cAdd_sub = ' ';
short sUser_Answer = 0;
short sReal_Answer = 0;
short r = 0;
float fAnswers_right = (float) 0.0;
float fAnswers_wrong = (float) 0.0;
float fAnswers_percent = (float) 0.0;
float fAnswers_temp = (float) 0.0;
char fAnswers_grade = ' ';
float f10Questions_counter = (float) 0.0;
//input
cout << "Grade Number To Enter" << endl;
cout << "----- ---------------" << endl;
cout << "First 1 " << endl;
cout << "Second 2 " << endl;
cout << "Third 3 " << endl;
cout << "Fourth 4 " << endl;
cout << "Fifth 5 " << endl;
cout << "Sixth 6 " << endl;
cout << "Teacher 999 " << endl << endl;
cout << "Enter your grade number: ";
cin >> cGrade;
if (cGrade == 999)
teacher();
else
menu2(cGrade, cAdd_sub);
//FUNction time! - here were looping the questions and answers 10 times, all the while making new random numbers, checking for negitive numbers, giving a problem and ansewer and diplaying if its right or not.
for (short x=0; x < 10; x = x+1)
{
rand_num(cGrade, sMin_num, sMax_num, cAdd_sub, r); //WARNING: short to char conversion
neg_num_check(sMin_num, sMax_num, sTemp, cAdd_sub);
problem_and_answer(sMin_num, sMax_num, cAdd_sub, sUser_Answer, sReal_Answer);
correct_or_not(sUser_Answer, sReal_Answer, fAnswers_right, fAnswers_wrong);
cout << endl;
}
cout << "You have compleated all 10 questions." << endl << "You got " << fAnswers_right << " questions right and " << fAnswers_wrong << " answers wrong." << endl;
fAnswers_percent = (fAnswers_right / 10) * 100;
cout << setprecision(2) << setiosflags(ios :: fixed | ios :: showpoint);
cout << "You have " << fAnswers_percent << "%" << " ";
if (fAnswers_percent <= 100 && fAnswers_percent >=90)
fAnswers_grade = 'A';
if (fAnswers_percent < 90 && fAnswers_percent >=80)
fAnswers_grade = 'B';
if (fAnswers_percent < 80 && fAnswers_percent >=70)
fAnswers_grade = 'C';
if (fAnswers_percent < 70 && fAnswers_percent >=60)
fAnswers_grade = 'D';
if (fAnswers_percent <= 60 && fAnswers_percent >=0)
fAnswers_grade = 'F';
cout << "That is a " << fAnswers_grade << ".";
//counter used for the teacher.txt (counts how many 10 question tests were taken
f10Questions_counter++;
//sending the above answers correct (fAnswers_right) to a file which is used in the teacher menu in teacher()
ofstream outFile;
outFile.open("teacher.txt", ios::app);
outFile << fAnswers_right<<endl;
outFile.close();
return 0;
}
void menu2(short cGrade, char & cAdd_sub)
{
if (cGrade == 1)
{
cAdd_sub = 'A';
}
if (cGrade == 2)
{
cAdd_sub_input();
cout << "Enter the problem type: ";
cin >> cAdd_sub;
}
if (cGrade == 3)
{
cAdd_sub_input();
cout << "Multiplication M " << endl;
cout << "Enter the problem type: ";
cin >> cAdd_sub;
}
if (cGrade == 4)
{
cAdd_sub_input();
cout << "Multiplication M " << endl;
cout << "Enter the problem type: ";
cin >> cAdd_sub;
}
if (cGrade == 5)
{
cAdd_sub_input();
cout << "Multiplication M " << endl;
cout << "Divison D " << endl;
cout << "Enter the problem type: ";
cin >> cAdd_sub;
}
if (cGrade == 6)
{
cAdd_sub_input();
cout << "Multiplication M " << endl;
cout << "Divison D " << endl;
cout << "Enter the problem type: ";
cin >> cAdd_sub;
}
}
void correct_or_not(short sUser_Answer, short sReal_Answer, float & fAnswers_right, float & fAnswers_wrong)
{
if (sUser_Answer == sReal_Answer)
{
cout << endl << "Your answer was " << sUser_Answer << " and the correct answer was " << sReal_Answer << "." << endl;
cout << "Congratulations, You Are Correct!" << endl;
fAnswers_right = fAnswers_right + 1;
}
else
{
cout << endl << "Your answer was " << sUser_Answer << " and the correct answer was " << sReal_Answer << "." << endl;
cout << "Sorry, Better Luck Next Time!" << endl;
fAnswers_wrong = fAnswers_wrong + 1;
}
}
void cAdd_sub_input()
{
cout << "Problem Letter To Enter"<< endl;
cout << "----- ---------------" << endl;
cout << "Addition A " << endl;
cout << "Subtraction S " << endl;
}
void rand_num(char cGrade, short & sMin_num, short & sMax_num, char cAdd_sub, short & r)
{
//seed random numbers
srand(time(NULL));
if (toupper(cAdd_sub) == 'S' || toupper(cAdd_sub) == 'A')
{
if (cGrade == 1)
{
//define variables as random numbers between 1 and 10
sMin_num = 1 + rand() % (10 - 1 + 1);
sMax_num = 1 + rand() % (10 - 1 + 1);
}
else
{
//define variables as random numbers between 10 and 100
sMin_num = 1 + rand() % (100 - 1 + 1);
sMax_num = 1 + rand() % (100 - 1 + 1);
}
}
if (toupper(cAdd_sub) == 'M' || toupper(cAdd_sub) == 'D')
{
//define variables as random numbers between 0 AND 12
sMin_num = 1 + rand() % (12 - 1 + 1);
sMax_num = 1 + rand() % (12 - 11 + 1);
if (toupper(cAdd_sub) == 'D')
{
// get rid of the remainder
r = sMin_num % sMax_num;
sMax_num = sMax_num - r;
}
}
}
void neg_num_check(short & sMin_num, short & sMax_num, short & sTemp, char cAdd_sub)
{
//make sure there are no negitive answers
if (sMin_num < sMax_num && toupper(cAdd_sub) == 'S')
{
sTemp = sMin_num;
sMin_num = sMax_num;
sMax_num = sTemp;
}
}
void problem_and_answer(short & sMin_num, short & sMax_num, char cAdd_sub, short & sUser_Answer, short & sReal_Answer)
{
if (toupper(cAdd_sub) == 'A')
{
//display problem
cout << sMin_num << " + " << sMax_num << " = ";
cin >> sUser_Answer;
//do problem
sReal_Answer = sMin_num + sMax_num;
}
if (toupper(cAdd_sub) == 'S')
{
//display problem
cout << sMin_num << " - " << sMax_num << " = ";
cin >> sUser_Answer;
//do problem
sReal_Answer = sMin_num - sMax_num;
}
if (toupper(cAdd_sub) == 'M')
{
//display problem
cout << sMin_num << " * " << sMax_num << " = ";
cin >> sUser_Answer;
//do problem
sReal_Answer = sMin_num * sMax_num;
}
if (toupper(cAdd_sub) == 'D')
{
//display problem
cout << sMin_num << " / " << sMax_num << " = ";
cin >> sUser_Answer;
//do problem
sReal_Answer = sMin_num / sMax_num;
}
}
void teacher()
{
char cTpassword[14] = {' '};
short sTeacher_menu = 0;
short sTanswers_right = 0;
short sTanswers_accumlator = 0;
short sTanswers_counter = 0;
cout << "Enter your pre-determined password: ";
cin >> cTpassword;
if (strcmp(cTpassword, "gradecheck999") == 0)
{
cout << endl << "Operation Number to Enter" << endl;
cout << "--------- ---------------" << endl;
cout << "Class Average 1 " << endl;
cout << "Erase Class Average File 2 " << endl << endl;
cout << "Enter your choice: ";
cin >> sTeacher_menu;
if (sTeacher_menu == 1)
{
ifstream sendFile;
sendFile.open("teacher.txt");
if (!sendFile.fail())
{
sendFile>>sTanswers_right;
while(!sendFile.eof())
{
sTanswers_counter++;
sTanswers_accumlator = sTanswers_right + sTanswers_accumlator;
sendFile>>sTanswers_right;
}
}
sTanswers_accumlator = sTanswers_right + sTanswers_accumlator;
cout << endl << "Class Average " << sTanswers_accumlator / sTanswers_counter << endl;
sendFile.close();
}
if (sTeacher_menu == 2)
//erase the file
//somehow pause the program (press any key)
//go to main
main();
}
else
{
cout << "Wrong Password (remember, the password is case-sensitive)" << endl << endl;
main();
}
}
cpp help, not even the teacher can figure this out!
