Beginners - C++ Forum - April 2011 (Page 39)

hy, I'm learnig working with classes and have problem with pointers to members problem is in comment... any help please :) class tijelo { friend void p...

[3 replies] Last: no :/ if main () would be friend of a class then private members will... (by sasanet)

by jackel7777

pointers stack

assuming stack interface: where data is a pointer to some value and next is the next pointer. void *Stack::pop() { Element *popElement = head; voi...

[8 replies] Last: crystal clear...thanks...just needed feedback... (by jackel7777)

by hunkeelin

GA TSP problem

i am trying to code the GA TSP. anyone who heard of GA TSP, you should've heard that you first need to generate a bunch of parents. THe problem is how to ge...

[1 reply] : i think is brute force. (by hunkeelin)

by hunkeelin

user input set data.

#include <iostream> #include <string> #include <sstream> using namespace std; class Student{ private: int size; public: Student object (int...

[6 replies] Last: hey hunkeelin: is this same thread as "dynamic alocation" you posted. ... (by sasanet)

by hunkeelin

how to dynamically allocate

int main(void) { int s = 0; int *instances; Student object; cout<<"please enter the object size"; cin>>s; object *instances = new (object ...

[5 replies] Last: thanks alot... (by hunkeelin)

by mansoorazeem

Deleting corresponding values in Vector

I want to delete voltage coresponding to the device name. For example the earlier code deletes name only.I want to delete the voltage also, so that voltage will...

[1 reply] : for( it=device.begin(); it!=device.end() ; ++it ) { if( (*it).nam... (by matsom)

by teason6

Using multiple Or operators in a while loop

I was wanting to create a loop for data entry verification so that it loops only when a user enters a wrong number. In my code below, you can see that the while...

[2 replies] Last: It looks like I needed to input && operators instead of || operators. ... (by teason6)

by alMarshy

const and temporary

Im reading 'Thinking in C++' by Bruce Eckel and on chapter 8 about constants there is this code, which should be an error as accoring to Eckel the return of the...

[4 replies] Last: ^Yeah, I was confused at first too until I set my warnings to level 4 ... (by firedraco)

by crzypersn

i'm having problems

I'm pretty new at this c++ langauge and I don't know why my code does this. When the console asks you your name and you just put in one word, the program seems ...

[4 replies] Last: thank you. The problem was fixed and my program works perfectly. =] No... (by crzypersn)

by theman

need some help(update)

I have this code. The problem is that the program compile but it doesn´nt work when try to start the program. I start my program from cmd. I use diversion to s...

[2 replies] Last: Hi theman, I've been looking at your code. From what I can gather, yo... (by dangrr888)

by DeeJayParadice

Reading a file

Hey! I'm trying to store the first line of a NotePad document into a string. I already know how to "Open" this file so it can be read and written into, i know...

[10 replies] Last: Sounds good! But i need help getting started still D: This is my funct... (by RecoJohnson)

by ascii

pointer test

i wrote a little test to using pointers and arrays to see what the next data slot would be after the last element of a char array, and i expected it to be a str...

[4 replies] Last: okay thankya :) (by ascii)

by CsqHossein

problem with (try catch)

hi guys please see this code: int x; try { cin>>x; } catch(...) { cout<<"input error"; } if user input an int(), not problem but if user inp...

[6 replies] Last: i understand my problem solved thanks guys (by CsqHossein)

by DivinFalcon

Is this right? I can be sure...

For another assignment, our teacher asks us to take four sum functions (which take from 2, up to 5 variable) and have the last three functions call the one befo...

[1 reply] : The former. If you use a function, ever, it must have its own set of p... (by ultifinitus)

by cainen172

im tired

ok so im making a program and i want to put the classes in a seperate cpp file than the main program. is there a way to do that and get them to run together. ...

[3 replies] Last: thanx next time ill just ask u fer a title :P (by cainen172)

by Jonnyisonfire

Comparing more than two variables?

Hi all, In this program (Battleships game) I'm trying to place the ships in a linear fashion (numbers between 1 and 25). I'm trying to use "if" statement...

[2 replies] Last: Use the AND operator. For example: if (var1 == var2) || (var1 == va... (by andrezc)

by dragongirl411

Read until end of data, not end of file...

Hi all. Long time lingerer, first time poster. I'm having a problem with a roster program assignment. I was given two files to read, one for each baseball te...

[1 reply] : I think the simplest way is to "clean up" your arrays before using t... (by sasanet)

by andrezc

Count lines on text file

Hello, I want make a line count program in C. For example: I have a text file with content: hello my name is John this file have 5 lines. Ok, I need coun...

[7 replies] Last: Thaaaaaaaaaaaaaaaaaaanks! Solved! The code working is: #include<s... (by andrezc)

by Sleepylessjk

while statement! help!

Hey guys, im new with the C++ program. I need help with this question about while statement, cus i have no clue about it. For the following C++ program : ...

[3 replies] Last: num's value starts at 0. Every time the while loop runs, num is increm... (by Stupebrett)

by jazpearson

Need help re-writing this into "better" code

I've written a travelling salesman problem (TSP) algorithm, that finds the quickest route between randomly distributed points, using brute force. This seems to ...

[7 replies] Last: You could make a point/vector class. Then the distance will be (u-v).... (by ne555)

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Beginners - April 2011 (Page 39)