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General C++ Programming - March 2010 (Page 16)

Implement the mergesort algorithm in C++ as it sorts the following array into ascending order. List the calls to mergesort and to merge in the order in which th...

[2 replies] Last: If you don't know how the alg works look it up. Pseudocode is all over... (by tummychow)

by kyleg033

making a popAndDiscard stack method

Make a method called popAndDiscard that removes and discards a user-specified number of elements from the top of the stack. This method does not return a value...

[5 replies] Last: Well your exception specification does not match what your function ac... (by jsmith)

by dcfjoe

C++ File Input/Output Problem

The purpose of the program is written at the top in the comment statements. My problem is with the second half, with the file output. I have tried the file inpu...

[5 replies] Last: I am sorry for asking the dumb question, I used VS Intellisense to sho... (by dcfjoe)

by siavash2

Strange SegFault

Hi everybody, Can anyone tell why there should be a segfault in this portion of my code?! 107 char *tmp=strtok(tempo,"/"); 108 char *fileName=tmp; 10...

[5 replies] Last: Thanks to all replies :) I think you are almost right. Cheers, (by siavash2)

by chewykb24

unsorted list...

Hey everybody! I know what i want to do, im just unsure of how to do it. I want to make an array and each index in the array pointing to an unsorted list. Im no...

[5 replies] Last: yea i tried it the first way earlier but i forgot to initialize it (du... (by chewykb24)

by cptchlamydia90

Error problem

I have a problem to do for class. We are to create a function named mult() that accepts two floating-point numbers as parameters, multiplies the two numbers, an...

[3 replies] Last: You're not supposed to have cin in your mult function. The idea is ... (by Disch)

by ohsnap1319

Complex Numbers

Hello Everyone! I am currently working on a program that adds, subtracts, and multiplies complex numbers. However, I am currently getting some very weird err...

[2 replies] Last: ok thanks for the help...if I have any other problems I will post it h... (by ohsnap1319)

by mandolin

my code is wrong:(

i have tried a lot to solve this problem but still my code is wrong could any one help me!!,this the problem: FirstName LastName Ali Abdallah Maged Sayyed S...

[7 replies] Last: Did you even look at his code? He just need to fix very few things and... (by maikel)

by smilingTiger

fifths to tenths of a second

Hi. I'm new here and new to C++. I'm writing a program which analyzes a race horses pace performance. The data I get is formatted thus: i.e. second call ...

[1 reply] : Nothing automatic. You'll have to parse and convert the values yourse... (by jRaskell)

by btripp

Interesting Macro idea.

Hey, Is there any way to make a macro/template that for example when a new project is created, will automatically make a main.cpp file that is populated with th...

[7 replies] Last: Yea I would have. Ive read the reasons why. Also, I just found out the... (by btripp)

by yumito

Problem with for loop

When asked to enter a number between 1-3 it should give an error and reask the user to enter another number but when i enter 4 it accepts it. Here is my code: ...

[4 replies] Last: Why dont you use switch case for option . (by bluecoder)

by firedraco

usleep/sleep/Sleep/etc

I was talking with someone in my CSE class and they said: [quote=They]I once read that sleep and usleep should never be used simply because the parameter giv...

[4 replies] Last: Not necessarily. The granularity of usleep cannot be any finer than... (by jsmith)

by CDS

Simple Bar graph with larger numbers

Hello there, I'm new to C++ and I want to do a simple graph with large numbers like 96.5 to 100. I found this in a post on this forum but is closed to re...

[6 replies] Last: Well, it's possible, sure, but then 1.1 == 2.0, 1.2 == 3.0, 1.3 == 4.0... (by jsmith)

by konradsa

double vs float... can somebody explain this code to me?

Why is the output of this piece of code 12 nan If I replace double with float, it works as expected, the output is correct. Thank you! #include <io...

[8 replies] Last: Thanks webbertiger, I got it now. (by konradsa)

by jasonSung

How to run this experiment?

I have a test instance (i.e. graph) and two algorithms. I am using visual studio 2008 (C++). I have each algorithm in each project folder (i.e. algorithm...

[2 replies] Last: or use function overloading if they doesn't take the same paremeters. (by chimera)

by manny321

Can anyone please show me how to do this sample problem?

Shipping Charges The Fast Freight Shipping Company charges the following rates: Weight of package (in kilograms) Rate Per 500 Miles shipped 2 Kg or less ...

[6 replies] Last: you have to include <iostream.h> (by bluecoder)

by billinares

Understanding vs using CppUnit

Hi I've posted this question in the 'Beginners' section and got no response. I'll give it a try here, hope I'm not breaking any posting rules: I've been u...

[no replies]

by shenh

How to allocate 2D array dynamically?

I need to allocate a 2D array as a 1D continuous array with the following code, double **allocate_2D_array(int row, int col) { // input: row, col number ...

[1 reply] : I go over some techniques here: http://cplusplus.com/forum/articles... (by Disch)

by kyleg033

checking if a string is within a language

I need a bit of help with a homework problem. I think I have a good start I am unsure how to break up a string letter by letter so that I can push it into a st...

[2 replies] Last: That was the perfect answer, thank you very much! (by kyleg033)

by CPlusplusdna

linking problem with borland

Hello, I am getting an error message during linking (ilink32) - Fatal: Unable to open file: CW32.LIB here is my command line: ilink32 -aa main.obj file1....

[4 replies] Last: @kbw I moved these files into the working directory from the lib di... (by CPlusplusdna)

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