General C++ Programming - C++ Forum

Hi, Is it possible to print memory related info in the code. i mean int main() { can i print memory consumed now int* i = new int can i print me...

[2 replies] Last: Getting resource usage is highly system dependent. A call to getrusa... (by tcs)

by dekeenfrance

accumulate does not work with iterator?

Hi, I have the following code array<int, 5> a = {1, 3, 5, 7, 9}; int tage = 0; auto it = a.begin(); accumulate(it, it+3, tage); However, I d...

[2 replies] Last: Thanks! (by dekeenfrance)

by paul bin

MSVCRTD.lib(crtexe.obj) : error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup

#include <Windows.h> #include <gl/glut.h> #include <gl/gl.h> #include <gl/glaux.h> //#pragma comment(lib,"opengl32.lib") //链接API相关连的opengl32....

[3 replies] Last: At which point in the program does it crash? Do you have any warnings ... (by S G H)

by gfunk999

Recursion

Hi all, I'm new to the forums; hopefully this is the correct place to post this. I was hoping someone could shed some light on recursion. I understand what i...

[2 replies] Last: Good morning Stewbond, Really appreciate the quick response! Thank yo... (by gfunk999)

by Manish Pandey

Which Book to Buy, C++ Primer 4th edition or 5th edition

Hi Everyone, I am an absolute beginner in C++ and right now I am going through the C programming language. With that in mind, please suggest me one of the bo...

[5 replies] Last: I own the 5th edition and I find it pretty good. All new stuff relate... (by mariostg)

by eagleking95

Destructor for class that holds pointer to object

Lets say we have a class that holds a pointer member to another object. If I delete that pointer in the destructor I get an error (and I understand why). My que...

[5 replies] Last: cire's approach actually made me think of something interesting. I wo... (by Disch)

by nheath12

N++ issue

I'm working on a shooting program and it's required to run 1,000 times. As far I know, my code is correct but it doesn't actually run 1,000 times. It's more lik...

[4 replies] Last: Thank you! I changed my code around a little and it's functioning corr... (by nheath12)

by toomanystars

Moving 2D array inside a 2D array

Hi guys, A while back, I had a question about this little stub program. http://www.cplusplus.com/forum/general/92801/ Now, I am trying to model "light...

[2 replies] Last: Thanks Coder777, I ran out of time today, but I will give what you s... (by toomanystars)

by activecat

Polymorphism on class instance is not directly applicable to array of class instances

Below code produces run-time segmentation fault (core dumped) when execution reached line 53: delete array Code 1: #include <cstdlib> #include <ios...

[9 replies] Last: Thank you very much. This really help! I have another question posted... (by activecat)

by closed account 3UMLy60M

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[no replies]

by Ryuuji

Getting Storage Bus Type(SCSI/ATA/ etc) before using IOCTL

Hi Guys, I can't find a way getting storage drives' bus type (SCSI/ATA/etc.) without or before sending commands using IOCTL. Can someone please help me an...

[no replies]

by frank1234

Entering valid user input!

Entering valid user input? Hello guys; I am wondering if you can help me. How can I write my simple program so if the user enters an invalid number, ...

[3 replies] Last: #include <iostream> #include <string> #include <limits> int getNum( ... (by cire)

by Jp P

Garbage Output?

I know what i'm doing wrong, i just don't have a solution and can't word it correctly to find the answer via google. Here's me code: struct Member { ...

[1 reply] : char Interests ;//<------problem You're right, it is a problem. T... (by cire)

by Yom

Creating a .h file

Help, I am a beginner with C++, taking a class right now. The lab this week is to create a user defined class and have it accesses in a seperate .h header fi...

[16 replies] Last: I finally figured out the answer to my question. There are two kinds o... (by Yom)

by tycastill0

PLEASE HELP HELP HELP HOMEWORK

Please help me with these questions!!! Im sooo lost B) i) Suppose that we have this program fragment which is supposed to get the product of the number...

[12 replies] Last: Ok, for Part B, not too sure if I read the question correctly. int... (by osgwsy)

by Jose94ji

PLEASE HELP with functions and illegal breaks

I am suppose to make a program where the user inputs 3.50 for a twinkie using functions and i am lost. This is what i have. #include <iostream> using nam...

[1 reply] : total so far has to have a starting value when you call a function you... (by closed account Dy7SLyTq)

by Shedman

Function to determine if program should continue.

User inputs a value for x and a value for y, then I have this for loop output a series of dots in a vertical line which I then import into excel and create a ch...

[12 replies] Last: [quote=xkcd83]" Throw an exception, and execute the function in a try ... (by closed account zb0S216C)

by copre22

Comma formatting

I'm having little trouble getting the numbers a user enters to be formatted appropriately. I can only use modolus and division for this im getting the first thr...

[2 replies] Last: At this point both, some guidance on how to approach it would be helpf... (by copre22)

by Light512

Hellp

I am starting to learn C++ and i hawe realy shity profesor. I need help with this program if anyone can explain the parts i would be grateful Designing class...

[1 reply] : How about first reading about classes, and making a constructor. See h... (by xkcd83)

by coder1

Good Graph Sources

Hi, i have a test in c++ soon, and i need to study the graph theory and algorithms such as dijkstra's algorithm but when i search it on the internet it seems s...

[no replies]

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General C++ Programming - March 2013 (Page 20)