Beginners - C++ Forum - May 2013 (Page 55)

Checking whether a sudoku is valid (still unsolved round 2)!

Hello everyone, I am working on a programme that check whether the rows, columns and subsquares of the sudoku are valid, where the numbering of the subsquares i...

[6 replies] Last: Found the problem with my code! Where I claimed that (i / 3) * 3 is ... (by closed account DEUX92yv)

by ocpodariu

Switch in a loop

Hi. I have the following problem: if i use the "switch" in a loop like "do-while" i cannot see any output until i have exited the loop. int main(){ ...

[5 replies] Last: I got it. I really appreciate your help. Again, thank you very much. (by ocpodariu)

by INeedAHero

Destructor Question

So, I'm writing a linked list class, and I have to make a destructor for it...except we never went over how to do it in class and I have no idea if I'm doing it...

[3 replies] Last: delete first calls destructor, then frees memory. Two in one! And also... (by MiiNiPaa)

by ecv11

Need help with descending order scores.

Instructions: Assume that you are reading from a data file. Each line contains a student’s last name and a test score. Write a program to print out the name...

[5 replies] Last: does this look good. its not doing the output correct. I get blank out... (by ecv11)

by INeedAHero

Deep Copy Constructor in a Linked List class

I am struggling to write a copy constructor for my linked list class. I keep getting the following error: LinkedList.cpp: In copy constructor âLinkedList:...

[1 reply] : "Discards qualifier" usually means you called a non-read only member f... (by Daleth)

by klay2

need help with game bug

its really weird if you look in the code it should display a | in the corner of the screen but it doesn't and if you move left twice (hit "a" then enter then r...

[no replies]

by Tstan

How to not display decimal points

While trying to make a basic code to convert and display temperature, I need the program to show no decimal places so I use cout.precision(0) when I do that it ...

[7 replies] Last: @jidder http://www.cplusplus.com/reference/ios/ios_base/fmtflags/ http... (by Chervil)

by spiritedDedication

nonstatic member reference?

Im trying to access public data members from a base class. But i get an Error: a nonstatic member reference must be relative to a specific object. this is ...

[17 replies] Last: Also i dont understand why SlotMachine::m_creditpool and SlotMachin... (by spiritedDedication)

by closed account zbRGNwbp

SYS_fork

I am having some trouble with the browser-based compiler, codepad and every time I compile a long program, I always end up with an error and a message appears, ...

[1 reply] : It is complaining about line 42 system("pause"); //This is only ... (by Chervil)

by nfordhk

Arrays with If/then statements and fouts

Self Resolved problem.

[5 replies] Last: You didn't answer my question: "What do you think should happens when ... (by MiiNiPaa)

by aliraza1150

similarity of two strings

please correct this code to check the similarity of two strings. #include<iostream.h> #include <conio.h> #include <stdio.h> using namespace std; int...

[2 replies] Last: Well if I was checking the similarity, I would do it like this: #inc... (by pata)

by xcindiix

Sudoku problem: Read integers from file without spaces

So i have a file which is 9x9 input data: 036518090 000302000 050967140 000074086 080009002 701000059 640000801 500700020 270490000 (No spaces!!!)...

[2 replies] Last: I am following the c++ primer, I haven't got to reading from file yet,... (by pata)

by ghutch92

command line call to joyGetPosEx function

How would this code look like in C++? It's currently written in autohotkey, but I would like write it in C++ since C++ is much faster to execute a simple progra...

[1 reply] : How would this code look like in C++? It wouldn't. C++ doesn't enc... (by cire)

by Gumbercules

static member variable

I was just trying to do a simple test using a static member, but my code won't compile and I don't know what's wrong. I tried accessing the variable through and...

[3 replies] Last: Just to inform you, what that line means: At this point, construct el... (by S G H)

by tpinon

binary file beginner

Hi guys, I'm trying to work with a binary file (create, write, read, etc). I can't get past an error on Line 29. " variable or field 'ShowContents' declared voi...

[2 replies] Last: ah that worked. thanks Chervil! (by tpinon)

by INeedAHero

Basic Linked List Question

Let's say you have a delete function. Should you delete the node itself, or just the information in the node? To me, it would make more sense to delete th...

[4 replies] Last: When deleting a node from a doubly linked list, you have to update bot... (by AbstractionAnon)

by megacraft

if statment help!

At the Mob detail part, when I press 1, it goes to the 0 part first. Please tell me how to make it go to 1 when I press 1. Thank you. #include <iostream...

[6 replies] Last: However, the main advantage of the char type for user input is that it... (by Chervil)

by sabbirshawon

Average

Why the average is not working in here? #include <iostream> #include <cmath> using namespace std; int main() { const int age=6; ...

[5 replies] Last: Thanks all of u :) (by sabbirshawon)

by Harish050887

Giving values to class members

I need to set values for variables which are struct members(variable1,variable2) in the code below. values should be different and they are just set once for ea...

[4 replies] Last: The following compiles cleanly: struct mystruct { mystruct(i... (by AbstractionAnon)

by skilzzz

Function not working properly

Hello I am writing a program which prints out information from a file depending on what input the user gives. But I have a problem with one function. First of a...

[10 replies] Last: Wow, I fully understand it now haha. Update was the keyword. Thank you... (by skilzzz)

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Beginners - May 2013 (Page 55)