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//Quiz.cpp, (c) 2008 QWERTYman (real name withheld)
#include <iostream>
#include <fac.h>
#include <cstdlib>
#include <ctime>
using namespace std;
int one, two, sol;
int wrong = 0;
int right = 0;
void add();
void sub();
void mult();
void div();
void avg();
int main()
{
extern int right;
int asmd;
char startag;
start:
clearer();
for(int i = 0; i < 10; i++){
srand( (unsigned)time(0) );
asmd = (rand()%5);
if(asmd == 0)
add();
else if(asmd == 1)
sub();
else if(asmd == 2)
mult();
else if(asmd == 3)
div();
else
avg();}
cin.get();
cout << "You got " << right << " right, and " << wrong << " wrong.\n";
do{
cout << "Restart? [y/n] ";
cin >> startag;
if(startag == 'y' || startag == 'Y')
goto start;
else
break;
}while(true);
cin.get();
return 0;
}
void add(){
extern int right;
srand( (unsigned)time(0) );
one = (rand()%999) + 1;
two = (rand()%999) + 1;
cout << "Problem " << wrong + right + 1 << ": " << one << " + " << two << " = ";
cin >> sol;
if(sol == one+two){
right++;
cout << "Correct!\n";}
else{
wrong++;
cout << "Sorry, the answer was " << one+two << ".\n";}
}
void sub(){
extern int right;
srand( (unsigned)time(0) );
one = (rand()%999) + 1;
two = (rand()%999) + 1;
if(one > two){
cout << "Problem " << wrong + right + 1 << ": " << one << " - " << two << " = ";
cin >> sol;
if(sol == one-two){
right++;
cout << "Correct!\n";}
else{
wrong++;
cout << "Sorry, the answer was " << one-two << ".\n";}}
else{
cout << "Problem " << wrong + right + 1 << ": " << two << " - " << one << " = ";
cin >> sol;
if(sol == two-one){
right++;
cout << "Correct!\n";}
else{
wrong++;
cout << "Sorry, the answer was" << two-one << ".\n";}}
}
void mult(){
extern int right;
srand( (unsigned)time(0) );
one = (rand()%50) + 1;
two = (rand()%50) + 1;
cout << "Problem " << wrong + right + 1 << ": " << one << " * " << two << " = ";
cin >> sol;
if(sol == one*two){
right++;
cout << "Correct!\n";}
else{
wrong++;
cout << "Sorry, the answer was " << one*two << ".\n";}
}
void div(){
extern int right;
srand( (unsigned)time(0) );
do{
one = (rand()%999) + 1;
two = (rand()%99) + 2;
}while(one%two != 0);
cout << "Problem " << wrong+right+1 << ": " << one << " / " << two << " = ";
cin >> sol;
if(sol == one/two){
right++;
cout << "Correct!\n";}
else{
wrong++;
cout << "Sorry, the answer was " << one+two << ".\n";}
}
void avg(){
extern int right;
srand( (unsigned)time(0) );
one = (rand()%100) + 1;
two = (rand()%100) + 1;
int thr = (rand()%100) + 1;
int four = (rand()%100) + 1;
int fiv = (rand()%100) + 1;
cout << "Problem " << wrong + right + 1 << ": Average of" << one << ", " << two << ", " << thr << ", " << four << " and " << fiv << " = ";
cin >> sol;
if(sol == (one+two+thr+four+fiv)/5){
right++;
cout << "Correct!\n";}
else{
wrong++;
cout << "Sorry, the answer was " << one*two << ".\n";}
}
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