51,593 Topics
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| | i'm trying to make a geme with c++ but i can finish it because i have trouble with the code :( .....this is the code of the game that i want to make.... [code=cplusplus] #include<iostream.h> #include<conio.h> #include<graphics.h> //using namespace std; int main(void) { double pos_x,i_pos_x,pos_y,i_pos_y,vel_x,vel_y; double time,gravity ; //t=time,g=gravity int … |
| | I am trying to put a multimap inside of a separate class for easy lookup of objects downstream in another main code that I am trying to access. If I put the multimap inside of my main routine and insert items from there it works fine. The second I move … |
| | I have this program to read in a text file and store each word in a Binary Search Tree and keep track of the frequency of this number in the file. My outputFile should read like: 32 a 54 and 4 hello 8 will 9 would I have the program … |
| | When writing a timeformat in a textbox using the event _TextChanged and when timeformat has reached the written format "HH:MM", the ->RunWorkerAsync() command should execute and create a file but it seems that the backgroundworker does not execute the code inside. I wonder why this is not happening, have I … |
| | I need some help. I want to have a circle arching/dropping but I do not get loop that I need to use. How do I do this? { AppWindow Win; Setup(Win, 0, 0, 600, 600); SetText(Win, "Ball Drop"); SetDrawColor(Win, 0.0, 0.0, 0.0); Circle(Win, 175, 175, 15); Sleep (100); SetDrawColor(Win, 1.0, … |
| | With the code below I want to execute a task if the day is saturday and if the minute is >= 14. There is 2 things I wonder here. The code below is an infinite loop that never stops. So it checks for if this criteria is true but when … |
| | Hello, all! I'm getting an error that I don't understand, and would greatly appreciate some other input from somebody more experienced than me! So here's the problem: I have a tree that I can put nodes on, take nodes off, search, etc etc. I have one last function that I …  |
| | Hi, I am getting the following error: test.o(5209) malloc: *** mmap(size=2097152) failed (error code=12) *** error: can't allocate region *** set a breakpoint in malloc_error_break to debug I am using finite recursive function in my program. Please help with my query. Thanks |
| | Hi guys. I'm doing a programming, whereby I have to display a prompt of my own on the linux terminal. Example commandprompt>. The program will then wait for user's input, example "ls -ali | more" or "ls -ali" and etc. I will be using the following system call in my … |
| | HI and hello, This is sundar...i'm posting a project that i've done 'Airline Reservation System'... Pls go thru it and let me faults if any...and also how to enhance this code.... (pls find attachment)  |
| | okay, so i came up with this idea of making a program to evaluate my code. it's supposed to take the code, compile it, run it on several test cases (given in one file each) and report how the code did (which test cases it passed, which cases it failed...) …  |
| | Hi Guys is there a way to incorparate the ping function into a app what i want to do is when the user trys to connect it opens a window and displays 1, pinging "ipaddress" and if succesfull displays connecting to host ie "ipadress" from above but if no ping … |
| | Ok, I have a DLL I made. In the DllMain function, I have a variable called my_var (const char[13]). I compiled the dll (called "WGCL") and put it in the debug directory of my Win32 Project. I used /DELAYLOAD:WGCL.dll to Delay Load the DLL which seems to be the only … |
| | I've got a question for all of the veteren C++ programmers out there.... I know that in_addr_t is a byte addressed value (representing an IPv4 address) however in debugging this code I was expecting a compile error ( scope of ipaddr declared in if statement would not extend to the …  |
| | hi guys need help I resently just started c++ and on classes and have a project to print a tag to be attached on a luggage and deppending on wether the costomer want it delivered at home or pick it up at the airport. Plz find attachment |
| | Calculator should display the accumulated value after each operation [CODE] //FILE: PROGRAM3.CPP //AUTHOR : AM NGUYEN //COURSE NAME : CS210 //DATE : // DESCRIPTION : A SIMPLE CALCULATOR # include <iostream> using namespace std; void instruction(); int calculator (char); void divide_by_zero (); float do_next_op (char, float, float); void main() { … |
| | Hello all... I'm having a few problems with my program. I will list the problems that I need help with.. 1) I need help printing out the highest testScore (I'm am getting garbage numbers) 2) I need help printing out the person's name in my input file who has the … |
| | Hi, I am having issues with assigning a value to a string. I have two structures node and edge as follows: [code] struct node{ string name; int key; }; struct edge { node u; node v; int weight; edge *link; }*front = NULL; [/code] Now I have a function that … |
| | Is there any other way to the same thing goto does?(You know what i mean i'm just too lazy too explain it right now >.<) Goto messes everything up >. For example, let's say i made a game that displays a menu, like: "1. Play where is waldo 2.Quit" Then … |
| | I am resurrecting old code from a few years ago, and I unfortunately have little documentation as to how it was compiled and what environment it was built in. At this point, I have successfully gotten it to build, but there are errors at execution, specifically an unhandled exception error … |
| | Hello, I just need help converting this baby in plain old vanilla C. You can tell me the equivalents of C to C++ or whatever is more convenient for you. I'm compiling in MS Visual Studio C++ 2008 and it gives me mostly "undeclared identifiers" and "syntax errors". Thanks in … |
| | I need a little help, I'm still new to the C++ stuff and this is for my class. Any help anyone could give me would be great. the code I have is as follows: ____________________________________________________________________________ [code] #include <iostream> using namespace std; int find_fib(int); int main(int argc, char* argv[]) { int … |
| | Hi im trying to build this pay rate calculator but im getting a few errors: [code=cplusplus] #include <iostream> #include <string> #include <iomanip> using namespace std; struct Time{ int hr, min; char meridian; }; struct Garage{ string name; float rate; Time time_in, time_out; }; struct PayRecord{ string name; string position; int … |
| | I'm trying to create a text based RPG, like pokemon. At the moment i'm trying to make a store to buy health and stuff in. Everytime you kill a monster you get a random amount of money. But how do i make the program say "You can't afford that" if … |
| | I just downloaded Visual C++ 2008 Express Edition and I'm trying to edit some old code for a lab that I am TAing. I took all the code and put it in a new project, since several of the old libraries will change and since I don't have them on …  |
| | Hi All Please help me with the following code, it works fine when i enter 1234567890 but goes mad when i enter one more digit i.e 12345678901. It keeps on looping and displays infinitely:- "Invalid Input. Please try again.!!" How can i fix/correct this? Any help will be appreciated! [code=cplusplus] … |
| | im trying to create a simple LAN Chat Program (as projectwork for school)....usage of filehandling is a must in all projects...since all the school computers are connected by LAN...i am creating one FILE and trying to input and read that file and display it on the screen to make it … |
| | Write a program that determines if an integer (input by the user) is odd or even. The program should also include functions that: 1) Determine if an even number is greater then 1000 2) Determine if an odd number is less then or equal to 199. The program should display … |
| | OK so I need to make a card dealing program that takes random cards from a deck and dispenses a 5 card poker hand, but i also have to right functions to tell if its a flush straight royal flush, etc... I have no Idea what to do after this. … |
| | I am trying to create a simple animation of an envelope opening up and then closing back. I want to know if there is any way by which I can have my envelope, which is designed in MS Paint, imported onto C++ program. The envelope has dimension 932 * 590 …  |
| | I have been stuck for awhile trying to read the data in my file. As you can see, I haven't did much coding, but I would appreciate the assistance if someone can tell me what is wrong with the code. Thanks! Example of my input file: Kay, Harry 95 A … |
| | I did fine on this in C, not sure what I'm doing wrong here. Probably something silly on my end. I'm receiving odd numbers in my program below. I have included the output below the program. Any assistance would be quite appreciated. Thanks! [code]#include <iostream> int main() { using namespace …  |
| | My program runs fine. The only problem is at the bottom of my "[B]insertAt[/B]" function. I am trying to insert a number to the array. Whatever number I insert, it keeps appearing at the [B]front[/B] of the array instead of the position I want it to. For example: Original Array: … |
 | Could there be any better ways to determine whether a number is prime or not particularly with respect to code execution. [code]#include <iostream.h> #include <conio.h> void PrimeTest(int); main() { int num; cout<<"Enter number: "; cin>>num; PrimeTest(num); getch(); } void PrimeTest(int n) { bool isPrime=true; for(short i=2;i<=(n-1);i++) { if (n%i==0) { … |
| | [CODE]// file temperature table.cpp //conversion of celsius to fahrenheit temperature # include <iostream> # include <inomanip> using namespace std; int main() { const int CBEGIN = 10; const int CLIMIT = -5; const int CSTEP = 5; float fahrenheit; cout << " Celsius " << " Fahrenheit " << endl; … |
| | [CODE]#include<iostream.h> #include<conio.h> #include<process.h> const int max=5; class stack { int s[max]; int top; int temp; public: stack (int j,int p){top=j;temp=p;} void push(int item); void pop(); void display(); }; void stack::push(int item) { if(top<4) { top++; s[top]=item; } else { cout<<"\nStack is full!"; } } void stack::pop() { if(top>-1) { cout<<"\nThe …  |
 | it isnt clrscreen; cause thats not working. Can anyone refresh my memory? thanks |
| | Ok, sorry to bother but it seems I don't understand this properly ^^" I have a simple class, SLListNode, as follows [CODE=C++]template <class D> class SLListNode { public: static int Count; D Data; SLListNode *Next; SLListNode(void); ~SLListNode(void); }; template <class D> int SLListNode<D>::Count = 0; template <class D> SLListNode<D>::SLListNode(void) { … |
| | PLEASE HELP!!! I dont know how to do this problem. Every time i try it keeps coming out wrong. PLEASE HELP. Thank you... An internet service provider has three different subscription package for its customer: Package A: For $9.95 per month 10 hours of access are provided. Additional hours are … |
| | hello can someone give me a good link for downloading source code which implements improved asserts (like showing last error ,and stack trace) and generating memory dump when unhandled exception occur thank you |
| | [Linker error] undefined reference to `add()' Can someone explain that a little? Do i need to include my code to help you guys explain? Thanks |
| | Hi, I've seem to have a problem declaring an object within a switch statement. It keeps saying [QUOTE]error C2360: initialization of 'roll' is skipped by 'case' label[/QUOTE] My code is as below [CODE]case 2: // 25 % chance of being able to run. int roll = Random(1, 4); if( roll … |
| | [code] #include <iostream> #include <windows.h> using namespace std; float v1; float v2; int oper; float ans; int add() { v1 + v2 == ans; } int sub() { v1 - v2 == ans; } int mult() { v1 * v2 == ans; } int div() { v1 / v2 == … |
| | Ok well I have 4 char arrays. Each array has predefined words in them. For example: [CODE] char *article[MAX_ARTICLES] = { "the", "a", "one", "some", "every", "any" }; [/CODE] I'm trying to make random sentences as defined by the user. So if they type in the value 567 or whatever … |
| | the ls -ali output will be treated like a string input for the c++ program i need to write. i have tried to output ls -ali command into a txt file and below is the output of the ls -ali: -rwxr--r-- 1 User1 root 26 Nov2 19:51 Mydb.txt basically, the … |
| | hey guys its me again with the rock paper scissors game. well after spending the whole day on it (ok not really) i was able to write a proper code for the game that would ask user for their input and randomly select one for the computer. now it should … |
| | Hello I'm new to computer programming , and I'm using Dev C++ 4.9.9.2. I'm also reading C++ How To Program Pearson International Edition from DEITEL as my source of knowledge. I don't if I'm reading the right book and using the right c++ software or compiler. Hop you can give … |
| | I have encountered a problem when using the backgroundworker. What I do is that I will have the oppurtunity to press the cancelbutton to stop the backgroundworker. The code that I am using below works without any problem as expected. The thing that happens is that an error message occurs … |
| | Hello I'm new to computer programming. I just want to ask where to download a C++ installer and what compiler is good to use. thank you:) |
| | I have few question, If i have two private member array in my class how can I use [] operator for my use, something like following, [code] class foo { int iarray[10]; char carray[10] public: //constructors //copy cons nd assignment ans all }; [/code] So my first question is When … |
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