51,593 Topics
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| | Hi, Thanks to everyone I was able to submit my huffman coding assignment successfully.Now I've got to do arithmetic coding and it seems really confusing.I've looked at arturo campos's page [URL="http://www.arturocampos.com/ac_arithmetic.html"]http://www.arturocampos.com/ac_arithmetic.html[/URL] and havent understood using the range 0000h to ffffh instead of [0,1) and adjusting probabilities to be limited to …  |
| | I was wondering if anyone happens to know any good c++ books to learn linked list (single, double, and/or circular)? Something that has explains with code to show how to do it and explanations to the code if possible.  |
| | HI, I am new to C++ and i need help on this topic . Overloading streams . I feel this very difficult to learn after i have learnt java. I have a Base class Called BX [CODE]class BX { public: BX( ); BX( string X, string Y ); // 2 … |
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| | I'm trying to go through a directory and put all of the files into a vector of strings. My problem is that the name of the file is stored, but not its location. Because of this, when I go to open the file later in another function, it doesn't recognize … |
| | I am having a hard time with my homework and I was wondering if someone could help. I have to create a program that uses a while loop to ask questions about a hotel. It first ask the number of the top floor then asks How many rooms are on … |
| | How do I write it so if I have ifstream file("file.txt") that has rows of characters like 60 REGULAR NONE GREEN BEGIN REGULAR NONE REGULAR NONE GREEN END that I can read one line at a time and do whatever I need with it. |
| | so im working on my assignment and it says Percentage of ticket revenue which goes to administrative costs. This input will be entered in percent format (see sample runs below); your program must convert this to a decimal fraction. For example, the user enters 25% as 25, not .25; you … |
| | Thank you in advance, i have starred at this for a couple hours now and i have come to no conclusions. First off, this is an assignment to teach us how to use header files, this is the header that we were provided with: Complex.h [code=syntax] #ifndef Complex_H #define Complex_h … |
| | [code]#include <iostream> #include <iomanip> #include <cstring> using namespace std; int main() { char name[40]; double date1; double date2; double date3; double h1; double h2; double h3; // Name of pole vaulter cout << "What is the name of the pole vaulter? "; cin.getline(name,40); // Month1, Vault1 cout << "What was … |
| | I was just wondering if there was another way to out put text besides cout? I know this probablt sounds weird because cout works perfectly fine and stuff, but I just want to know if all of the input/output has to be done in a cprompt window? Dose anyone know …  |
| | Hello, my question is how can I read decimal from txt file? For Example expression "2.0 1.3 +" - postfix to calculate it. The one that I have right now work for integers but when it starts reading it chops of the decimal part. I can figure out what i …  |
| | Hi , As posted on a previous tread , i am very new to this whole programming thing...(just starting out) I am trying to write a small program to copy folders and every thing in it to a different location? The Platform is Wince .net (4.2 embedded). I can create … |
| | I'm making minor adjustments to a sample program called [b]pdemo[/b] that comes with Dekang Lin's [b]minipar[/b] parser, but I'm having trouble compiling the darned thing without seeing a royal mess of "undefined reference" variables. I'm not particularly well-versed in C++ (I'm far better with higher-level languages), though, so I'm sorry … |
| | [code=cplusplus] string countx(string sky) { int count=0; for(int x=0;x<=sky.size();x++) { if(sky[x]=='x') { sky.erase(x); ++count; } } stringstream ins; string bang; // Declare an input string stream. cout<<"count " <<count; ins << count; bang = ins.str(); sky=sky+"x^"+ bang; cout<<"Sky == "<<sky<<"\n"; return sky; } [/code] Writing a function that will take … |
| | When reading a txt file I am using .seekg to set the startpoint in the file to read from. linepos has a value: 1002106 First I wonder what this value stands for excatly. As I have understand this is how many characters forward in the file that will be the … |
 | [code] void myClass<temp_Type>::myFunction(myClass<temp_Type>* &firstClass, myClass<temp_Type>* secondClass) { } [call] myFunction(*this, &secondClass); [/code] I think I am fundamentally challenged on the "this" qualifier. I want to pass a pointer to the current object(ie the object I am calling the function from), but am stuck trying to pass the "this". Are there …  |
 | Hiii I m just a beginner in C++...Was using turbo c++v3.0... Now just installed Visual c++ 2008 express edition.... Anyone please let me know the main differences between TC++ and VC++?.... how can i make a simple programme written in tc++ run in vc++..which are the modifications?... ".H" could be … |
| | As a homework assignment, I was asked to write a program in C++ that calculates the sum of the even and odd integers in a list of integers given by the user. I think I'm on the right track, but I can't seem to get my loop right. Here's what … |
| | I am stuck, im trying to insert and print out this list of numbers from a file, however i just get an infinite loop every time... any suggestions? [code=c++] // This is the implementation file for class List #include <iostream> #include <stddef.h> // to access NULL #include "List.h" #include<fstream.h> using … |
| | I made the game Mastermind using C++ and would like anyone who wants to test it and let me know what they think. It comes with instructions, but since I wrote them and I know how to play the game, they might not be clear. Note: If this post is … |
| | I'm trying to make a program that will read names and numbers from a file, but I'm quite inexperienced in C++ in general, and most tutorials and help threads I read tend to make me confused. So far, I have used a test file with a text like "NameA 01234 … |
 | this code is a game that uses socket to be able to connect to each other so that there would be a 2player game.. but there something wrong here...here's the code..i'm using linux as my operating system ..this is the client side.. [CODE]#include <stdio.h> #include <iostream> //#include <conio.h> #include <stdio.h> …  |
| | How do i get it to cout what the pointer points to and not the pointer address? [code] int main() { Item* items[10]; items[0] = new Item(5); items[1] = new Item(3); items[2] = new Item(4); items[3] = new Item(9); items[4] = new Item(2); items[5] = new Item(0); items[6] = new … |
| | I was wondering in a doubly linked list how do check to see if the initial list you have is Null? This what I have (would this be correct): [code] node *middleOut(struct node*LL) { node *current = LL; if(current == NULL) { cout<<"empty list"; } //Rest of code is down …  |
| | the below code is to allow user to enter many strings of characters until he enters a fullstop (.) Please tell me how can i calculate the total number of strings the user has entered. #include <iostream> void main() { char a[80]; int i,c=0; for(i=0;;i++) { cin>>a[i]; if(a[i]=='.') break; } … |
| | hi all! how do I multipluy values inside the array I have tied the following but the compiler is giving me a error double a=(h[0]*b[1])+...... |
| | Hi! Can anybody please help me to add many strings in one? I tryied this int a=4,b=5,c=6; string d; d = #a+" Hello "+#b+" bye "+c; I want that d = 4 Hello 5 bye 6 Please help me! |
| | I have this problem where you have a list of odd or even number of items in doubly link list and you have delete the middle one. For the even number one you delete the two middle elements, say you have 1,2,3,...,10 you delete 5 and 6, and for the … |
| | hello! im trying to make a program where entered values should be displayed in a tabulated form. however, as far as i know, everytime we enter a value and press ENTER, the cursor goes to the next line. is there any way where in if a user enters a value … |
| | hii friends..Am new to this community... am a computer science student... I need your help in creating a small c++ game... Its a project for me... I am told to do it in turbo c++... okay... the game is so simple... [U][I][B]A number memory game... random numbers should be displayed …  |
| | [code=cplusplus] #include <iostream> #include <iomanip> #define _USE_MATH_DEFINES #include <cmath> using namespace std; double meanOf3(double value1, double value2, double value3) { double mean; mean = (value1 + value2 + value3)/3; return (mean); } int main() { float value1, value2, value3; double mean; mean=0; cout <<"Enter the first integer whose square root … |
| | hi all, here is a question - all files on windows have certain attributes - readOnly, Archive ect.... how can i add my own custom attributes - Note - i dont want an interface to use them just to be able to get and set them within a c++ program … |
| | i need help with a homework problem, it's writing a program that approximates the sum of 1 + x/1! + (x^2)/2! + (x^3)/3! + ... + (x^n)/n! we're supposed to write a program that takes a value x as input and outputs this sum for n taken to be each … |
 | Hi there, I just saw the thread about helping with assignments but I'm hoping you will be able to share your knowledge with me on this. We have had one week to complete this assignment and I'm beginning to worry I won't be able to finish it, I've tried to … |
| | im supposed to create an address book and so far have gone as far as getting the input..my problem now is the highlighted section..i have to return bak the info put in initially by the user (first, last name and address), based upon a question to the user to input … |
| | I tried to make a simple function that takes an array parameter and outputs it and it keeps giving me th error: \function test.cpp(12) : error C2664: 'func' : cannot convert parameter 1 from 'int' to 'int []' 1> Conversion from integral type to pointer type requires reinterpret_cast, C-style cast … |
| | I am new to link list and I have this problem where you have two lists. One list pointed by HEAD has a list of numbers in it, and the second list pointed by LARGE that contains the highest element(s) in the list pointed by HEAD. Each element has three … |
| | Im having real trouble seeing this, how do I delete something out of a linked list if it is already there? My current delete function just deletes everything out of the list. the text file contains numbers like this: 75 85 95 25 35 75 85 95 25 [CODE]#include <iostream> … |
| | can i have a sample of a working lexical analyzer??plss...i need it for my project.. |
| | I have a vector of strings "moves" [code]std::vector<string> moves;[/code] and the Chars: [code] char fromX, toX, fromY, toY; [/code] I use: [code] sscanf(moves[0], "%c%c %c%c", &fromX, &fromY, &toX, &toY); [/code] and Compiler says: [code] error: no matching function for call to 'sscanf(std::string&, const char[10], char*, char*, char*, char*)' [/code] What … |
| | [code=cplusplus] if(minrange<maxrange) { cout <<"The numbers that are divisible by " <<increment<<" are "; cout <<endl; for(count=minrange; count<=maxrange; count++) { if(count%increment==0) { cout <<count <<" , "; sum1 = sum1+count; } } [/code] this is the code that i wrote. The code is working fine. However, my problem is that … |
| | #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 … |
| | [code=cplusplus] #include<iostream.h> #include<conio.h> #include<process.h> const int max=5; class queue { int r; int f; int q[max]; int temp; public: queue(int l,int m,int p){r=l;f=m;temp=p;} void insertrear(int item); void deletefront(); void display(); }; void queue::insertrear(int item) { if(r<(max-1)) { r++; q[r]=item; } else { cout<<"\nQ is full"<<endl; } } void queue::deletefront() { … |
| | can someone make a simple program that prints numbers in series depending on the persons input .. for eg :- if input is 5 then output should be : 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 ....please help asap .. thank you … |
| | Hi, during an assignment I needed to write a function that, among other things, had to print some of an array values. The simplified version that I show below creates an array of 50 pointers, populates it, and prints the values from main and from a function. I'm really struggling … |
| | [QUOTE] * Calculates and displays: o The number of square centimeters of material that are needed to manufacture a specified quantity of flat washers o The weight of the left-over material, after the washers are stamped. In order to calculate the leftover weight - you will need to determine the … |
 | :o Hi there!!!!!! May I ask for help? After holidays all my C++ knowledge gone. What I need is to create string from integer number and another string as STRING = INTEGER + SUFFIX where INTEGER is 5 SUFFIX is than 'th' so STRING is 5th |
| | I have an assignment to write a pseudo-code to have a list pointed by H (list of numbers) that have to be copied to a list pointed by H1 (only the odd numbers need to be copied). Can anyone tell me if I am wrong on this (not a working … |
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