49,762 Topics
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| | i need to write a program that determines whether a meeting room is in violation of fire law regulations regarding the maximum room capacity and the number of people to attend the meeting. if the number of people is less than or equal to the maximum capacity, the program announces … |
| | I'm working in implementing a hash table, and I'm running into a Seg Fault whenever I try to access my buckets :( Here's the code: simple test class [code] //TEST HASH!! #include "hashTable.h" #include <iostream> #include <string> using namespace std; int main() { hashTable htab(101); htab.insert("blah"); cout << htab.contains("blah") << … |
| | Hi everybody, I wanna learn how can I solve this problem of undefined symbols while trying to load them from another function. Here's the code to explain: [CODE]void maxmin(struct ma mx) { int max=mx.ev[0]; int min=mx.od[0]; for (int i=0;i<10;i++) if (mx.ev[i]>max) max=mx.ev[i]; for (int j=0;j<10;j++) if (mx.od[j]<min) min=mx.od[j]; cout<<"The biggest … |
| | ok in the first function i am suppose to read in the data from the file for the next node, allcatees the node, assigns the members, and return a pointer to the new node through the function return type i have no idea how to do that can you look … |
| | Hello, I am a totally newbie and I would be pleased, if you could help me. Here is the problem: I have created VS 2008 project and configured it for using the ITK (toolkit for medical image analysis - in my case for reading Dicom images). Everything worked OK until … |
| | in my computer tarbo c is not raninig. it show the message"16 bit sub system". what can i do.plz replay in[I] <<snip>>[/I]  |
| | May I know what are bits fields & the 5 bits of hole for? [CODE] struct Record { unsigned int n1 : 3; // 3 bits, can store 0 - 7 int : 5; // 5 bits of hole unsigned int n2 : 4; // 4 bits, can store 0 …  |
| | Hi everyone, I am having problems with my c++ code for about 2 - 3 hours now and decided I need help. I am a student at a college and I am trying to code this for my assignment. cpp file:[CODE] #include "bridgehand.h" BridgeHand::BridgeHand() { for (int x = 0; … |
 | So I have looked and looked and wasn't able to find how to retrieve text from a selected option in a combobox. I have just started visual c++ so I don't really understand a lot. But I used to work with Visual C# before. So, is there any way? [CODE]if(comboboxslectedvaluethingy … |
| | i'm newby to C++. Small code as follows: [code] int main(int argc, char* argv[]) { cout << "function main() .." << '\n'; char ch1; int int1; cin >> ch1; cin >> int1; cout << ch1 << '\n'; cout << int1 << '\n'; return 0; } [/code] when i run the …  |
| | Hi All, I am currently learning C++ and I have been asked to make a program which will calculate the interest that would be paid on a deposit of a given size. One of the requirements is that we display an error message when non-integer data is entered. |
| | been doing reiew questions to prepare for a c++ test, and was hoping someone could help me out by looking over the ansewers i have so far. what i have is in red. thank you very much :) -- Which of the following operations has the highest precedence? a. Postincrement. …  |
| | Hello, I'm new to programming forums so go easy on me :) I'm working on an assignment for school. I have to read a quiz.dat file which cotains info in the format of: TTTTTFFFFFTTTTT TTTTTFFFFF TTTTJoe Jones TTTTTFFFFFT TTFMary Jane ... ... etc. The first line being the answer key … |
| | Can someone please tell me why I might be getting a access violation when doing the following for a double linked list: [CODE=C++] ~DLList() { while(!isEmpty()) //isEmpty is working.. removeHead(); } bool isEmpty() { if(head == NULL && tail == NULL) return true; else return false; } char * removeHead() … |
| | got some noob c++ questions that hope someone can help me with ---The statement while ( --counter >= 1 ) counter % 2 ? cout << "A" : cout << "B"; cannot be rewritten as: a. while ( --counter >= 1 ) if ( counter % 2 ) cout << … |
| | I have been working on this program for about two weeks. I missed the day that the professor covered the material necessary to code this program due to surgery. I am now behind about 5 programs that are due at the end of the week and I'm trying to teach … |
| | Hi I am trying to get this program to work to insert a node into the list and move the list down so the node will fit. I get the node to be inserted into the right place but the list is copied as such. if 1. joe 2. linda … |
| | Hi guys, uve been workin on a restaurant program and im tryin to write the time to the end of the receipt. so im writing information to a file. only problem is i cannot make my time function return the current time. I've tried everything. can you guys help?? im … |
| | was hoping someone with more experience could look over and tell me if these answers look alright. in red is what i got -- srand: a. Should be called before each call to rand. [COLOR="Red"]b. Should be used instead of rand to generate truly random numbers.[/COLOR] c. Is unnecessary in … |
| | To start off, I am absolutely sure this question has been answered before, but I've searched for it all over the internet to no avail, probably because I don't know the term. I've been working with Eclipse C++ IDE on my Ubuntu machine for awhile, and all of my programs … |
| | I have an int that I need to store as two chars. So is there some way to get the first 8 bits and the second 8 bits and store them as chars. And if so, how would I recombine them later to get a meaningful int value? |
| | I have a question for entering an atm number in a simulated atm. What happens is when i enter 1 to enter a pin number it fails on me three times. If I hit a 2 it does what it is supposed to. When I enter something other than a … |
| | When I try to compile this: [code=C++] //Player Class Definitions #include <iostream> #include "player.h" using namespace std; player::player() { health = 100; level = 1; potions = 10; enemiesDefeated = 0; } int player::attack(int *enemyHealth) { srand(time(NULL)); int randomNumber = rand() % 100; *enemyHealth = *enemyHealth - randomNumber; } int … |
| | Hello, What I am trying to do is edit the variable of a class through a separate class function. I have tried to do things like [code=C++] int player::attack(int *enemy) { srand(time(NULL)); int randomNumber = rand() % 100; *consolePlayer.health = *consolePlayer.health - randomNumber; } [/code] and I get the error … |
| | hi below is code it is only a part of my program simplified for understanding the main problem i am facing .................... actually the code runs well but while exiting from main [B]displays Null pointer assignment[/B] . May i please request the forum member to debug the program..... the code … |
| | I have three files: main.cpp [CODE]#include "CMain.h" int WINAPI WinMain(HINSTANCE hIn...) { return 0; }[/CODE] CMain.cpp [CODE]#include "CMain.h" using namespace Program; LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { switch(msg) { case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hwnd, msg, wParam, lParam); } return 0; } CMain::CMain(void) { … |
| | Hello I'm creating a game engine. In order to draw everything correctly I need to sort a vector (vector<game_object*>) by each contents z value I miserably failed to do it with std's sort() so Id like to know what's the most efficient way I could sort this vector [If its … |
| | [URL="http://i41.tinypic.com/n2ef5k.jpg"]Screenshot.[/URL] Hello, I have a problem already for like a week and I seriously can't get out of it. Take a look at the screen shot. The server sends a packet to the client to spawn an NPC. If you look to the top commandline-window, the client does recv the … |
| | I want to know what is "Vector for the buckets in hash table". I gathered data and stored into hash table. And I want to know how to convert hash table buckets into Vector. If you guys have source, It would be helpful or theory, also welcomed. Thanks you in …  |
| | #include <iostream> using namespace std; int main() { int list[12] = {8,1,11,4,2,9,10,5,3,12,6,7}; cout<<list; return 0; } I run the above code and get this: 0x22fef0Press any key to continue . . . Please help!!! New with C and new with Dev-C++ which my University wants us to use... Running from … |
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