mohityadavx
Youngling
add a condition to check if y!=0 to avoid runtime error.
thanx there would be many more such error and bug once i am able to get through password problem
Post your C/C++ Programs Here
- Status
thanx there would be many more such error and bug once i am able to get through password problem
T
The Conqueror
Guest
So If I learn those basic algorithms and data structures in say- in the month of May. My basics about arrays,pointers etc are perfect. Can I expect something good that I will be able to attempt it well at ZCO?
Neuron
Electronic.
@mohityadavx : Dude sorry to say but your program contain plenty of errors,like you are redefining the library functions like sin ,cos etc.It appears like you are low on the basics.Start learning from a good text book.I'd recommend C++ ,The Complete Reference by Herbert Schildt.It contains everything you need to know.Either buy one or search your school/college library.Good Luck 
mohityadavx
Youngling
@mohityadavx : Dude sorry to say but your program contain plenty of errors,like you are redefining the library functions like sin ,cos etc.It appears like you are low on the basics.Start learning from a good text book.I'd recommend C++ ,The Complete Reference by Herbert Schildt.It contains everything you need to know.Either buy one or search your school/college library.Good Luck
ya u r right about the bugs
its not like that neuron this program would be now modified for complex function by my friend ( i am just preparing the basic outline) like square(sinx) + sin( square x) and i don't want to clutter main()
what about password bug
mohityadavx
Youngling
Liverpool_fan
Sami Hyypiä, LFC legend
Why are you checking for carriage return '\r' for checking newline? Try checking for newline with '\n'.
Neuron
Electronic.
@Liverpool_fan:'\r' works fine.
Did you try running that piece of code alone?What error did you get? or why are you saying that it's not working?
It must, because that block of code is faultless and is running perfectly on my compiler.
Did you try running that piece of code alone?What error did you get? or why are you saying that it's not working?
mohityadavx
Youngling
i m trying to say that when i put this piece of code it says password incorrect access denied
Neuron
Electronic.
Run this and post your output.
Code:
#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<math.h>
void main()
{
char pass[10];
int i=0;
cout<<"Enter password"<<endl;
while((pass[i]=getch())!='\r')
{
cout<<"*";
i++;
}
pass[i]='\0';
cout<<endl;
if(strcmp(pass,"mohit")==0)
cout<<"Password Comparison Successfull"<<endl;
else
cout<<"Failed Password is "<<pass<<endl;
getch();
}mohityadavx
Youngling
thanx neuron i am extremely sorry for my stupidity but i had caps turned on while typing the password and didn't noticed it.
anyway can u tell me something why doesn't string take the last character as null by default it does s when we use cin command etc
Liverpool_fan
Sami Hyypiä, LFC legend
Why would it take the last character as '\0' when you are coding the input manually character by character using getch?
BTW be informed that the code you have written is largely out of date, non-portable and does not conform to ANSI standards. If you are studying C++ independently, you are advised to learn ANSI C++ and use a modern compiler rather than the antiquated junk Turbo C++.
BTW be informed that the code you have written is largely out of date, non-portable and does not conform to ANSI standards. If you are studying C++ independently, you are advised to learn ANSI C++ and use a modern compiler rather than the antiquated junk Turbo C++.
arpanmukherjee1
XLr8
^^^+1. could have said it better myself.
@mohityadavx use GCC or DevC++. majority of the errors and warnings will be pointed by the compiler.
also treat warnings as errors, that is a good practice
@mohityadavx use GCC or DevC++. majority of the errors and warnings will be pointed by the compiler.
also treat warnings as errors, that is a good practice
mohityadavx
Youngling
@mohityadavx : Dude sorry to say but your program contain plenty of errors,like you are redefining the library functions like sin ,cos etc.It appears like you are low on the basics.Start learning from a good text book.I'd recommend C++ ,The Complete Reference by Herbert Schildt.It contains everything you need to know.Either buy one or search your school/college library.Good Luck
Thanx for the advice never knew sumita arora was that bad that most of you are simply rejecting the code !!!! I will use Dev C++ as i like its layout more then GCC!!!
nims11
BIOS Terminator
sumita arora is not recommended for anyone who wants to do programming.
btw Dev-C++ is an IDE and GCC is a compiler.
dead.night7
Journeyman
Liverpool_fan
Sami Hyypiä, LFC legend
Re: Post ur C/C++ Programs Here
Things to Avoid in C/C++ -- scanf, Part 5 - GIDNetwork
nims11
BIOS Terminator
typing test, pretty lame, but i like it!
compiled exe
Code:
//TYPING TEST
#include <stdio.h>
#include <time.h>
#include <iostream>
#include <conio.h>
#include <ctype.h>
#include <stdlib.h>
#include <fstream.h>
#include <string.h>
using namespace std;
void fileChk(char filename[10])
{
ifstream fin(filename);
if(!fin.is_open())
{
ofstream fout("scores.dat");
fout<<0<<endl;
fout.close();
}
fin.close();
}
void writeScores(double score)
{
fileChk("scores.dat");
ifstream fin("scores.dat");
int n,i;
char names[10][20];
double scores[10];
fin>>n;
for(i=0;i<n;i++)
{
fin>>names[i];
fin>>scores[i];
}
if(n==0)
{
n=1;
fin.close();
remove("scores.dat");
ofstream fout("scores.dat");
fout<<1;
cout<<"\nCongratulations!!!, You made it to the HALL OF FAME\n\n";
char name[20];
cout<<"Enter you name - ";
cin>>name;
fout<<name<<" "<<score<<endl;
}else{
if(n<10)
n++;
fin.close();
remove("scores.dat");
ofstream fout("scores.dat");
fout<<n<<endl;
int flag=1;
for(i=0;i<n;i++)
{
if((scores[i]>score || (i==n-1 && scores[n-1]>score)) && flag==1)
{
flag=0;
n=n-1;
cout<<"\nCongratulations!!!, You made it to the HALL OF FAME\n\n";
char name[20];
cout<<"Enter you name - ";
cin>>name;
fout<<name<<" "<<score<<endl;
}
fout<<names[i]<<" "<<scores[i]<<endl;
}
fout.close();
}
}
void dispScores()
{
system("cls");
ifstream fin("scores.dat");
int n,i;
fin>>n;
cout<<"name \ttime\n\n";
for(i=0;i<n;i++)
{
char name[20];
fin>>name;
double score;
fin>>score;
cout<<name<<"\t"<<score<<endl;
}
}
int main()
{
cout<<"TYPING SPEED TESTER BY NIMS13\nPress any key to continue....";
getch();
system("cls");
char c;
clock_t start, end;
char str[100]="the quick brown fox jumps over the lazy dog";
int len=strlen(str),i,errors=0;
cout<<"Hello!! ,Type the following as fast as you can\n(The time will start when you type the first letter and will automatically end when you complete the sentence.\nDON'T PRESS ENTER WHEN YOU FINISH WRITING) -\n\nthe quick brown fox jumps over the lazy dog\n\n";
int flag=1;
while(flag)
{
c=getch();
if(tolower(c)==str[0])
{
cout<<c;
flag=0;
start = clock();
}else
errors++;
}
for(i=1;i<len;i++)
{
int flag=1;
while(flag)
{
c=getch();
if(tolower(c)==str[i])
{
cout<<c;
flag=0;
}else
errors++;
}
}
end = clock();
double duration=(double(end-start))/((double)CLOCKS_PER_SEC);
system("cls");
for(i=0;i<10;i++)
{
cout<<"Processing Data";
cout<<"/";
for(int j=0;j<10000000;j++);
system("cls");
cout<<"Processing Data";
cout<<"-";
for(int j=0;j<10000000;j++);
system("cls");
cout<<"Processing Data";
cout<<"\\";
for(int j=0;j<10000000;j++);
system("cls");
cout<<"Processing Data";
cout<<"|";
for(int j=0;j<10000000;j++);
system("cls");
}
cout<<"\nTotal Time - "<<duration<<" secs!!\n";
cout<<"\nMistakes made- "<<errors;
for(long j=0;j<100000000;j++);
cout<<"\nPress Any Key to See the Hall of Fame....";
getch();
system("cls");
writeScores(duration);
dispScores();
cin>>i;
return 0;
}compiled exe
Neuron
Electronic.
^^ lol,nice program.
Finally learning some Windows programming.This one is nothing.Just a line drawing program.
But you guys can expect some games from me pretty soon
.
Finally learning some Windows programming.This one is nothing.Just a line drawing program.
But you guys can expect some games from me pretty soon
.
Code:
#include<windows.h>
#include<string>
#include<vector>
using namespace std;
HWND hwnd;
MSG msg;
WNDCLASSEX wndclass;
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM );
PAINTSTRUCT ps;
HDC hdc;
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{
LOGBRUSH lb;
lb.lbStyle=BS_SOLID;
lb.lbColor=RGB(125,123,123);
HBRUSH BlueBrush=CreateBrushIndirect(&lb);
wndclass.cbClsExtra=0;
wndclass.cbSize=sizeof(wndclass);
wndclass.cbWndExtra=0;
wndclass.hbrBackground=(HBRUSH)BlueBrush;
wndclass.hCursor=LoadCursor(0,IDC_ARROW);
wndclass.hIcon=LoadIcon(0,IDI_APPLICATION);
wndclass.hIconSm=LoadIcon(0,IDI_APPLICATION);
wndclass.hInstance=hInstance;
wndclass.lpfnWndProc=WndProc;
wndclass.lpszClassName="Wind";
wndclass.lpszMenuName=0;
wndclass.style=CS_HREDRAW|CS_VREDRAW;
RegisterClassEx(&wndclass);
hwnd=CreateWindow("Wind","Windo",WS_HSCROLL|WS_VSCROLL,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,nShowCmd);
UpdateWindow(hwnd);
ZeroMemory(&msg,sizeof(msg));
while(GetMessage(&msg,0,0,0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
struct tLine {
POINT P0;
POINT P1;
};
vector<tLine> aLines;
tLine tLines;
bool mousedown=true;
LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM Wparam,LPARAM Lparam)
{
switch(msg) {
case WM_LBUTTONDOWN:
tLines.P0.x=LOWORD(Lparam);
tLines.P0.y=HIWORD(Lparam);
SetCapture(hwnd);
mousedown = true;
return 0;
case WM_LBUTTONUP:
ReleaseCapture();
mousedown=false;
tLines.P1.x=LOWORD(Lparam);
tLines.P1.y=HIWORD(Lparam);
aLines.push_back(tLines);
return 0;
case WM_MOUSEMOVE:
if(mousedown) {
InvalidateRect(hwnd, 0, true);
hdc=BeginPaint(hwnd,&ps);
MoveToEx(hdc,tLines.P0.x,tLines.P0.y,0);
LineTo(hdc,LOWORD(Lparam),HIWORD(Lparam));
EndPaint(hwnd,&ps);
}
for(int i=0;i<aLines.size();i++) {
InvalidateRect(hwnd, 0, false);
hdc=BeginPaint(hwnd,&ps);
MoveToEx(hdc,aLines[i].P0.x,aLines[i].P0.y,0);
LineTo(hdc,aLines[i].P1.x,aLines[i].P1.y);
EndPaint(hwnd,&ps);
}
return 0;
case WM_RBUTTONDOWN:
hdc=BeginPaint(hwnd,&ps);
InvalidateRect(hwnd,0,true);
aLines.clear();
EndPaint(hwnd,&ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_KEYDOWN:
if(Wparam==VK_ESCAPE) {
if(MessageBox(0,"Are you sure you want to exit?","Message",MB_YESNO)==IDYES){
PostQuitMessage(0);
return 0;
}
}
break;
}
return DefWindowProc(hwnd,msg,Wparam,Lparam);
}- Status