51,593 Topics
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| | hello everyone....i need some help,i am using c++ and vectors, and text files to create a library system and i have a problem.....i used a vector named v1 and i was trying to use an if else to assign a created vectors elements value to another value example like v[10] …  |
| | Hi I want to know how to compile c++ codes using the command prompt in windows. In linux I do [code]g++ filename.cpp -o filename[/code] and run it using [code]./filename[/code] but for windows when I try this procedure in compiling i got an error message [quote]'g++' is not recognized as an … |
| | i want to know what are the lower triangle and upper triangle mean in a matrix. For eg: if matrix is [ 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 ] then what will the lower triangle and upper triangle in this … |
| | Hi, i have a problem with a vector. I declare a vector<char*> moves; in header. Code: [code] void LogView::init(){ int a = 0; while (LogFile.good()){ LogFile.getline(line, 6); moves.push_back(line); cout << "vector :"<< moves[a]<< endl; // here is OK a++; } moves.begin(); cout << "vektor :"<< moves[1]<< endl; // here is … |
| | I am brand new at C++ and I have a programming assignment I have to do. I have to create a directed graph and perform a breadth-first traversal. I have to use an adjacency linked list implementation without using any existing libraries as Standard Template Library. Where do I begin? … |
| | hey guyz... i'm new here... i just want to know how i could end my program after a certain amount of time has passed by... I'm doing a "text twist" program where after 2.30minutes and if the user still has not guessed the correct answer, the program will end... i'm … |
| | hi! to everyone i have to make a program in c++ about factorial but the main problem is that the working of factorial must me shown for eg. 4!=4*3*2*1 like this on the output screen i had done upto here.... [code=cplusplus] #include <stdio.h> #include <conio.h> int main() { long float …  |
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| | Hi Im new to the whole thing of programming and would like to write a C++ program to copy files from one drive to another, any help and suggestions on where to start? Any help with source code or pointers will be greatly appreciated. The OS the program is for … |
| | My instructions are to write a program that assigns a five-word phrase with a single space between words to a user-defined string variable. It then outputs each word of the phrase separately. It must use the phrase "This is a test phrase" in the output, but also function properly when … |
| | I would appreciate if anyone could help me with my program that calculates a hand of black jack. I know the way I created this program is probably not the most effective way but the only thing I seem to have problems with is getting the program to add 10 …  |
| | I'm trying to read in the chars for a file in order to compare two text files. The problem is I can't seem to load space characters into my vectors. Any suggestions for me? [CODE] vector<char> cyphVector; char c; //fill vector with cypher file chars while( cyphFile.good() ){ cyphFile >> … |
| | I am trying to built the program for handling polynomial... using linklist.... and so far i tried to implement in the Class to add the 2 polynomial using the operator overloading i got messed up with the some objects.... i have commented the parts please help..... [CODE] #include<iostream> using namespace …  |
| | Hi could anyone tell me how to compile a three tear program in VC++. I am using g++ in school and so for practice at home I am using VC++ but I just can't get it to compile. thanks in advance.  |
| | Ok, this is probably really stupid, but I'm lost and want someone else to say what they think. My teacher gave us an assignment and said that everything was in the file she sent us. So, I opened it and filled in all the coding as far as the comments … |
| | I would appreciate if anyone could help me with my program that calculates a hand of black jack. I know the way I created this program is probably not the most effective way but the only thing I seem to have problems with is getting the program to add 10 … |
| | [code]return tree == NULL ? -1 : tree->height;[/code] I am trying to understand AVL trees but the one really nice example I found has a couple of methods defined like this. It is really pretty but I cannot read it? Can someone explain it to me? Or even just write …  |
| | Hi, is it possible to find out the size of an array created on the free store? thanks |
| | //challenge,, fix this! [code=cplusplus] #include<stdio.h> #include<conio.h> void main() { struct job{ int at; int bt; }; struct job J[80], cpy[80], temp, cpy2[80]; int q, oh, jbn, x, y, z, t, ref=0, tt[80]; again: clrscr(); textcolor(YELLOW); gotoxy(20,5); cprintf("*** ROUND ROBIN WITH OVERHEAD ALGORITHM ***"); textcolor(10); gotoxy(5,7); cprintf("How many jobs do you … |
| | Hi, Please help me doing Program for "Game of life". Here is the link for that: [url]http://en.wikipedia.org/wiki/Conway%27s_Game_of_Life[/url] |
| | I am develping a program to create an rtf file.The rtf file will be having images in it that will form a border around the page. Here is the code so far: [ICODE] #include "rtflib.h" #include "globals.h" #include "errors.h" void main() { // Set RTF document font and color table … |
| | Now, we all know that // makes a comment. But I have a question about the compiling of the program? Say you were to make a comment with a whole bunch of underscores to signify a different section of code. Does the amount of comments written in the source code …  |
| | I'm a beginer in OpenGl. I downloaded glut 3.7.6 package but I didn't find glu.h, glaux.h, opengl.h, opengl32.h and gl.h in there. Where can I get it ? And if I've found it, how to set it so it can work well. I'm using VC++ 2008 Express. Please tell me … |
| | Write a complete function: DNA represented as a list of the alphabet letters A, C, G and T. How many times the sequence ACG occurs in a specific DNA string. (An example: If the list is CACGTTGCGTACGAA, then the number of occurrences of ACG will be 2.) Write function nrACGOccur. … |
| | I am at the end of my first term in my C++ classes. I have managed well so far, but this program is completely frustrating me! Please help me figure what to do. Okay my assignment is kind of complicated for me.....here is what I am supposed to do, followed … |
| | //can someone debug this program,,, thanks,,, [code=cplusplus] #include<stdio.h> #include<conio.h> #include<dos.h> #include<graphics.h> #include<stdlib.h> #define N 100 struct processors //PROCESS ATTRIBUTES// { float burst; float arrival; int priority; int num; }p[20],temp; struct ssss { int no; int xx; float arr; float burst; float ww; int pri; float wait; }process[N]; void main() { … |
| | I am using Visual C++ 2005 with SP1 why does the following code generate a compiler error (error C2062: type 'int' unexpected)? [code] for(int i=0,int j=0;i<5;i++,j++){} [/code] Note the following two variations generate no compile error [code] int i,j; for(i=0,j=0;i<5;i++,j++){} [/code] [code] int j; for(int i=0,j=0;i<5;i++,j++){} [/code] Is this just … |
| | Hi, I was hoping that someone could give me some direction with how to solve this probem. The only info in this problem is word has N digits[only digits] and the numbers (output) should be in increasing order example 1469 or 468 The output should give all combinations in the … |
| | Hello everyone, I am having a really difficult time getting this program off of the ground. I need to use a while loop to read data from a file and then read tonnage numbers corresponding to names read in from that file. The assignment looks something like this: [I]After watching … |
| | what is a global variable? is that when the variables are located outside of int ()?? |
| | hi everyone, I am making a textpad(basic textfile creator) in c++(console). It can create text files and then load them. But the problem is that when we load a file it can only show the data but not edit it or write further data. How do I code such that … |
| | What is suppose to happen is that I am suppose to take a string like "Micheal Jordan" and reverse it and return it with a comma after the last name. like "Jordan, Micheal" but that is not what i am getting can you help please. I have also included the … |
| | Hello, I am little bit confuse for c and c++. All loops are same in both the languages so why they are different for each other? |
| | [CODE]// file: PayrollFunctions.cpp // Computes and displays gross pay and net pay given an hourly // rate and number of hours worked. Deducts union deus of $15 // if gross salary exceeds $100; otherwise,deducts no dues. #include <iostream> using namespace std; // Functions used... void instructUser(); float computeGross (float, float); … |
| | I know how to declare a 1D vector like below but how do you declare a 2D vector ? [code] List<String^>^ Vec1 = gcnew List<String^>(); [/code] |
| | can somebody help me?Im a 1st yr. college student taking up IT. And we have this case study that I cant seem to answer on my own so I decided to join daniweb. The program that Im referring to is a slum book simulating program. Where you need to enter … |
| | I receive this error message: "[COLOR="Red"]error C2440: '=' : cannot convert from 'char' to 'char [50]'[/COLOR]" when this statement: [COLOR="red"]name_sel = *name [ name_int ];[/COLOR] or this statement: [COLOR="red"]name_sel = name [ name_int ];[/COLOR] is compiled. The context for this is the declaration of an array of names (character strings) … |
| | First let me describe the program All it does is pull in some chars and stores them in a linked list of stacks. I have the code written to pull them in but when I need to print them I dont know how to go backwards without deleting the node. … |
| | [CODE]//file: sticfigure.cpp //Draw a stick figure (main function only 0 # include <iostream> using namespace std; // Functions used ... void drawCircle (); void drawTriangle(); void drawIntersect(); void drawBase(); int main() { drawCircle(); drawTriangle(); drawIntersect(); return 0; } //Draws a circle void drawCircle() { cout<< " * " <<endl; cout<< …  |
| | Hi, i've trying to make a program that reads data for a matrix and print the data for it. I can get the ostream operator to work, however the istream operator wont work. Any got some ideas to help me sort out the istream operator: This is my header file: … |
| | I tried to write my code, and it looks like something like this (i cut some of them to make it readable). [CODE]class TimeSeriesDatum { public: TimeSeriesDatum(); //TimeSeriesDatum( double = 0, int = 0, string = ""); TimeSeriesDatum( double, int, string ); // getter, setter... private: double value; }; // …  |
| | How for me to create gaussian noise to be put into images where the gaussian noise have several level of noise. Eg) i can select 10% until 100% for the level of gaussian noise to be inserted into the images. |
| | Hello there, I just would like to ask what are the basic needs in order for me to develop a mail library using C#. I've been googling around for good tutorials in developing mail libraries but haven't found any decent one. Thanks! |
| | Can anyone help me by telling me where to find twofish source code other than from scheinier website?? I just want to find a sample source code of encrytion and decrytion using twofish algorithm. Thx a lot for the help.. |
| | Im just getting garbage in the output. It outputs the correct number of items but its not the right numbers. Im not sure why it is happening. The text file just has numbers like this: 12 34 56 34 67 23 64 23 [CODE]#include <iostream> #include <fstream> using namespace std; … |
| | Ok I'm doing my final project for my Data Structures class and have a quick question. This hasn't come up in any of my programming classes yet (which now that I think about it, is kind of odd but oh well). What I'm having to do is write an interactive … |
| | How do I get the data from file into the Insert function? Or more general how do you get data from a file and put it into a linked list? [CODE]#include <iostream> #include <fstream> using namespace std; class List { public: void Insert(); void Print(); }; struct node { int … |
| | hello can anyone tell what header file should i use in making graphics in c++? im starting to make graphics work in my programs and im a newbie... :) |
| | Hi, I'm need to be able to load bitmaps, preferably as resources, draw them, and get their size. How would I do this? I'm on Windows, and using Dev-C++ 4.9.9.2. |
| | uuhm.. im my program.. MY prof wanted me to have some text color and back ground color.. will you suggest what codes I should use? and where Should I place them? thank you! |
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