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General C++ Programming - February 2014 (Page 19)

Changing State Names to Abbreviations

The purpose of the code is to read in state names, say california and print CA. However, if it was a state with two words, it would read in only the first lette...

[1 reply] : #include <iostream> #include <iomanip> #include <cctype> #include <st... (by cire)

by Falkner92

Can you code this for me? (short problem)

Im trying to figure out how to code this problem and i have no idea how it looks. Can someone please look at it for me? Here it is: Implement a sqrt function...

[1 reply] : Sounds and looks a lot like binary search: http://en.wikipedia.org/wi... (by Smac89)

by Foxar

_wrename in WinApi app.

So i am having bit of a problem. _wrename is not working out for me, and returns bizzare values, instead of 0 (succes) it returns 2 or 22; Here is part of the c...

[3 replies] Last: Anybody here willing to help ? EDIT: I compared errno against the err... (by Foxar)

by BinaryBeyb

What's the code? What's the code?

If I input elements I should get the Relative Complement of Set A from Set B. The problem is I don't know the code for Relative Complement. Here's what I've don...

[1 reply] : About this thread please take a look here: http://www.dummies.com/how... (by condor)

by tamcw

LNK2019 - unresolved external symbol, help!

I do not under stand what is going on with my code. If anybody can figure out what is going on, I would greatly appreciate it. My code will not compile. I keep ...

[10 replies] Last: > I answered what I believe is the underlying issue that the OP is ha... (by JLBorges)

by ASQ19

Explain what's going in this code

double *T; int *listprop; double **listval; double *Final_T; double *perm; double *permx; double *permx_orig; double *time_orig; do...

[2 replies] Last: ASQ19's code with code tags: double *T; int *listprop; double **list... (by Cronnoc)

by nadako

How to get around C2665 error

I keep getting this error and I would like to know how to disable it. What I am doing is weird and the code speaks for itself. //The full class is no...

[1 reply] : Can you post the actual error message? Most of us don't have the erro... (by Disch)

by glennpl

C++ bitwise operators

I am having a problem assigning bits a value of 0. The data is a 16 bit integer the bits greater than the 12th bit have garbage either a 0 or a 1. I would like ...

[5 replies] Last: So are you saying that the bits 0 - 11 are greater than the 12th bit?... (by Disch)

by hooshdar3

help needed-bitwise shift

Hello. I want to find a way to find the log_2 of a number that is supposedly a power of 2 using bitwise shift to improve the performance

[9 replies] Last: You should not assume you can do a better job optimizing your code tha... (by Duthomhas)

by zerohero911

What's wrong with my output?

I'm trying to write a program that shows the output of the summation formula from k=0 to n C_(n+1)= ∑ C_(k)*C_(n-k). Here's my code: #include <iostream> ...

[1 reply] : Your problem was explained to you in the other thread you posted about... (by MikeyBoy)

by mattig89ch

trying to pass an array to and from a void function

Hello everyone, I'm trying to pass 2 arrays into a void funtion, and return values to one function. this is the the program I'm working with, after I'm do...

[6 replies] Last: It's fairly simple First: Fixing processArray function prototype you ... (by eyenrique)

by smcguffee

X Macros, Is There a Compiler Flag or Something?

Hi, I was just playing with X Macros for some table generation consistency purposes, but I am running into some trouble with the pre-processing. I assume this i...

[6 replies] Last: OMG, I found it: I didn't have a space after LIST_OF_KEYS in it's defi... (by smcguffee)

by damian519

Vector is different for every class instance

Okay so I have a class Student , which takes a number and a vector as a parameter for the constructor. Everything works well, until I output the values of the ...

[1 reply] : This is why you should avoid making classes that contain arrays of the... (by Computergeek01)

by Anileda

Count lines problem (File stream)

So I'm trying to count the number of lines in a text file that is inputed by the user. Also the code doesnt sum up the last number of the text file (exmp it cal...

[3 replies] Last: Thank you for your help. It works now! (by Anileda)

by Binarydude87

Matrix

The program that I wrote below outputs a random 3x3 matrix to a .txt file. I am trying to create/output a random diagonally dominant matrix to a .txt file where...

[2 replies] Last: I am trying to create a diagonally dominant matrix. My program is only... (by Binarydude87)

by Xilonian

Logic question

I have a game board that looks like the following ( 4 3x3 tic tac toe boards): x | . | . | . | . | . . | x | . | . | . | . . | . | x | . | . | ...

[1 reply] : You should only need four bool functions for this: Horizontal_Win, Ver... (by Computergeek01)

by Chubby

Shifting the array

Write a function that accepts an array of integers and its size as arguments. The function should create a new array that is one element larger than the argumen...

[1 reply] : You're still using array offsets in shifted. Also, you're not setting... (by kbw)

by ImperfectCoder

Read From File & Insert into Linked List

Hey everyone, so I have a program and function i'm having an issue understanding. Here is what it's doing in the main. int main() { orderedLinkedLis...

[4 replies] Last: Great thank you very much! Appreciate the help. (by ImperfectCoder)

by johnmerlino

sleep function vs wait function

I came across another post in this forum: http://www.cplusplus.com/forum/beginner/15716/ In it, someone makes use of a custom "wait" function: #includ...

[3 replies] Last: Another useful difference to note between a genuine wait function such... (by Computergeek01)

by iQChange

Polymorphic Pointer

I have this code: #include <vector> #include <algorithm> class Object { std::vector<Object*> _children; // No QObject é usado um QList aqui Obj...

[2 replies] Last: Construction inserts the object into the parent's tree, but destructio... (by kbw)

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