51,593 Topics
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| | Hello I passed to functions and I have the next exercise. you are expected to write a program that computes the sum of all the integers in a range specified by the user. In addition to the main function, there should be a function that accepts two parameters that specify … |
| | I'm trying to write a code for class that basically takes a 4 digit input, scrambles the the places of each number so that the first digit is in the third digits place, and add 7 to each number. This is supposed to be simple encryption. I know my functions … |
| | Hello, I recently started a c++ class, and one of the assignments is that we need to create a c++ program which converts Fahrenheit to Celsius. I have succeeded into doing just that, but I need to validate user input's values, meaning that the program must reject any entries that … |
| | #include<windows.h> #include<iostream.h> #include<iomanip.h> int main() { char choice, do{ system('cls'); cout<<”\n\t\tHi!welcome to JKK the best tapsihan!”; cout<<"\nEnter your choice of food."; cout<<"\nWhile eating the program will be on standby if there are any side orders,when done just press 10 to bill out"; cout<<"\n\n\t\tMenu" <<"\n\t[1]Tapsilog . . . . .\tPhp 25.00" … |
| | Hello everyone, I have an assignment that I am working on for a class at my school. I have to write a program that will open a .txt file and read/copy the code to a string. This is probably really easy, but I guess my knowledge thus far is a …  |
| | Is there a way to dynamically add a menu to a window using win32 API rather then using a resource? Ive done some googling, but all i can find is the resource method. Thanks |
 | Could someone please verify. Is it proper to have pointers to containers(vectors in this example) where you allocate memory for them and then free them. I googled and found a posting that stated its considered poor coding style to do this...I doesn't seem like it should be poor programming style … |
| | How can I resize 2d array. I want to create a bool. My new map should measure 10 height and 5 width. [bool msize(int Height,int Width){ return true; }] |
| | Having problem getting code to even compile. Instructor insists array be in addDays and no adding of extra data members or methods to the class. "Use an array of strings in addDays. It needs to be local to the method since that is the only place that it is needed. … |
| | Hey, I keep getting this error, but from its description, I can't really tell how to fix it besides from what I've already tried, so any explanation would be great. The error I get is: clientrectlib.cpp(32) : error C2664: 'calcMinMaxValue' :cannot convert parameter 1 from 'overloaded-function' to 'float &'. The … |
| | I have viewed some source that contained an identifier with a scope operator preceding it. Ex: [code=c++] ::var[/code] What does that mean/do? |
| | i need help making an add function for an array. i know how to initialize it and have it started. when i add content into the array, i need to add it as a linked list. i have my function for the linked list completed alrady. if anyone can help … |
 | Seeing we can do it with structs, why do we need classes? See the code and quote from [URL="http://publib.boulder.ibm.com/infocenter/comphelp/v8v101/index.jsp?topic=/com.ibm.xlcpp8a.doc/language/ref/cplr054.htm"]Link[/URL] [QUOTE="IBM Developer"]The C++ class is an extension of the C language structure. Because the only difference between a structure and a class is that structure members have public access by default … |
 | [code] #include <iostream> #include <cstring> void rev(const char* str) { char* p = new char[strlen(str) + 1]; for(int i = 0; str[i] != '\0'; i++) { p[i] = str[strlen(str) - i]; } p[strlen(p) + 1] = '\0'; std::cout << p; } int main() { const char* s = "vBx"; rev(s); … |
| | does anyone know how the binary information in a video file works... i found the file signature... but i pulled one character off after the file signature and it did not do what i thought it would... my code works fine... i just dont understand whats in the binary of …  |
| | Hi, I'm a newbie to C++ so please be patient. I have to create program that outputs a simple moire pattern or a graph of y-values from a .csv file depending on which one is called. The code below is what I have before main and is where I am … |
| | I got run-time error for the following code. I am just starting to get familiar with linked list. Can any one point out what's the problem here? thanks [CODE] #include "stdafx.h" #include<iostream> using namespace std; struct node { int data; node * next; }; node* buildonetwothree() { node* head=NULL; node* … |
| | Hi there! I need help with my assignment. The point if it is to make an array table that will hold various linked lists that hold other items. I already have my code to add and retrieve information from a linked list. I need help making an array that will … |
| | Hi, I am kind of new to C++ and really stuck with a problem. Here I am trying to parse a string and after comparing to a pre-declared array save the tokens in a vector of vectors. It is giving a number of errors and I'm not sure what to … |
 | hello i am having a little problem, I cant convert a double to one decimal place: here is my code [code=c]for(int i=0; i<marklist.size();i++) { double result=floor((marklist.at(i) /maxmark)); cout<< result<<endl; } [/code] I want result to be one decimal place |
| | Hello, I am supposed to write a statement for a Codelab review test that asks: [I]"Given that two int variables, total and amount, have been declared, write a loop that reads integers into amount and adds all the non-negative values into total. The loop terminates when a value less than … |
| | I am writing a model economy in which corporations (class BCorp) and persons (class BPrsn) act as agents buying and selling goods and services. I have a pool of contacts (class BContact) in which contact information is retained about each contact between agents. In a contact object I store a … |
| | plz help me 2 finish my c++ proj on supermarket.i need the exact details of the funcns,sub calculatns............. urgent  |
| | I was trying to make a for loop count down backwards using this loop, but when it gets to zero, instead of realizing that decrementing will bring the number below zero, it tries to make the unsigned short (-1), which is actually 65535 as unsigned. of course, this code produces …  |
| | One of my assignments is to write a factorial function. I have no clue how to start this program. HELP!! This is my assignment.. Example Outputs Enter the number: 5 The factorial of 5 is 120 Enter the number: 0 The factorial of 0 is 1 Enter the number: -8 …  |
| | I have a problem, I want to create a program in C++. A simple program displaying all even number between 1 and 100, (such as 2, 4, 6, 8 etc.) in an out put. Can you tell me what wrong. Something like this. #include <iostream.h> int main() { int num1=1; … |
| | Hi all!!! Could any one help me??? I want to build curve with C++ 6.0, but I don't know how to begin. I've been learned more about this case and the general problem is about header file "graphics.h". It is right?? Please help me!!! thanks a lot.... |
| | I have a text file that I am reading into my program. The data looks as follows: Last Name, First Name, Current Salary, Raise Percentage iller Andrew 65789.87 5 Green Sheila 75892.56 6 Sethi Amit 74900.50 6.1 Ge Robert 81990.23 3.3 Smith David 43221.33 5.5 Jones Mary 33345.12 2.3 Goodman …  |
| | I'm supposed to write a program in C++ to show someone a grade criteria. I need some major help with it! I'm so so so confused! :( here is my assignment. please help me! A >= 90 B >= 80 C >= 70 D >= 60 F < 60 The … |
| | can we make the maze game using header files of conio.h and iostream.h |
| | Firstly i know your gonna say "OMG this guy just want to make his homework using our help" "Wow, this guy is so stupid not knowing this" Yes, i dont know this.. and yes this is my homework.. i'm not asking a direct answer atleast just teach me while pointing … |
| | Here I have another one: The program that should first read in two values from the keyboard, a starting value and an ending value. It should sum all the even numbers between those two values including the endpoints and display the sum. If the ending point is less than the … |
| | a 'challenge' question by my teacher asks me to look in my C++ book, and do a question. it asks me to: write a function powfun() and make it raise an integer number passed to it to a positive integer power and returns the result to the calling function. it … |
| | Hello again everyone, How are you all doing? I am an fairly familiar with C/C++. I have five books on my shelf about programming in C/C++ but none could provide me with a satisfactory solution to this one problem. I would like to graduate from the Hello World project in … |
| | I just finished writing a string class that includes functions for generating random string (why I don't know, as I have never really needed random strings before). Basically the user can pass the function an enum citing what kind of string that'd like (i.e. AllUpperCase or AllNumeric). There is also … |
| | I trying to read in from a file but getting runtime errors can some one help find the .txt file as an attachment [CODE]#include<iostream> #include<set> #include<stack> #include<queue> #include<algorithm> #include<fstream> using namespace std; int main() { const int size= 7; char input[size]; fstream nameFile; nameFile.open("words.txt"); if(!nameFile) { cout<<"error cannot open file"<<endl; …  |
| | Hello, So I am just starting to really use Make files in Linux, and I am getting the following error when I try to "make": c++ -c main.cxx In file included from main.cxx:2: LinkedList.h:39:26: error: LinkedList.cxx: No such file or directory make: *** [main.o] Error 1 Here is my make … |
| | Hello all, I dont know if this is the right area but anyway Heres my situation: I have a software that updates 2 devices firmware's, the software communicates with the devices via Serial Cable(RS-232) , my problem is: I only have 1 serial(COM) port in my motherboard, and i need … |
| | Hey guys, I am making a calculator. It has two "screens", one showing input and one showing output. When the equals button is pressed on the calculator, the calculation is shown on the output screen. I have come across this problem: Let's say I type into the input screen "10" … |
| | Hi every body I want to write a program that get a char value and put it in the pointer array until the user reach to end of line. what is the problem with my code. my code: #include <iostream> using namespace std; int main(){ char str ; int lenght=1 … |
| | Hi, I have a problem with my form application that when I close it (using cross in top right), the whole program crashes indefinately. This has only recently become an issue when I introduced some invoke code for updating a label and picture box on my form I have an …  |
| | I got run-time error in the following simple code, but I don't know what's the problem. can any one help? [CODE] #include "stdafx.h" #include<iostream> using namespace std; void reverse (char * source) { int i=0, j=strlen(source)-1; while (i<j) {char temp=source[j]; source[j]=source[i]; source[i]=temp; i++; j--; } cout<<source<<endl; } void main() { … |
| | Hello I am reather new in c++ and I try to solve some exercises but i got blocked. Can anyone help me with this? The program should read in values until a negative value is read in. It should determine the largest value that was read in and display that … |
| | Hello everyone, I have a problem, I have to get value from edit box, store it in variable and based on that value need to update another edit box. Please tell me how can i get inter value, which is entered by user in visual c++. |
| | #include<iostream> using namespace std; int main() { int x,inpt,ctrl; x=1; ctrl=1; cout<<"Enter a number: "; cin>>inpt; while(ctrl<=inpt) { while(x<=ctrl) { cout<<x<<" "; x++; } cout<<"\n"; ctrl++; x=1; } system("pause"); } can u please help me to invert this triangle? |
| | Hello. I'm writing codeing progam. It reads from file using fstream and then converts simbols to ascii, changes ascii, converts ascii to symbols and writes them to file. I tried to code .txt file with it. It worked perfect. But then i tried to convert .bmp file and then i … |
| | I am trying to make an audio player in visual c++.I am using an audio engine called FMOD which is in a dll to call functions from it for audio playback. How do i import a .dll file to visual c++  |
| | plz help me in writting pseudocode for c++ program |
| | heya.. im creating a quiz program...but i dont konw how to randomize the questions can any1 help me out??? |
| | hello everyone, i get this error when i try to run thsi program..its really nothing, i'm just a new programmer and this si practice but i'm stuck here :( error C2228: left of '.Text' must have class/struct/union 1> type is 'System::Windows::Forms::Label ^' 1> did you intend to use '->' instead? … |
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