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Beginners - November 2013 (Page 48)

weird numbers on matrix multiplication

hi, first of all, sorry for my english, is not so good as I wish it was. I'm having some weird numbers on the output of my code, when I run the program it show...

[1 reply] : Line 35: uninitialized array. Line 37: use of uninitialized value. If... (by keskiverto)

by sarfrazm7

Letter Frequency help plz

Hi, I am new to c++. I am writing a program that reads in a text file and gives a count of how many times each letter appeared in the file. I got it to read t...

[4 replies] Last: I just use this definition of SortArray because I had used it previou... (by cire)

by QataJo

Why wont it work?

#include <iostream> #include <cstdlib> #include <ctime> using namespace std; void DisplayMenu(); void Addition(); void Subtraction(); int main() { ...

[4 replies] Last: I'm a bit confused with how you corrected my program with the changing... (by QataJo)

by amitk3553

errors in arguements in function call

Hello all, I had developed function in following way in my code, i am getting errors given below. Please let me know the cause of these errors. Function d...

[no replies]

by miniman1013

Help - what am I doing wrong???

Hey... I'm not sure what I'm doing wrong here - REALLY need this done soon, as I have this due tomorrow!!! #include <iostream> using namespace std; ...

[3 replies] Last: You will be using all of that for the rest of your class, I seriously ... (by IWishIKnew)

by tesseract92

Text file with Parallel Arrays

I'm trying to read a file that then sorts three sets of data (states, miles, shelters) into three parallel arrays. I've compiled it, but I'm still getting some ...

[3 replies] Last: seekg, not seekp. seekp() is a member of ofstream. The way I remembe... (by IWishIKnew)

by bebarb

Exception handling

Hi guys, I'm having some issues with exception handling, although I don't know why. I'm probably just tired and over worked but for some reason it's not cli...

[4 replies] Last: Wow, I'm not sure how I didn't catch that. I think logically speaking ... (by bebarb)

by the famousone

to cire about the allegro error message

The error message is "function aquire_screen() undefine". "Function makecol () undefine". I am using allegro5.0.10 for msvc10. I am also trying to run an edited...

[1 reply] : Can you give the exact error message rather than paraphrasing? A quic... (by cire)

by ccwtree11

Help with overloading

My task is to implement the output shown in the first attached code file. I, unfortunately, am attempting to learn a lot of this as I go, so I'm really lost. My...

[no replies]

by TRAINWRECK

First time poster (I'm sorry)

I'm going to be honest this is a homework question but its one specific thing that I am confused with. All the parts of the problem have to be done with while l...

[8 replies] Last: Thanks that did the trick! I ended up doing something slightly differe... (by TRAINWRECK)

by dreaddie

need some assistance

got this question as a course work an i am totally out of it...........any of you smart programmers can assist.........also need help writing the pseudocode. i...

[1 reply] : You didn't learn anything in class?? (by IWishIKnew)

by closed account G60iz8AR

swap function

How to find the swap function ? #include <iostream> #include <string> using namespace std; // YOU WRITE THe SWAP FUNCTION PROTOTYPE HERE int main ()...

[1 reply] : um... int y(1), x(0); swap(x, y); //x and y are swapped... Mabey y... (by IWishIKnew)

by Kaan Kara

Divide and Conquer

Hello, I tried to understand this piece of algorithm anlysis through slides and youtube but I can't understand the part that why we multiplied T(N/2) with 4...

[1 reply] : http://www.cs.berkeley.edu/~vazirani/algorithms/chap2.pdf (by mobotus)

by NoobCoder85

NEED HELP WITH "WHILE LOOP"

This is what I have to do: 1.Create a variable named total (double floating point), a constant double variable named TAX=1.13. 2.Create and 10 element array...

[2 replies] Last: Global constants OK. Avoid global variables like you have here. doub... (by mobotus)

by metulburr

confusion of error

I ma not sure why i would be getting this error. After awhile of not figuring it out, i figured i would ask the forums. I am not sure if i acciedently deleted a...

[1 reply] : ok figured it out. After posting i reviewed the code one last time, an... (by metulburr)

by enz0

Blackjack game

Hi there, I need to make a simple blackjack game where you input the cards and the program outputs your total value. The problem is for some reason when I input...

[1 reply] : While in a traditional blackjack game, you don't input your cards, but... (by CplusplusAcolyte)

by painith

Arrays in a function

I need help with this program. I need to use 3 different functions. The first function should read in N amount of integer values from the user.If any values are...

[2 replies] Last: In your function "getData", your while loop is not prompting for them ... (by Parasin)

by AARGH

linked list; why is it defined struct Node * next inside the struct?

simple question regarding a pointer declaration. why is struct required for the Node * next? class dude { int na; struct Node { int ...

[4 replies] Last: It was because the names for structs were not in the same visible spac... (by Duthomhas)

by Randall

pthread and fprintf(file_descriptor,..) question

I can use pthread_create() to kick off 7 threads, each thread contains a fprintf(unique_fid) command However I have noticed when running the 7 threads, the f...

[2 replies] Last: The most obvious answer: Each thread does not have a unique file desc... (by Disch)

by density

what can we put in an array

Hello, Is it possible to have an array where each position of the array is an array? Thanks!

[2 replies] Last: Yes. That's called a two-dimensional array. There are two ways to do ... (by Duthomhas)

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