General C++ Programming - C++ Forum - November 2014 (Page 29)

by hiei2071

List of functions that can create a Unique ID

I'm working on a list of functions that can help create a unique ID for a computer Here's what i have so far: GetAdapterInfo(); RegOpenKeyEx(); GetVolumeI...

[1 reply] : UuidCreate(): http://msdn.microsoft.com/en-us/library/windows/desktop... (by coder777)

by Alice90

Replace some elements in text file.

Hi everyone! I have a text file, like that: (A1* * * *A1) * (AM-MNR*AM-MNR) (V*V) (C-A1* * * * C-A1) Now, I would like to replace some elements, f...

[1 reply] : hmm..you can try posting what you've got so far(just the fil. But I gu... (by rjvc)

by Myna

Need ASAP help with array in C++

I need to write a lottery program that generate 5 non duplicate number between 1-20. Below is my code and it said my is undefined and it is an undeclare ident...

[1 reply] : for (int i = 0; i < 5; i++); try getting rid of this semi-colon..... (by rjvc)

by toast9

binary search tree dfs

I'm doing a depth first search on a binary tree. My function always returns false no matter what I do. I step through the code with break points and it does fin...

[2 replies] Last: It does make sense, thank you! (by toast9)

by jaymez

Reading ints from a Text File with a 2D Array

reading in a maze into a 2D array. The first two reads will give me the dimension of the maze(ex. m x n maze). So in order to create the 2D array i need the fir...

[3 replies] Last: @jaymez So im guessing because i didn't zero it out it couldn't acce... (by whitenite1)

by shareyourjoy

Nested for loop assistance?

Having trouble creating a nested for loop for three and two dimensional arrays. Am I getting it wrong at some point in my program? I'm not entirely sure on how...

[no replies]

by jtrackers

Big-O help

I was wondering if someone could help me out finding the Big-O of these two functions: This function I'm guessing is O(1) but I'm thinking that's wrong. in...

[3 replies] Last: int sum(int A , int i, int n) { if (n == 1) return A ; retur... (by htirwin)

by armonsafai

2D vector problem

cout<<"How many points are there?\n"; int number; cin>>number; vector<vector<node*> >points(number,vector<node*>(0)); for(int i=0;i<number;i++) //labe...

[3 replies] Last: Well actually you'd need to do points .push_back(newNode); Also that... (by Ganado)

by Java90

File .txt with structs

Hello!! I want to know how can I get the information of each contact, I add a contact and save in a file.txt but I don't know how to get the information of con...

[no replies]

by slovit

matrix

my program crashes upon opening but ill need more help after as im am very lost #include<iostream> using namespace std; int main() { int matrix ; ...

[2 replies] Last: In the statement cout << matrix ; What is the value of i and j? ... (by Ispil)

by sudarshanpraz

Reverse a string

Explain this program to reverse an input string: #include<stdio.h> #include<conio.h> #include<string.h> void main() { void reverse(void); clrscr(); ...

[2 replies] Last: I've got just a bit idea about them but still cant understand the prog... (by sudarshanpraz)

by mfb00100

help with array code

Ok so i am new to c++, Please help with the following code. OK SO THIS ARE THE INSTRUCTIONS I NEED TO FOLLOW FOR A SPECIFIC PART OF THE PROGRAM WHICH IS TO ...

[no replies]

by kulkarnisr

Selecting the design pattern

Hi All, Is it possible to encapsulate the state machine using design pattern. State machine might change depending on the object type. Thanks in advance

[2 replies] Last: http://sourcemaking.com/design_patterns/state (by JLBorges)

by Holloway22

Trouble with my getFunctions in header

I'm working on assignment dealing with a class file. the constructor creates a dynamically allocated array of users choice of size. where i have set member func...

[4 replies] Last: Sometimes I just talk myself out of things i already knew haha. Thanks... (by Holloway22)

by Twenper10flat

Error: expected delcaration before '}' token (No bracket error)

There is only one set of brackets, so I know that I did not mess up the brackets. #include <iostream> #include <string.h> #include <string> using namespace...

[2 replies] Last: Thanks a ton. <3 (by Twenper10flat)

by sirlukepotter

Why is my string outputting twice?

Hey guys! I'm working an an assignment for C++, and I've almost got it figured out--except for one little glitch. When I run the program, the prompt I am gi...

[6 replies] Last: Perfect, thanks so much! (by sirlukepotter)

by nightmaregiba

priority queue

I know queue but with priority queue i am really amateur. can you help me implement some functions in priority queue. thanks in advance! template <clas...

[8 replies] Last: In the heapsort function (on the wiki page) there is a value called e... (by doug4)

by Masada

Copy and Overloading constructors

I figured this is the best place for this type of issue. I don't understand how to implement these functions into my program. I have everything else working the...

[1 reply] : That's right! CandidateList(const CandidateList& other); ... (by LazaroBinda)

by CaliNiner1995

Casino Betting Game

I am trying to create a casino game using functions that allows the user to play any of 4 games as many times as they want. The first game is High-Low where ...

[no replies]

by nightmaregiba

[urgent]Priority Queue

I implement copy constructor for priority queue like this, is it right? PRIORITY_QUEUE<T>::PRIORITY_QUEUE(const PRIORITY_QUEUE &aQueue) { this->maxSize...

[2 replies] Last: thnks, anyone help "insert" and "heapify" (by nightmaregiba)

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General C++ Programming - November 2014 (Page 29)