Quiz game
this code is generates Assertion failure at line 33
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#include<iostream>
#include<fstream>
#include<string.h>
#include<stdlib.h>
#include<time.h>
using namespace std;
struct optn
{
char o[50];
};
class question
{
char que[500];
char ans[50];
optn options[6];
public:
char* retans()
{
return ans;
}
char putq();
};
char question::putq()
{
srand((unsigned) time(0));
optn choices[4];
for (int i = 0; i<4; i++)
{
strcpy_s(choices[i].o, options[rand() % 6].o);
}
for (int i = 0; i<4; i++)
{
for (int j = i + 1; j<4; j++)
{
if (choices[i].o == choices[j].o)
{
srand((unsigned) time(0));
strcpy_s(choices[j].o, options[rand() % 6].o);
i = 0;
break;
}
}
}
srand((unsigned) time(0));
int c = rand() % 4;
strcpy_s(choices[c].o, ans);
char cor;
switch (c)
{
case 0: cor = 'a'; break;
case 1: cor = 'b'; break;
case 2: cor = 'c'; break;
case 3: cor = 'd'; break;
}
cout << que << endl;
cout << "\nOptions : \n";
char t = 'a';
for (int i = 0; i<4; i++)
{
cout << t << ". " << choices[i].o<<'\t'; t++;
}
cout << "\nEnter your choice : ";
cin >> t;
if (t == cor)
{
cout << "\a\nYour answer is right!!! \n";
return 'r';
}
else
{
cout << "\a\nYour answer is wrong!!! \n";
return 'w';
}
}
int game();
// void highscore();
void about();
int main()
{
l: system("cls");
int mench, score;
cout << "****************Welcome to the quiz****************";
cout << "\n 1. Play Quiz \n";
cout << "\n 2. Add questions \n";
// cout<<"\n 3. High Score \n";
cout << "\n 4. About \n";
cout << "\nEnter your choice number or any other number to exit : ";
cin >> mench;
switch (mench)
{
case 1:score = game();
cout << "\aYour score is : " << score;
// cout<<"\nHigh Score : "<<highscore()<<endl;system("pause");break;
case 2: system("qpopulator.exe"); cout << endl; system("pause"); break;
// case 3: cout<<"\n\aHigh Score : "<<highscore();cout<<endl;system("pause");break;
case 4: about(); cout << endl; system("pause"); break;
}
goto l;
return 0;
}
int game()
{
int score = 0, qno = 1;
question q;
fstream fin("qlist.qaf", ios::binary | ios::in);
while (qno>-1)
{
cout << "\n\aQestion " << qno << " :\n";
fin.read((char *) &q, sizeof(q));
if (q.putq() == 'r')
{
score = qno * 10;
qno++;
continue;
}
else
{
cout << "\a\n YOUR ANSWER IS WRONG!!! GAME OVER!!!";
return score;
}
}
fin.close();
return score;
}
void about()
{
fstream filein("about.txt", ios::in);
char x[63];
while (!filein.eof())
{
filein.getline(x,63,'\n');
//filein >> x;
cout << x <<'\n';
}
}
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This assertion might be raised due to a lack of the terminating '\0'.
How is the data stored in "qlist.qaf"?
srand() should appear only once at the top of main if you want [pseudo] random numbers.
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