Beginners - C++ Forum - November 2009 (Page 20)

game of life the output is not right

#include<iostream> #include<ctime> using namespace std; void fillArray(char ); void display(char ); void generation(char ); void copyArray(char...

[15 replies] Last: i finally figured it out thank you for your help (by bluecoolaid112)

by Ishtar

Generating very good random numbers

Hello everyone Please forgive the state of this code, I have quite literally only started coding C++ today. My question is related to rand() and generating v...

[3 replies] Last: Hello Ishtar, I have found an article about the rand() function wit... (by Tarson)

by JRevor

extern const declarations. How to get them to work?

My code has several files. This is a part of Peli.hpp . /*============================================================================== ...

[3 replies] Last: Oh.. i think i got it. I should have written extern const unsig... (by JRevor)

by Acid

C library function "rand"

Im trying to make some modifications to this game. I dont fully understand some of its code, basically what this is suppose to do is generate a random shooting ...

[5 replies] Last: Each number has the same probability of being the result of that, depe... (by Bazzy)

by jnrf

new / delete operators in for-loop

Hi, I have a question concerning the new/delete-operators: I have written a program: int main() { double *gleichm_stuetzstellenx; double *tscheb...

[5 replies] Last: Is narray been declared a pointer? you can debug your code and can co... (by writetonsharma)

by Vita

How to make simple chat app?

I've learnt basics of C++ programming, but I don't know how to make a simple chat application with winsock in C++. I'm using MiniGW compiler so if anybody could...

[1 reply] : if you google you can find many simple chat programs or client/server ... (by writetonsharma)

by disini

percentage program

Hi,I'm very new to this language, I'm in the midst of doing an assignment for my college and I'm stuck with this lines of codes. #include <iostream> #inclu...

[2 replies] Last: Thanks for your reply. What I'm trying to get is a 2% commission if th... (by disini)

by makan007

Declaring static variable

static int goodAns = 1; if (goodAns % 2 == 0) cout << "Congrats" << endl << endl; else cout << "Good Job" << endl << endl; goodAns...

[2 replies] Last: Hello! Ok, what don't you understand? The static keyword ensure... (by screw)

by murmuls404

Where is the problem?

This program dont work. If there is not even number after odd number,all negative numbers must be printed out from the end to beginning,otherwise positive. ...

[6 replies] Last: [c o d e ] code goes in here then you finish with [/c o d e ] Also... (by gcampton)

by bbbfan

Problems with Cin

Im pretty new to c++, and am really only using cin and cout so far, but im creating a program for a math class that can quickly multiply matrices together. I ha...

[1 reply] : Hello! Here is my probe code: include <iostream> using names... (by screw)

by prob

Displaying a file

In this program I am suspose to be able to edit my grades.txt file. But I'm stuck and don't know how to display my file. Any help would be nice. #include...

[10 replies] Last: This should help: http://www.cplusplus.com/doc/tutorial/files/ E... (by Zhuge)

by TBird

Please explain a DLL to me?

I've programmed in a few languages - JavaScript, PHP, and a proprietary language called GML used for the Game Maker program - but am new to C++ and have been te...

[8 replies] Last: Awesome. Much thanks to both of you. I think I know what I need to k... (by TBird)

by sparky

does not name a type error

Hi, Code::Blocks keeps giving me this error message whenever I try to compile: 'LinkListIterator' does not name a type I've checked for spelling errors in m...

[2 replies] Last: Thank you helios and Alvaro (cpp-home.com). Forward declaration solved... (by sparky)

by spazamatic2

Funtions and powers

I have written a program to have the user enter 2 values and put the first one as the base and the second as the exponent. It comes out the right answer but it ...

[1 reply] : float pow ( int a, int b) { float c = a^b; // ^ means xor in c+... (by Bazzy)

by xxhashxx

parsing user commands into my progam

lets say i have a class that computes the addition. substraction , powers of complex numbers. currently to use the program i have to do this: Complex A,B...

[1 reply] : You can write a simple parser, streams are helpful in this does th... (by Bazzy)

by rishamessi

dynamic array

#include <iostream> using namespace std ; class NumList { private : static int counter ; int* num ; int size ; ...

[6 replies] Last: In the dynamic one, you are calling an unexisting constructor on line ... (by Bazzy)

by xboxmods

How to read every other column of a table?

I have a text file containing 6 columns, that are each 10 rows down. The columns need to be copied to two different arrays. The 1st, 3rd, and 5th go to one arra...

[2 replies] Last: Thanks for the reply. I'd like them to be in the order of the first ex... (by xboxmods)

by akayrak

one vector for two class

how to i create a vector that holds two class' type?

[10 replies] Last: @helios: I will not gain anything. :-) The OP mentioned that he want... (by kevinchkin)

by xxhashxx

fstream , counting the occurences of words.

I am writing a program that uses fstream to take in words from a file and then outputs the the number of times a word is reapeated: my input is of the form: ...

[1 reply] : Another way is to not insert the same word multiple times. Check if t... (by kempofighter)

by scienceskillz

Number Representations Confused?

Hi, I have some code that looks like: char *response = new char ; unsigned short i; double cTemp; the output of : for(i=0;i<=6;i++) { cout <...

[5 replies] Last: char is signed usually, so if you go over 127 (?) then you will star... (by firedraco)

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Beginners - November 2009 (Page 20)