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General C++ Programming - October 2014 (Page 21)

Ok so the task is to ask the user for a letter and then display weather that letter is a vowel or consonant then ask the user if they would like to continue (y/...

[5 replies] Last: I got it thanks guys it works good now! (by brasile)

by jumper007

Computational Complexity

Hello everyone. I want to study algorithms, but firstly I need to be able to do algorithm analysis and be able to find a random algorithm's complexity (Big-Oh, ...

[9 replies] Last: @ Duoas Thanks again, very helpful!! :) (by jumper007)

by atinesh22990

File pointer not moving to the end of the file

I'm trying to move the File Pointer to the end of the file (check.txt) at line-13. But doesn't matter how many times I run the program out put always comes as ...

[no replies]

by RotatingAxis

Problems with my custom "Array" class

Hello! I am currently working on a custom "Array" class for a project, and I have run into an error I don't quite understand the source of. The relevant c...

[2 replies] Last: Ah, I see now! Thank you for the help. (by RotatingAxis)

by Nebur

Recursion to loop using stack, very simple code

Hello, I want to convert the following program into a non-recursive code using a stack and a loop: void write(int n) { if (n>0) { write(n...

[2 replies] Last: Thanks a lot for your help anyways :) (by Nebur)

by prestokeys

std::result_of

#include <iostream> #include <type_traits> int f(int) {return 2;} int main() { typedef std::result_of<decltype(f)&(int)>::type A; } Can som...

[1 reply] : > why typedef std::result_of<f(int)>::type A; does not compile? f... (by JLBorges)

by Glaven

Random Number Generator and Average Help!

Hey , i need to create a program that has has an array size of 20 and will generate 20 random numbers in it between 1-1000. Then I need to calculate the average...

[2 replies] Last: could you help me on how to do that? I have no idea on how to do it. (by Glaven)

by vandarius

Opening & Reading files with Input/Output

Alright so I've been holding off on asking for help because I like figuring stuff out on my own, but this I just can't get working. I'm in a CIS 143 class which...

[1 reply] : You have to read what's required, and just do that. There's nothing a... (by kbw)

by AbstractionAnon

Identifying cause of deleting released memory

I have a particular class hierarchy that is causing memory to be released twice. What seems to be the problem is the following section of code: void FOO...

[7 replies] Last: A memory that is released twice usually hints at a wrongful copy ... (by coder777)

by MustafaJaff13

Help

I am given an assignment to make, here the question is. Write a program to take two numbers and a character as an input. Ask the users at run time to print lar...

[3 replies] Last: No problem :) (by coltehrman)

by yo2xia

SSE value calculated in C++ eigen is different from true value

I am a beginner of C++. Any help will be very appreciated! I can successfully compile and run the following code: #include <Eigen/Dense> #include <iostre...

[2 replies] Last: @MiiNiPaa thank you, i have got the answer. MatrixXd is more precis... (by yo2xia)

by iszitreal

NEed help with my homework. Almost complete

What can i change in my code to make this run accordingly? using VS2010. The population of a town A is less than the population of town B. However, the...

[1 reply] : First of all, formatting the code would have given line numbers and ma... (by tipaye)

by IamSumit

When System sleeps/hibrante ?

i am looking way to make a text file in windows. if system goes to sleep or hibrante mode then make a text file What apis should i use? Thanks.

[1 reply] : http://www.google.com/search?btnI=1&q=msdn+SetWindowsHookEx http://www... (by Duthomhas)

by yukina05

fixing the sequence of display without rearranging the defined string

hello. when i run this program the sequence of the message was reverse.can you help where did i go wrong?? #include "iostream"[ #include "time.h" #include "...

[1 reply] : Did you write this code yourself? (Because if you did, you ought to kn... (by Duthomhas)

by xiaoshitourasputin

error, convertion into COFF, visual express

hey guys. my name is daniel, and im a new member of this forum. im a student of mathematics, so i dont know a lot about programming yet, but i should learn so...

[2 replies] Last: hey Observer. its working now! =) thy ========== Build: 1 succeeded, ... (by xiaoshitourasputin)

by ErikNymoen

Display vector

I need help displaying my vector in c++. my code is below and search for: I WANT TO DISPLAY MY VECTOR HERE my vector is defined as: vector<Carnivora> List...

[3 replies] Last: are you doing this to teach yourself about templates? If not then don'... (by mutexe)

by RotatingAxis

Custom "String" class problem(s)

Hello! I am currently working on a custom "String" class in C++ for a project. When I just use ONE String, it works fine. However, when I try to create an...

[5 replies] Last: Thank you, I got it working now. (by RotatingAxis)

by bookwormjadi1

Lvalue and Rvalues

can anyone halp me with this id2=toupper(getche()); //id2 is a char //it has an error that says lvalue required //can anyone help me ?

[2 replies] Last: Please, show some context. int should be perfectly convertable into ch... (by MiiNiPaa)

by Noori

nearest neighbor

In this project you are asked to find K nearest neighbors of all points on a 2D space. The distance metric that you are going to use is simply the Euclidean di...

[12 replies] Last: 10 is the number of points in coordintates and 2 is the number nearest... (by Noori)

by MarkyMark

Switch statement not working! MUCH FRUSTRATION!

/*Write a program that asks the user to enter a number within the range of 1 through 10. Use a switch statement to display the Roman numberal version of t...

[7 replies] Last: Please, show me how to get 10 in a single char. Only his problem was q... (by MiiNiPaa)

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