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#include <iostream>
#include <string>
#include <sstream>
#include <cstdlib>
#include <vector>
#include <fstream>
#include <iomanip>
#include <windows.h>
#include <ctime>
using namespace std;
struct QuestionInfo
{
int category;
int level;
};
struct Question
{
QuestionInfo info;
string question;
string answer;
};
int opening();
void closing();
void clearConsole();
vector<Question> All_questions();
void RN(string a[10],int c,int l);
void RQ(string a[10],Question b[10]);
string normalize(string s);
void doquiz(int c,int l);
vector<Question> v=All_questions();
int main()
{
srand((unsigned)time(0));
string b[11];
int a;
Question q[11];
while (a!=2)
{
clearConsole();
a=opening();
closing();
}
}
void clearConsole()
{
if (system("CLS"))
system("clear");
};
vector<Question> All_questions()
{
Question q;
vector<Question> v;
string category,level;
string enter,info;
ifstream infile;
infile.open("database.txt");
while ( infile >> info)
{
istringstream iss(info);
getline(iss,category);
getline(iss,level);
getline(infile,q.question);
getline(infile,enter);
getline(infile,q.answer);
if(category=="general")
q.info.category=2;
if(category=="science")
q.info.category=3;
if(category=="geography")
q.info.category=4;
if(category=="sport")
q.info.category=5;
if(level=="easy")
q.info.level=1;
if(level=="medium")
q.info.level=2;
if(level=="hard")
q.info.level=3;
v.push_back(q);
}
infile.close();
return v;
}
void RN(string a[],vector<Question>& v,int c,int l)
{
int num,i,j,t,k[100];
vector<string> n;
if ((c==1) && (l!=0))
for (i=0;i<v.size();i++)
{
if (v[i].info.level==l)
n.push_back(v[i].info.size);
}
else if ((l==0) && (c!=1))
for (i=0;i<v.size();i++)
{
if (v[i].info.category==c)
n.push_back(v[i].info.category);
}
else
for (i=0;i<v.size();i++)
{
if (v[i].info.category==c && v[i].info.level==l)
n.push_back(v[i].info.level);
}
const int MIN = 1;
const int MAX = n.size();
i=0;
while (i<=10)
{
t=0;
num = MIN + rand() % MAX;
for (j=0;j<=i;j++)
if (n[num]==a[j])
{
t=1;
// break;
}
if (t==0)
{
a[i]=n[num];
i++;
}
}
}
void RQ(string a[10],Question b[10])
{
for (int i=0;i<10;i++)
{
b[i]=v[atoi(a[i].c_str())];
}
}
string normalize(string s)
{
string a;
for (int i=0;i<s.length();i++)
{
if(s[i]==' ')
{
if (s[i+1]!=' ')
a=a+' ';
}
else
{
char character = tolower(s[i]);
s[i] = character;
a=a+s[i];
}
}
if (a[0]==' ')
a.erase(a.begin()+0);
if (a[a.length()-1]==' ')
a.erase(a.length()-1);
return a;
}
void doquiz(int c,int l){
int score=0;
Question b[10];
string a[10],answer[10];
RN(a,c,l);
RQ(a,b);
cin.ignore(1);
for(int i=0;i<10;i++)
{
cout<<i+1<<". "<<b[i].question;
cout<<"Enter your answer: ";
getline(cin,answer[i]);
if (normalize(answer[i])==normalize(b[i].answer))
{
score++;
answer[i]=b[i].answer;
}
}
cout<<"\n\nYour score is " << score <<"/10 .\n";
cout<<"Your wrong answer: \n";
for(int i=0;i<10;i++)
if(answer[i]!=b[i].answer)
cout<<i+1<<". "<<answer[i] <<" / correct answer: "<<b[i].answer<<endl;
}
void closing()
{
cout<<setw(12)<<"\nThanks for using Quizme!!!";
//return 0;
}
int opening()
{
int a,b,c;
string q;
cout<<setw(20)<<"WELCOME TO QUIZME"<<endl;
cout<<setw(8)<<"\n\nWould you like to\n"<<"\n1. Do the quiz\n"<<"2. Quit"<<endl<<"Enter your choice: ";
cin>>a;
switch(a)
{
case 1:
{
cout<<setw(8)<<"\nChoose your category\n"<<"\n1. All category\n2. General\n3. Science\n4. Geography\n5. Sport\nEnter your choice: ";
cin>>b;
while (b<1 || b>5)
{
clearConsole();
cout<<setw(8)<<"\nChoose your category again:\n"<<"\n1. All category\n2. General\n3. Science\n4. Geography\n5. Sport\nEnter your choice: ";
cin>>b;
}
cout<<setw(8)<<"\nLevel:\n0. All level\n1. Easy\n2. Medium\n3. Hard\nEnter your choice: ";
cin>>c;
while (c<0 || c>3)
{
clearConsole();
cout<<setw(8)<<"\nChoose your level again:\n0. All level\n1. Easy\n2. Medium\n3. Hard\nEnter your choice: ";
cin>>c;
}
doquiz(b,c);
cout<< "\n Another QUIZ? \n y to continue, n to quit !";
cin>>q;
if (q=="n")
return 2;
else
return 1;
}
case 2:
{
return 2;
}
}
}
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