它向我显示第86行和第1581行中的2个错误...如何删除 [英] Its showing me 2 error in line 86 and line 1581 ......how to remove
本文介绍了它向我显示第86行和第1581行中的2个错误...如何删除的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
// PROJECT COMPUTER QUIZ
/ INCLUDED HEADER FILES
#include <iostream.h>
#include <conio.h>
#include <dos.h>
#include <string.h>
#include <fstream.h>
#include <process.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
// CLASS NAME : lines
// DETAILS : IT CONTROLS FUNCTIONS RELATED TO DRAW
// LINES, BOXES, ETC.
class lines
{
public :
void line_hor (int, int, int, char) ;
void line_ver (int, int, int, char) ;
void box (int,int,int,int,char) ;
} ;
// CLASS NAME : menu
// DETAILS : IT CONTROLS OVER ALL FUNCTIONING OF PROJECT
class menu
{
public :
void main_menu(void) ;
char *sub_menu(void) ;
void start(void) ;
private :
void edit_menu(void) ;
} ;
CLASS NAME : quiz
// DETAILS : IT CONTROLS OVER ALL THE FUNCTIONS
// RELATED TO QUIZ
class quiz
{
public :
void play(char filename[13]) ;
void add(char filename[13]) ;
void deletion(char filename[13]) ;
void modify(char filename[13]) ;
private :
void delete_record(char filename[13], int) ;
void modify_record(char filename[13], int) ;
void display_score(char name[20], int, int) ;
int recordno(char filename[13], int) ;
int record_count(char filename[13]) ;
int found_record(char filename[13], int) ;
void display_record(char filename[13], int) ;
int ques_no ;
char ques[60] ;
char ans1[50] ;
char ans2[50] ;
char ans3[50] ;
char sol ;
} ;
// CLASS NAME : lines
// FUNCTION NAME : line_hor
// DETAILS : IT ACCEPTS THE ROWS AND COLUMNS AND
// DRAW THE HORIZONTAL LINE
void lines :: line_hor(int column1, int column2, int row, char c)
{
for ( column1; column1<=column2; column1++ )
{
gotoxy(column1,row) ;
cout <<c ;
}
}
// CLASS NAME : lines
// FUNCTION NAME : line_ver
// DETAILS : IT ACCEPTS THE ROWS AND COLUMNS AND
// DRAW THE VERTICAL LINE
void lines :: line_ver(int row1, int row2, int column, char c)
{
for ( row1; row1<=row2; row1++ )
{
gotoxy(column,row1) ;
cout <<c ;
}
// CLASS NAME : lines
// FUNCTION NAME : box
// DETAILS : IT ACCEPTS THE ROWS AND COLUMNS AND
// DRAW THE BOX
void lines :: box(int column1, int row1, int column2, int row2, char c)
{ char ch=218 ;
char c1, c2, c3, c4 ;
char l1=196, l2=179 ;
if (c == ch)
{
c1 = 218 ;
c2 = 191 ;
c3 = 192 ;
c4 = 217 ;
l1 = 196 ;
l2 = 179 ;
}
else
{
c1 = c ;
c2 = c ;
c3 = c ;
c4 = c ;
l1 = c ;
l2 = c ;
}
gotoxy(column1,row1) ;
cout <<c1 ;
gotoxy(column2,row1) ;
cout <<c2 ;
gotoxy(column1,row2) ;
cout <<c3 ;
gotoxy(column2,row2) ;
cout <<c4 ;
column1++ ;
column2-- ;
line_hor(column1,column2,row1,l1) ;
line_hor(column1,column2,row2,l1) ;
column1-- ;
column2++ ;
row1++ ;
row2-- ;
line_ver(row1,row2,column1,l2) ;
line_ver(row1,row2,column2,l2) ;
}
// CLASS NAME : menu
// FUNCTION NAME : start
// DETAILS : IT CREATES THE OPENING SCREEN
void menu :: start(void)
{
lines line ;
textmode(C40) ;
clrscr() ;
textbackground(LIGHTCYAN);
textcolor(BLACK) ;
clrscr() ;
gotoxy(8,12) ;
cout <<"C O M P U T E R" ;
gotoxy(25,12) ;
cout <<"Q U I Z" ;
line.box(4,10,36,14,219) ;
gotoxy(5,21);
cout<<"MADE BY :";
gotoxy(5,22);
cout<<"Author & Her Team";
line.box(2,19,40,24,219);
gotoxy(4,10);
getch() ;
textbackground(BLACK) ;
textcolor(LIGHTGRAY) ;
clrscr() ;
}
// CLASS NAME : menu
// FUNCTION NAME : main_menu
// DETAILS : IT CREATES THE MAIN MENU TO CONTROL
// ALL THE FUNCTIONS
void menu :: main_menu(void)
{ lines line ;
textmode(C40) ;
clrscr ;
int valid ;
int n = 4 ;
int x = 14 ;
char ch1, ch2 ;
char chr1=219, chr=175 ;
do
{
line.box (1,1,39,25,219) ;
line.line_hor(9,31,6,196) ;
line.box (8,3,32,20,218) ;
char c1=24, c2=25 ;
gotoxy(3,24) ;
cout <<c1 ;
cout <<c2 ;
cout <<"=Move <enter>=Select <esc>=Exit" ;
gotoxy(13,5) ;
cout <<chr1 ;
textbackground(WHITE) ;
textcolor(BLACK) ;
gotoxy(14,5) ;
cprintf("Q U I Z ") ;
textbackground(BLACK) ;
textcolor(LIGHTGRAY) ;
gotoxy(14,8) ;
cout <<"OPTIONS" ;
gotoxy(14,9) ;
cout <<"-------" ;
gotoxy(14,11) ;
cout <<"PLAY" ;
gotoxy(14,12) ;
cout <<"ADD QUESTIONS" ;
gotoxy(14,13) ;
cout <<"EDIT" ;
gotoxy(14,14) ;
cout <<"QUIT" ;
gotoxy(10,x) ;
cout <<chr ;
gotoxy(13,5) ;
do
{
do
{
do
{
ch1 = getch() ;
if ( ch1 == 27 )
{
textmode(C80) ;
clrscr() ;
exit(0) ;
}
} while (( ch1 != 0 ) && ( ch1 != 13 )) ;
if ( ch1 != 13 )
{
do
{
ch2 = getch() ;
if ( ch2 == 27 )
{
textmode(C80) ;
clrscr() ;
exit(0) ;
}
} while (( ch2 != 72 ) && ( ch2 != 80 ) && ( ch2 != 13 )) ;
}
} while ((( ch1 != 0 ) || (( ch2 != 72 ) && ( ch2 != 80 ))) && (( ch1 != 13 ) && ( ch2 != 13 ))) ;
if (( ch1 == 0 ) && ( ch2 == 80 ))
{
gotoxy(10,x) ;
cout <<" " ;
if (n == 4)
{
n = 1 ;
x = x - 3 ;
}
else
{
n = n + 1 ;
x = x + 1 ;
}
gotoxy(10,x) ;
cout <<chr ;
gotoxy(13,5) ;
sound(200) ;
delay(30) ;
nosound() ;
}
if (( ch1 == 0 ) && ( ch2 == 72 ))
{
gotoxy(10,x) ;
cout <<" " ;
if ( n == 1 )
{
n = 4 ;
x = x + 3 ;
}
else
{
n = n - 1 ;
x = x - 1 ;
}
gotoxy(10,x) ;
cout <<chr ;
gotoxy(13,5) ;
sound(200) ;
delay(30) ;
nosound() ;
}
} while (( ch1 != 13 ) && ( ch2 != 13 )) ;
if (n == 1)
{
char filename[13] ;
strcpy(filename,sub_menu()) ;
if (strcmp(filename,"null"))
{
quiz q ;
q.play(filename) ;
clrscr() ;
}
}
if (n == 2)
{
char filename[13] ;
strcpy(filename,sub_menu()) ;
if (strcmp(filename,"null"))
{
textmode(C80) ;
clrscr() ;
quiz q ;
q.add(filename) ;
textmode(C40) ;
clrscr() ;
}
}
if (n == 3)
edit_menu() ;
} while ( n != 4 ) ;
textmode(C80) ;
clrscr() ;
}
// CLASS NAME : menu
// FUNCTION NAME : edit_menu
// DETAILS : IT CREATES THE EDIT MAIN MENU
void menu :: edit_menu(void)
{
lines line ;
int valid ;
static int n = 3 ;
static int x = 19 ;
char ch1, ch2 ;
char chr1=219, chr=175 ;
do
{
line.box(19,14,31,20,218) ;
gotoxy(21,15) ;
cout <<chr1 ;
textbackground(WHITE) ;
textcolor(BLACK) ;
gotoxy(22,15) ;
cprintf("E D I T ") ;
textbackground(BLACK) ;
textcolor(LIGHTGRAY) ;
gotoxy(23,17) ;
cout <<"DELETE" ;
gotoxy(23,18) ;
cout <<"MODIFY" ;
gotoxy(23,19) ;
cout <<"RETURN" ;
gotoxy(20,x) ;
cout <<chr ;
gotoxy(21,15) ;
do
{
do
{
do
{
ch1 = getch() ;
if ( ch1 == 27 )
{
gotoxy(1,15) ; clreol() ;
gotoxy(1,17) ; clreol() ;
gotoxy(1,18) ; clreol() ;
gotoxy(1,19) ; clreol() ;
gotoxy(1,20) ; clreol() ;
gotoxy(19,14) ; clreol() ;
return ;
}
} while (( ch1 != 0 ) && ( ch1 != 13 )) ;
if ( ch1 != 13 )
{
do
{
ch2 = getch() ;
if ( ch2 == 27 )
{
gotoxy(1,15) ; clreol() ;
gotoxy(1,17) ; clreol() ;
gotoxy(1,18) ; clreol() ;
gotoxy(1,19) ; clreol() ;
gotoxy(1,20) ; clreol() ;
gotoxy(19,14) ; clreol() ;
return ;
}
} while (( ch2 != 72 ) && ( ch2 != 80 ) && ( ch2 != 13 )) ;
}
} while ((( ch1 != 0 ) || (( ch2 != 72 ) && ( ch2 != 80 ))) && (( ch1 != 13 ) && ( ch2 != 13 ))) ;
if (( ch1 == 0 ) && ( ch2 == 80 ))
{
gotoxy(20,x) ;
cout <<" " ;
if (n == 3)
{
n = 1 ;
x = x - 2 ;
}
else
{
n = n + 1 ;
x = x + 1 ;
}
gotoxy(20,x) ;
cout <<chr ;
gotoxy(21,15) ;
sound(200) ;
delay(30) ;
nosound() ;
}
if (( ch1 == 0 ) && ( ch2 == 72 ))
{
gotoxy(20,x) ;
cout <<" " ;
if ( n == 1 )
{
n = 3 ;
x = x + 2 ;
}
else
{
n = n - 1 ;
x = x - 1 ;
}
gotoxy(20,x) ;
cout <<chr ;
gotoxy(21,15) ;
sound(200) ;
delay(30) ;
nosound() ;
}
} while (( ch1 != 13 ) && ( ch2 != 13 )) ;
if (n == 1)
{
char filename[13] ;
strcpy(filename,sub_menu()) ;
if (strcmp(filename,"null"))
{
textmode(C80) ;
clrscr() ;
quiz q ;
q.deletion(filename) ;
textmode(C40) ;
clrscr() ;
return ;
}
clrscr() ;
return ;
}
else
if (n == 2)
{
char filename[13] ;
strcpy(filename,sub_menu()) ;
if (strcmp(filename,"null"))
{
textmode(C80) ;
clrscr() ;
quiz q ;
q.modify(filename) ;
textmode(C40) ;
clrscr() ;
return ;
}
clrscr() ;
return ;
}
} while ( n != 3 ) ;
gotoxy(1,15) ; clreol() ;
gotoxy(1,17) ; clreol() ;
gotoxy(1,18) ; clreol() ;
gotoxy(1,19) ; clreol() ;
gotoxy(1,20) ; clreol() ;
gotoxy(19,14) ; clreol() ;
}
// CLASS NAME : menu
// FUNCTION NAME : sub_menu
// DETAILS : IT CREATES THE SUB MAIN MENU AND
// RETURN FILE NAME
char *menu :: sub_menu(void)
{
lines line ;
clrscr() ;
int valid ;
static int n = 1 ;
static int x = 10 ;
char ch1, ch2 ;
char chr1=219, chr=175 ;
line.box(1,1,39,25,219) ;
line.line_hor(2,38,23,196) ;
char c1=24, c2=25 ;
gotoxy(3,24) ;
cout <<c1 ;
cout <<c2 ;
cout <<"=Move <enter>=Select <esc>=Exit" ;
gotoxy(13,6) ;
cout <<chr1 ;
textbackground(WHITE) ;
textcolor(BLACK) ;
gotoxy(14,6) ;
cprintf("S U B - M E N U ") ;
textbackground(BLACK) ;
textcolor(LIGHTGRAY) ;
line.box(11,5,31,7,218) ;
gotoxy(14,10) ;
cout <<"COMPUTERS" ;
gotoxy(14,12) ;
cout <<"MATHEMATICS" ;
gotoxy(14,14) ;
cout <<"SCIENCE" ;
gotoxy(14,16) ;
cout <<"GENERAL" ;
gotoxy(14,18) ;
cout <<"RETURN" ;
gotoxy(12,x) ;
cout <<chr ;
gotoxy(13,6) ;
do
{
do
{
do
{
ch1 = getch() ;
if ( ch1 == 27 )
{
clrscr() ;
return("null") ;
}
} while (( ch1 != 0 ) && ( ch1 != 13 )) ;
if ( ch1 != 13 )
{
do
{
ch2 = getch() ;
if ( ch2 == 27 )
{
clrscr() ;
return("null") ;
}
} while (( ch2 != 72 ) && ( ch2 != 80 ) && ( ch2 != 13 )) ;
}
} while ((( ch1 != 0 ) || (( ch2 != 72 ) && ( ch2 != 80 ))) && (( ch1 != 13 ) && ( ch2 != 13 ))) ;
if (( ch1 == 0 ) && ( ch2 == 80 ))
{
gotoxy(12,x) ;
cout <<" " ;
if (n == 5)
{
n = 1 ;
x = x - 8 ;
}
else
{
n = n + 1 ;
x = x + 2 ;
}
gotoxy(12,x) ;
cout <<chr ;
gotoxy(13,6) ;
sound(200) ;
delay(30) ;
nosound() ;
}
if (( ch1 == 0 ) && ( ch2 == 72 ))
{
gotoxy(12,x) ;
cout <<" " ;
if ( n == 1 )
{
n = 5 ;
x = x + 8 ;
}
else
{
n = n - 1 ;
x = x - 2 ;
}
gotoxy(12,x) ;
cout <<chr ;
gotoxy(13,6) ;
sound(200) ;
delay(30) ;
nosound() ;
}
} while (( ch1 != 13 ) && ( ch2 != 13 )) ;
clrscr() ;
if (n == 1)
return("computer.dat") ;
else
if (n == 2)
return("maths.dat") ;
else
if (n == 3)
return("science.dat") ;
else
if (n == 4)
return("general.dat") ;
return("null") ;
}
// CLASS NAME : quiz
// FUNCTION NAME : record_count
// DETAILS : IT RETURNS THE NO. OF RECORD IN THE
// GIVEN FILE
int quiz :: record_count(char filename[13])
{
fstream file ;
file.open(filename, ios::in) ;
file.seekg(0,ios::beg) ;
int t=0 ;
while (file.read((char *) this, sizeof(quiz)))
t++ ;
file.close() ;
return t ;
}
// CLASS NAME : quiz
// FUNCTION NAME : add
// DETAILS : IT ADDS THE RECORDS IN THE GIVEN FILE
void quiz :: add(char filename[13])
{
lines line ;
int valid ;
int t_ques_no ;
t_ques_no = record_count(filename) ;
t_ques_no++ ;
if (t_ques_no == 1)
{
ques_no = t_ques_no ;
strcpy(ques,"abc") ;
strcpy(ans1,"-") ;
strcpy(ans2,"-") ;
strcpy(ans3,"-") ;
sol = '0' ;
fstream file ;
file.open(filename, ios::out | ios::app ) ;
file.write((char *) this, sizeof(quiz)) ;
file.close() ;
delete_record(filename,t_ques_no) ;
}
char ch ;
do
{
clrscr() ;
line.box(1,1,79,23,218) ;
gotoxy(3,5) ;
cout <<"question # " <<t_ques_no ;
gotoxy(3,8) ;
cout <<"question : " ;
gotoxy(3,10) ;
cout <<"answer 1 : " ;
gotoxy(3,12) ;
cout <<"answer 2 : " ;
gotoxy(3,14) ;
cout <<"answer 3 : " ;
gotoxy(3,16) ;
cout <<"solution : " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(1,25) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER QUESTION" ;
gotoxy(14,8) ;
gets(ques) ;
strupr(ques) ;
if (ques[0] == '0')
return ;
if (strlen(ques) > 159 || strlen(ques) == 0)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT BE BLANK OR GREATER THAN 159" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,8) ; clreol() ;
}
} while ( !valid ) ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(1,25) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER ANSWER FOR THE QUESTION" ;
gotoxy(14,10) ;
gets(ans1) ;
strupr(ans1) ;
if (ans1[0] == '0')
return ;
if (strlen(ans1) > 49)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT GREATER THAN 49" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,10) ; clreol() ;
}
} while ( !valid ) ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(1,25) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER ANSWER FOR THE QUESTION" ;
gotoxy(14,12) ;
gets(ans2) ;
strupr(ans2) ;
if (ans2[0] == '0')
return ;
if (strlen(ans2) > 49)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT GREATER THAN 49" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,12) ; clreol() ;
}
} while ( !valid ) ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(1,25) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER ANSWER FOR THE QUESTION" ;
gotoxy(14,14) ;
gets(ans3) ;
strupr(ans3) ;
if (ans3[0] == '0')
return ;
if (strlen(ans3) > 49)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT GREATER THAN 49" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,14) ; clreol() ;
}
} while ( !valid ) ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(1,25) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER CORRECT SOLUTION FOR THE QUESTION (1/2/3)" ;
gotoxy(14,16) ;
sol = getche() ;
if (sol == '0')
return ;
if (sol != '1' && sol != '2' && sol != '3')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(14,16) ; clreol() ;
}
} while ( !valid ) ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,19) ;
cout <<"Do you want to save the record (y/n) : " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(42,19) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(42,19) ; clreol() ;
}
} while ( !valid ) ;
if (ch == 'Y')
{
ques_no = t_ques_no ;
fstream file ;
file.open(filename, ios::app ) ;
file.write((char *) this, sizeof(quiz)) ;
file.close() ;
t_ques_no++ ;
}
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,21) ;
cout <<"Do you want to add more questions (y/n) : " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(45,21) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(45,21) ; clreol() ;
}
} while ( !valid ) ;
} while (ch == 'Y’);
// CLASS NAME : quiz
// FUNCTION NAME : found_record
// DETAILS : IT SEARCH THE GIVEN RECORDS IN THE
// GIVEN FILE AND RETURN 0 IF NOT FOUND
int quiz :: found_record(char filename[13], int t_ques_no)
{
fstream file ;
file.open(filename, ios::in) ;
file.seekg(0,ios::beg) ;
int found=0 ;
while (file.read((char *) this, sizeof(quiz)))
{
if (t_ques_no == ques_no)
{
found++ ;
break ;
}
}
file.close() ;
return found ;
}
// CLASS NAME : quiz
// FUNCTION NAME : display_record
// DETAILS : IT DISPLAY THE RECORD FOR THE GIVEN
// QUESTION NO. FROM THE GIVEN FILE
void quiz :: display_record(char filename[13], int t_ques_no)
{
fstream file ;
file.open(filename, ios::in) ;
file.seekg(0,ios::beg) ;
while (file.read((char *) this, sizeof(quiz)))
{
if (t_ques_no == ques_no)
{
gotoxy(3,3) ;
cout <<"question # " <<t_ques_no ;
gotoxy(3,7) ;
cout <<"question : " <<ques ;
gotoxy(3,8) ;
cout <<"answer 1 : " <<ans1 ;
gotoxy(3,9) ;
cout <<"answer 2 : " <<ans2 ;
gotoxy(3,10) ;
cout <<"answer 3 : " <<ans3 ;
break ;
}
}
file.close() ;
}
// CLASS NAME : quiz
// FUNCTION NAME : delete_record
// DETAILS : IT DELETE THE RECORD FOR THE GIVEN
// QUESTION NO. FROM THE GIVEN FILE
void quiz :: delete_record(char filename[13], int t_ques_no)
{
fstream file ;
file.open(filename, ios::in) ;
fstream temp ;
temp.open("temp.dat", ios::out) ;
file.seekg(0,ios::beg) ;
while (!file.eof())
{
file.read((char *) this, sizeof(quiz)) ;
if ( file.eof() )
break ;
if (ques_no != t_ques_no)
temp.write((char *) this, sizeof(quiz)) ;
}
file.close() ;
temp.close() ;
file.open(filename, ios::out) ;
temp.open("temp.dat", ios::in) ;
temp.seekg(0,ios::beg) ;
t_ques_no = 1 ;
while (!temp.eof())
{
temp.read((char *) this, sizeof(quiz)) ;
ques_no = t_ques_no ;
if (temp.eof())
break ;
file.write((char *) this, sizeof(quiz)) ;
t_ques_no++ ;
}
file.close() ;
temp.close() ;
}
// CLASS NAME : quiz
// FUNCTION NAME : deletion
// DETAILS : IT GIVE THE QUESTION NO. TO DELETE
// RECORD FROM THE GIVEN FILE
void quiz :: deletion(char filename[13])
{ lines line ;
clrscr() ;
int valid ;
int t_ques_no=0, t;
char t1_ques_no[5] ;
char ch ;
line.box(1,1,79,23,218) ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,3) ;
cout <<"Enter question no. to be deleted : " ;
do
{
gotoxy(38,3) ;
gets(t1_ques_no) ;
} while (strlen(t1_ques_no) == 0) ;
t = atoi(t1_ques_no) ;
t_ques_no = t ;
if (t1_ques_no[0] == '0')
return ;
if (!found_record(filename,t_ques_no))
{
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(3,15) ;
cout <<"question not found" ;
line.line_hor(1,79,24,196) ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
return ;
}
clrscr() ;
line.box(1,1,79,23,218) ;
display_record(filename,t_ques_no) ;
gotoxy(3,12) ;
cout <<"Do you want to delete this Record (y/n) : " ;
do
{
valid = 1 ;
gotoxy(45,12) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(45,10) ; clreol() ;
}
} while (!valid ) ;
if (ch == 'N')
return ;
gotoxy(1,25) ;
cout <<"Wait..." ;
delete_record(filename,t_ques_no) ;
clrscr() ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(3,14) ;
cout <<"Record Deleted" ;
line.line_hor(1,79,24,196) ;
gotoxy(1,25) ;
cout <<"Press any key to continue...." ;
getch() ;
}
// CLASS NAME : quiz
// FUNCTION NAME : modify_record
// DETAILS : IT MODIFY THE RECORD FOR THE GIVEN
// QUESTION NO. FROM THE GIVEN FILE
void quiz :: modify_record(char filename[13], int t_ques_no)
{
lines line ;
int valid, modified=0 ;
char ch ;
line.line_hor(2,78,12,196) ;
line.box(1,1,79,23,218) ;
gotoxy(3,14) ;
cout <<"QUESTION # " <<t_ques_no ;
gotoxy(3,16) ;
cout <<"QUESTION : " ;
gotoxy(3,17) ;
cout <<"ANSWER 1 : " ;
gotoxy(3,18) ;
cout <<"ANSWER 2 : " ;
gotoxy(3,19) ;
cout <<"ANSWER 3 : " ;
gotoxy(3,20) ;
cout <<"SOLUTION : " ;
gotoxy(1,25) ; clreol() ;
line.line_hor(1,79,23,196) ;
gotoxy(14,16) ;
cout <<"Change (y/n) " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(28,16) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(28,16) ; clreol() ;
}
} while (!valid) ;
valid = 0 ;
while (!valid && ch == 'Y')
{
line.box(1,1,79,23,218) ;
modified = 1 ;
valid = 1 ;
gotoxy(14,16) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER QUESTION" ;
gotoxy(14,16) ;
gets(ques) ;
strupr(ques) ;
if (ques[0] == '0')
return ;
if (strlen(ques) >159 || strlen(ques) == 0)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT BLANK OR GREATER THAN 159" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,16) ; clreol() ;
}
}
gotoxy(1,25) ; clreol() ;
gotoxy(14,17) ;
cout <<"Change (y/n) " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(28,17) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(28,17) ; clreol() ;
}
} while (!valid) ;
valid = 0 ;
while (!valid && ch == 'Y')
{
line.box(1,1,79,23,218) ;
modified = 1 ;
valid = 1 ;
gotoxy(13,17) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER ANSWER FOR THE QUESTION" ;
gotoxy(14,17) ;
gets(ans1) ;
strupr(ans1) ;
if (ans1[0] == '0')
return ;
if (strlen(ans1) > 49)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT GREATER THAN 49" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,17) ; clreol() ;
}
}
gotoxy(1,25) ; clreol() ;
gotoxy(14,18) ;
cout <<"Change (y/n) " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(28,18) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(28,18) ; clreol() ;
}
} while (!valid) ;
valid = 0 ;
while (!valid && ch == 'Y')
{
line.box(1,1,79,23,218) ;
modified = 1 ;
valid = 1 ;
gotoxy(14,18) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER ANSWER FOR THE QUESTION" ;
gotoxy(14,18) ;
gets(ans2) ;
strupr(ans2) ;
if (ans2[0] == '0')
return ;
if (strlen(ans2) > 49)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT GREATER THAN 49" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,18) ; clreol() ;
}
}
gotoxy(1,25) ; clreol() ;
gotoxy(14,19) ;
cout <<"Change (y/n) " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(28,19) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(28,19) ; clreol() ;
}
} while (!valid) ;
valid = 0 ;
while (!valid && ch == 'Y')
{
line.box(1,1,79,23,218) ;
modified = 1 ;
valid = 1 ;
gotoxy(14,19) ; clreol() ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER ANSWER FOR THE QUESTION" ;
gotoxy(14,19) ;
gets(ans3) ;
strupr(ans3) ;
if (ans3[0] == '0')
return ;
if (strlen(ans3) > 49)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ;
cout <<"LENGTH SHOULD NOT GREATER THAN 49" ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,25) ; clreol() ;
gotoxy(14,19) ; clreol() ;
}
}
if (!modified)
return ;
do
{
line.box(1,1,79,23,218) ;
gotoxy(1,25) ; clreol() ;
valid = 1 ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,25) ;
cout <<"ENTER CORRECT SOLUTION FOR THE QUESTION (1/2/3)" ;
gotoxy(14,20) ;
sol = getche() ;
if (sol == '0')
return ;
if (sol != '1' && sol != '2' && sol != '3')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(14,20) ; clreol() ;
}
} while (!valid) ;
gotoxy(1,25) ; clreol() ;
gotoxy(1,24) ; clreol() ;
gotoxy(1,22) ;
cout <<"Do you want to save the record (y/n) : " ;
do
{
line.box(1,1,79,23,218) ;
valid = 1 ;
gotoxy(41,22) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(41,22) ; clreol() ;
}
} while ( !valid ) ;
if (ch == 'N')
return ;
fstream file ;
file.open(filename, ios::out | ios::ate) ;
int recno ;
recno = t_ques_no ;
int location ;
location = (recno-1) * sizeof(quiz) ;
file.seekp(location) ;
file.write((char *) this, sizeof(quiz)) ;
file.close() ;
clrscr() ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(1,14) ;
cout <<"Record Modified" ;
line.line_hor(1,79,24,196) ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
}
// CLASS NAME : quiz
// FUNCTION NAME : modify
// DETAILS : IT GIVE THE QUESTION NO. TO MODIFY
// RECORD FROM THE GIVEN FILE
void quiz :: modify(char filename[13])
{
lines line ;
clrscr() ;
int valid ;
int t_ques_no=0, t;
char t1_ques_no[5] ;
char ch ;
line.box(1,1,79,23,218) ;
gotoxy(72,25) ;
cout <<"<0>=EXIT" ;
gotoxy(3,3) ;
cout <<"Enter question no. to be modify : " ;
do
{
gotoxy(38,3) ;
gets(t1_ques_no) ;
} while (strlen(t1_ques_no) == 0) ;
t = atoi(t1_ques_no) ;
t_ques_no = t ;
if (t1_ques_no[0] == '0')
return ;
if (!found_record(filename,t_ques_no))
{
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(3,15) ;
cout <<"question not found" ;
line.line_hor(2,78,24,196) ;
gotoxy(1,25) ;
cout <<"Press any key to continue..." ;
getch() ;
return ;
}
clrscr() ;
display_record(filename,t_ques_no) ;
gotoxy(3,12) ;
cout <<"Do you want to modify this Record (y/n) : " ;
do
{
valid = 1 ;
gotoxy(45,12) ;
ch = getche() ;
ch = toupper(ch) ;
if (ch != 'Y' && ch != 'N')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(45,10) ; clreol() ;
}
} while (!valid ) ;
if (ch == 'N')
return ;
modify_record(filename,t_ques_no) ;
}
// CLASS NAME : quiz
// FUNCTION NAME : display_score
// DETAILS : IT DISPLAY THE SCORE FOR THE GIVEN
// PLAYER'S NAME
void quiz :: display_score(char name[20], int played, int correct)
{
clrscr() ;
lines line ;
line.box(1,1,39,25,218) ;
line.box(2,2,38,24,219) ;
textbackground(WHITE) ;
textcolor(BLACK+BLINK) ;
gotoxy(5,4) ;
cprintf(" ") ;
gotoxy(9,4) ;
cprintf("S C O R E B O A R D") ;
textbackground(BLACK) ;
textcolor(LIGHTGRAY) ;
gotoxy(5,7) ;
cout <<"Player's Name : " <<name ;
gotoxy(5,9) ;
cout <<"questions Attempted : " <<played ;
gotoxy(5,11) ;
cout <<"Correct answer : " <<correct ;
gotoxy(5,13) ;
cout <<"Wrong answer : " <<played-correct ;
int score ;
score = correct * 10 ;
gotoxy(5,16) ;
cout <<"Score : " <<score ;
int tplayed ;
tplayed = played * 10 ;
float percentage ;
percentage = ((score*100)/tplayed) ;
gotoxy(5,18) ;
cout <<"Percentage : " <<percentage ;
getch() ;
}
// CLASS NAME : quiz
// FUNCTION NAME : play
// DETAILS : IT CREATES SCREEN FOR PLAYING QUIZ
// TO THE PLAYER FOR THE GIVEN FILE NAME
// AND KEEP SCORE.
void quiz :: play(char filename[13])
{
clrscr() ;
int valid ;
lines line ;
char name[20] ;
gotoxy(3,3) ;
cout <<"Enter your name : " ;
do
{
line.box(1,1,39,25,219) ;
valid = 1 ;
gotoxy(30,24) ;
cout <<"<0>=EXIT" ;
gotoxy(21,3) ;
gets(name) ;
strupr(name) ;
if (name[0] == '0')
return ;
if (strlen(name) > 18)
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(30,24) ;
cout <<" " ;
gotoxy(3,23) ;
cout <<"LENGTH SHOULD NOT GREATER THAN 18" ;
gotoxy(3,24) ;
cout <<"Press any key to continue..." ;
getch() ;
gotoxy(3,23) ;
cout <<" " ;
gotoxy(3,24) ;
cout <<" " ;
gotoxy(21,3) ;
cout <<" " ;
}
} while ( !valid ) ;
char t_sol, ch ;
int correct=0, played=0 ;
fstream file ;
file.open(filename,ios::in) ;
file.seekg(0,ios::beg) ;
while (file.read((char *) this, sizeof(quiz)))
{
clrscr() ;
line.box(1,1,39,25,219) ;
gotoxy(25,3) ;
cout <<"SCORE:" <<correct*10 ;
valid = 1 ;
gotoxy(28,24) ;
cout <<"<esc>=Exit" ;
gotoxy(3,4) ;
cout <<"question # " <<ques_no ;
gotoxy(3,6) ;
cout <<"question : " <<ques ;
gotoxy(3,10) ;
cout <<"answer 1 : " <<ans1 ;
gotoxy(3,11) ;
cout <<"answer 2 : " <<ans2 ;
gotoxy(3,12) ;
cout <<"answer 3 : " <<ans3 ;
gotoxy(3,14) ;
cout <<"Enter correct solution : " ;
int i=0, j=0, time=10 ;
do
{
valid = 1 ;
gotoxy(3,21) ;
cout <<"Time : " <<time ;
gotoxy(28,12) ;
do
{
delay(1) ;
i++ ;
j++ ;
if (j == 600)
{
j = 0 ;
time-- ;
gotoxy(11,21) ;
cout <<" " ;
gotoxy(10,21) ;
cout <<time ;
gotoxy(28,14) ;
}
} while (!kbhit() && i<6000) ;
if (i >= 6000)
{
played++ ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(13,16) ;
cout <<"Sorry Time up!" ;
gotoxy(1,1) ;
getch() ;
if (played)
display_score(name,played,correct) ;
return ;
}
gotoxy(3,21) ;
cout <<" " ;
gotoxy(28,12) ;
t_sol = getche() ;
if (t_sol == 27)
{
if (played)
display_score(name,played,correct) ;
return ;
}
if (t_sol != '1' && t_sol != '2' && t_sol != '3')
{
valid = 0 ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(28,12) ;
cout <<" " ;
}
} while (!valid) ;
played++ ;
if (t_sol != sol)
{
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(14,16) ;
cout <<"wrong answer" ;
gotoxy(13,17) ;
cout <<"Correct answer : " <<sol ;
gotoxy(1,1) ;
ch = getch() ;
gotoxy(14,15) ;
cout <<" " ;
gotoxy(13,16) ;
cout <<" " ;
gotoxy(3,24) ;
cout <<" " ;
}
else
{
correct++ ;
sound(500) ;
delay(100) ;
nosound() ;
gotoxy(16,16) ;
cout <<"GOOD ! CORRECT ANSWER" ;
gotoxy(25,3) ;
cout <<"SCORE:" <<correct*10 ;
gotoxy(1,1) ;
ch = getch() ;
}
if (ch == 27)
{
display_score(name,played,correct) ;
return ;
}
}
gotoxy(3,22) ;
cout <<"No more questions available" ;
getch() ;
if (!played)
return ;
display_score(name,played,correct) ;
}
// FUNCTION NAME : main
// DETAILS : IT CALLS THE START FUNCTION AND
// MENU FUNCTION.
void main(void)
{
menu m ;
m.start() ;
m.main_menu() ;
}
// END OF PROJECT
[edit]Code block added - OriginalGriff[/edit]
我尝试过的事情:
i try to put } but it does not work still showing me error
[edit]Code block added - OriginalGriff[/edit]
What I have tried:
i try to put } but it does not work still showing me error
推荐答案
Double click the error message - it usually takes you to the line.
If you can''t do that, open your code in a text editor and try pressing CTRL+G - that very often brings up a "goto line" box which lest you move immediately to a specific line number, in this case 86. Looking around that line, and it''s obvious:
Double click the error message - it usually takes you to the line.
If you can''t do that, open your code in a text editor and try pressing CTRL+G - that very often brings up a "goto line" box which lest you move immediately to a specific line number, in this case 86. Looking around that line, and it''s obvious:
void lines :: line_ver(int row1, int row2, int column, char c)
{
for ( row1; row1<=row2; row1++ )
{
gotoxy(column,row1) ;
cout <<c ;
}
// CLASS NAME : lines
// FUNCTION NAME : box
// DETAILS : IT ACCEPTS THE ROWS AND COLUMNS AND
// DRAW THE BOX
void lines :: box(int column1, int row1, int column2, int row2, char c)
{ char ch=218 ;
char c1, c2, c3, c4 ;
char l1=196, l2=179 ;Where is the closing bracket for line_ver?
Where is the closing bracket for line_ver?
Thanks to Griff for formatting the code.
There is a missing ''}'' around (probably before) line 86:
Thanks to Griff for formatting the code.
There is a missing ''}'' around (probably before) line 86:
void lines :: line_ver(int row1, int row2, int column, char c)
{
for ( row1; row1<=row2; row1++ )
{
gotoxy(column,row1) ;
cout <<c ;
}
// -> This is missing in your code
}
// CLASS NAME : lines
The error in line 1581 should be also gone now (assuming that ist was about a missing closing ''}'').
Tip:
Most code editors allow collapsing blocks (often indicated by a ''-'' symbol on the left). Use this feature when available and you got errors about missing parentheses to find them quickly.
The error in line 1581 should be also gone now (assuming that ist was about a missing closing ''}'').
Tip:
Most code editors allow collapsing blocks (often indicated by a ''-'' symbol on the left). Use this feature when available and you got errors about missing parentheses to find them quickly.
Also
Also
} while ( !valid ) ;
} while (ch == 'Y’);
// <-- Here there is also a missing {
// CLASS NAME : quiz
// FUNCTION NAME : found_record
When you have an error, the problem is usually before or at the point the error is reported by the compiler. If you would improve your code formatting by adding blank lines between functions and avoid writing function that are way too long (and with too many indentation levels), it would be much easier to find that kind of errors.
By the way, that code is poorly written as it does not follows most accepted rules of good coding practice. Here are some problems:
- Lot of hard coded constants everywhere.
- Missing parameter names in function declaration.
- Inconsistant indentation.
- Inconsistant and discutable use of white space.
- Very long functions with multiple responsabilities.
- ....
Reading books on writing solid code might be a good idea...
When you have an error, the problem is usually before or at the point the error is reported by the compiler. If you would improve your code formatting by adding blank lines between functions and avoid writing function that are way too long (and with too many indentation levels), it would be much easier to find that kind of errors.
By the way, that code is poorly written as it does not follows most accepted rules of good coding practice. Here are some problems:
- Lot of hard coded constants everywhere.
- Missing parameter names in function declaration.
- Inconsistant indentation.
- Inconsistant and discutable use of white space.
- Very long functions with multiple responsabilities.
- ....
Reading books on writing solid code might be a good idea...
这篇关于它向我显示第86行和第1581行中的2个错误...如何删除的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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