Cpp Project :quiz

 

Cpp Project :quiz

 

#include<iostream>

#include<stdlib.h>

#include<fstream>

using namespace std;

class contest

{

private:

    char roll[10];

    float x;

    char name[20];

    char s[100],ans;

public:

    contest()

    { x=0; };

    void init();

    void define();

    void display();

};

void  contest :: define()

{

   ifstream in;

   char a;

      int i=1;

   in.open("quiz.txt");

    while(in.eof()==0)

    {

    in.getline(s,100);

    cout<<endl<<s;

   if(i==5)

   {

   in.get(a);

   cout<<"\nans:";

    cin>>ans;

   i=-1;

    if(ans==a)

       {

       x=x+5;

       cout<<" *Your ans  correct.\n";

       }

    else

       {

       if(x>0)

        x=x-2.5;

       cout<<" # Wrong ans.\n";

       }

    }

    i++;

    }

   in.close();

}

     void contest :: init()

       {

     cout<<"\t\t\t   Examinee Name:";

     cin>>name;

     cout<<"\t\t\t   Examinee roll:";

     cin>>roll;

       }

     void contest :: display()

       {

     cout<<"\n **Result:\n";

     cout<<"\t"<<name<<" you got total "<<x<<" marks,out of 25.\n";

       }

int  main()

{

    contest r;

    system("color F9");

    cout<<"      \t\t\t~~~*** QUIZ CONTEST ***~~~\t      Total Marks:25\n\n";

    r.init();

    cout<<"\t*5 marks per Ques(half negative marking for wrong ans)";

       L:

    cout<<"\n\n\tselect your choice:\n"

        <<"\n\t1 for start exam:"

        <<"\n\t0 for quit the exam :";

       int c;

       cin>>c;

       switch(c)

       {

       case 1:

        r.define();

        r.display();

        break;

       case 0:

        exit(1);

       default:

        cout<<"invalid choice!";

        goto L;

       }

}