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General C++ Programming - March 2016 (Page 7)

For my c++ class we are to find the coast altitude and burnout altitude of two rockets. We are required to use the specific function prototype. When I run the b...

Mar 23, 2016 at 9:05pm

[1 reply] : Do not doublepost. Other thread: http://www.cplusplus.com/forum/beginn... (by keskiverto)

by michaelsilva

Compilation never ends

I'm a c# developer and i'm trying develop a finite state automata in c++ but the member function chaining is causing compilation never ends. The project can be ...

Mar 23, 2016 at 2:45pm

[4 replies] Last: It works with g++ -std=c++11 clang generates the same binary with 14... (by ne555)

by Mathes

:: without namespace

Hello, recently I saw the following compiler error error: ‘::main’ must return ‘int’ . That reminded my that long ago I wondered why sometimes yo...

Mar 23, 2016 at 2:18pm

[2 replies] Last: Thank you very much! Not only do I now understand, I also learned som... (by Mathes)

by AfroManCompsci

User integer and character Validation

Okay so now every time I run my program i try to check to see if i enter the same seat twice it displays the message but doesn't count it towards the overall sa...

Mar 23, 2016 at 9:47am

[1 reply] : Hello, you call getData to receive the row. Then you change classCtr ... (by Mathes)

by raiiiny

Help with Nested Loops

I'm having trouble with my program and the nested loops. I can't seem to get it to output to the text file correctly. It is only outputting the last quiz result...

Mar 23, 2016 at 9:22am

[3 replies] Last: need not to create the new loop inside that loop only u can do it af... (by sylphsang)

by Kubani

Defining a vector with the at least size

Hi, By reading the following drill I see that I should define a vactor like this: #define vector Vector class vector { int* p; public: /* ... */ ...

Mar 23, 2016 at 8:25am

[10 replies] Last: Try: http://herbsutter.com/gotw/_100/ (by keskiverto)

by susu5

linked list

I have to write a function that takes linked list of items and deletes all repetitions from the list. but I have some errors. can you help me with the code. thi...

Mar 23, 2016 at 5:57am

[1 reply] : What error are you getting? compilation or run time error. Looks like ... (by sylphsang)

by closed account owCkSL3A

Pass by referenct function- need help

Mar 23, 2016 at 5:18am

[1 reply] : a == x1; b == x2; c == t; should be like a =x1; b = x2; c = t; == i... (by sylphsang)

by technologist

loop issue

When I run this in my Eclipse IDE it goes into an infinite loop printing nothing. If I run it in c++ shell on line, it performs what it is directed to do (outpu...

Mar 23, 2016 at 5:04am

[3 replies] Last: It's an old bug (status 'WONTFIX' for nine years and counting) in ecli... (by JLBorges)

by james87and

Cant figure out whats wrong

I cant figure out what I did wrong. Im pretty new to this #include <iostream> using namespace std; int main() { int c = 0; if ( ( c = cin.get(...

Mar 23, 2016 at 4:29am

[3 replies] Last: PS next time use code tags. http://www.cplusplus.com/articles/jEywvCM... (by SamuelAdams)

by jhacob40

Optimized Bubble Sort

Can someone help me to modify this bubblesort? #include <iostream> #include<conio.h> using namespace std; int main() { int size,x,y; cout << "H...

Mar 22, 2016 at 11:54pm

[5 replies] Last: the best way to optimise bubble sort is to drop it and use another alg... (by ne555)

by Xriuk

Overwritten virtual does not get called as expected

class A{ public: virtual void func(); }; class B : public A{ void func(bool f = true); }; A* var = new B(); var->func(); // This should call B's fu...

Mar 22, 2016 at 11:09pm

[5 replies] Last: http://stackoverflow.com/questions/411103/function-with-same-name-but-... (by keskiverto)

by buddha87

Will socket get the forwarded IP packets?

If I configure the ip forwarding in linux, e.g: forward the IP 192.168.2.1/24 to 192.168.3.1 Then my socket is binding with 192.168.3.1. In this case, will ...

Mar 22, 2016 at 9:49pm

[no replies]

by Indianna32

several different pivots in quicksort

I have been working on this for the past little while and have come to a point where I am unsure how to fix. The program is supposed to take 3 separate files te...

Mar 22, 2016 at 8:14pm

[1 reply] : int median_partition(int* arr, int start, int end) { int x=arr ,... (by Indianna32)

by thomas1991

Help with my Tic-Tac-Toe program

Hi, I'm currently working on a console application to play tic-tac-toe against the computer. I was able to get the computer to randomly select moves, but now I'...

Mar 22, 2016 at 6:51pm

[1 reply] : here's an edit that made it somewhat work, but the computer gets stuck... (by thomas1991)

by scarface382

A custom associative container that is faster than std::map

It uses stl heavily and is faster than maps by about 15%. (I know that the number seems vague but showing my test results would be too long for this post.) ...

Mar 22, 2016 at 4:43pm

[8 replies] Last: I'm sorry to say this, but in my experience, sorted vectors are a real... (by dhayden)

by ashlclm

Postorder binary search tree traversal

This is for homework, I have done a few implementations for preorder/levelorder, but am having a difficult time. iterator is biderectional, using a stack. I un...

Mar 22, 2016 at 2:38pm

[1 reply] : here are implementations.. template < class C > void PostorderBT... (by ashlclm)

by rajhansk

how use this

how to use this to convert text to double temp = Convert::ToDouble(tbTempF->Text)

Mar 22, 2016 at 1:32pm

[2 replies] Last: What is the problem ? temp = Convert::ToDouble(tbTempF->Text) if te... (by Thomas1965)

by sharan619

Prog error...plz give solution 4 this

#include<iostream.h> #include<conio.h> class linked_list_stack { private:struct node { int data; node *link; }; node *top; node *entry; node *...

Mar 22, 2016 at 1:22pm

[3 replies] Last: Tell you what, allow me to demonstrate to you why you should INDENT YO... (by Moschops)

by artganseforth

OpenGL / MinGW: undefined reference to 'glGetString' - solution

Hi All, if you get linker-errors with MinGW concerning 'glGetStrig' or 'glGetSring@4' etc., inserting the followinng codeline somewhere in OpenGL initialisat...

Mar 22, 2016 at 12:49pm

[4 replies] Last: There you migth be right. I'm not good in setting up c-compilers and t... (by artganseforth)

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