1. Solution
Assignment 3
//A quiz game application that generates random number questions and calculates the
result and displays the total score.
#include"stdafx.h"
#include<iostream>
#include<conio.h>
#include<cstdlib>
#include<cstdlib>
#include<ctime>
usingnamespacestd;
void numgen (int, long, int&, int&);// function that generates 2 random numbers
char questgen ();//function to generate '+', '-' and '*' operators randomly
int _tmain(intargc, _TCHAR* argv[])
{
time_t start = 0;
time_t end = 0;
time_t elapsed = 0;
start = time(NULL);
intdif, ques,res=0,a=0,b=0;// initializing vairables
charopp;
intx,ans,temp;
cout<<"**************************WELCOME TO THE QUIZ
GAME**************************"<<endl;
cout<<endl;
cout<<"How many questions would you like to attempt?? "<<endl;
cin>>ques; //number of questions user would like to attempt
cout<<"Choose a difficulty level?? [1,2 or 3] "<<endl;
cin>>dif; //difficulty level of questions that user wud like to solve
if (dif == 1)
x = 6;
elseif ( dif == 2)
x = 70;
elseif (dif == 3)
x = 970;
for (int j = 0; j <ques; j++)
{
end = time(NULL);
elapsed = end - start;
numgen(x,elapsed,a,b); //calling function numgen
opp = questgen (); //calling fucntion quest gen
cout<<a<<opp<<b<<endl; //displaying question to user
cout<<"Answer is: ";
cin>>ans;//taking input answer from user
end = time(NULL);
elapsed = end - start;

2. if (opp =='+') //calculating the answer and saving the answer
temporarily to check whether user's answer is correct or not
{
temp = a + b;
if (temp == ans)
res = res + 1;
}
if (opp =='-')
{
temp = a - b;
if (temp == ans)
res = res + 1;
}
if (opp =='*')
{
temp = a * b;
if (temp == ans)
res = res + 1;
}
}
cout<<"Your Result Is: "<<res<<" Out Of "<<ques<<endl; //displaying result to user
cout<<endl;
cout<<"*********************THANKYOU FOR PLAYING**********************"<<endl;
getch();
return 0;
}
boid numgen (int x, long e, int& a, int& b)
{
a = rand () % x; //alloting random values to variable a and b
b = rand () % x;
a = a + e;
b = b + e;
if((a>x)&&(b>x))
{
while((a>x)&&(b>x))
{
a = rand () % x; //alloting random values to variable a and b
b = rand () % x;
a = (a * e) / (e-1); //used time to make questions vary for
everytime the user attempts the quiz
b = (b * e) / (e-1);
}
}
a=a;
b=b;
}

3. charquestgen ()//generates randomly whether a '+', a '-' or a '*' operator would be used
in the quiz question
{
int ran = 0;
charopp;
ran = rand () % 3;
switch (ran)
{
case 0:
opp = '-';
break;
case 1:
opp = '+';
break;
default:
opp = '*';
}
return opp;
}