Beginners - C++ Forum - May 2017 (Page 18)

This is my first time trying to modularize in C++. I'm confused as to what value returning functions are compared to void functions, and when to properly use on...

[3 replies] Last: I'm used to programming in Java and not worrying about if I have to r... (by mbozzi)

by glungie

why does this simple function not work

So I'm just trying to learn C++ and Visual Studio is apparently not wanting to work for me. What is wrong with this code? #include <iostream> using name...

[12 replies] Last: be sure you did a rebuild all in your project. The other options can... (by jonnin)

by shinxg

how to output the elements of a vector on one line?

how to output the elements of a vector on one line? for(int i = 0; i < result.size(); i++) { std::cout<< result ; std::cout.flush...

[4 replies] Last: return indices of the two numbers such that they add up to a specific... (by gunnerfunner)

by heraclies

trouble with, if statements

can someone please help me understand why my code keeps returning 0 for my taxBracket variable? #include <iostream> using namespace std; int computeTa...

[1 reply] : if (0 <= yearlyIncome < 15100) taxBracket = 10; if (15100 <= yearlyIn... (by chicofeo)

by seungyeon

polymorphism and pointer arrays

i cant do this? Domestic *bucketPets = new Puppy; int menuarray = {new Puppy}; //i want to make a menu for my 4 classes all inherited //dog cat ki...

[5 replies] Last: i want to make a menu now //my beginning of my pointer to array menu... (by seungyeon)

by darje

cant understand why this program not runing

Write your question here. main #include"ArrayList.h" #include<iostream> using namespace std; template<class T> void func(ArrayList<T>&object) { in...

[11 replies] Last: ¿what's the rationale behind this `run anyway' option? I'm not sur... (by cire)

by Chamat

Why is this corrupting the stack?

I have an array of integers, and an array of booleans in which I'm trying to set the boolean values to true to a corresponding integer value. For example in ...

[2 replies] Last: A silly mistake on my behalf, thank you. (by Chamat)

by karlemange

(1.0/a*a) vs. (1.0*a/a) - what is the difference?

(1.0*a/a == 1.0) (1.0/a*a == 1.0) they all output 1. but the first bool output true, while the second bool output false. i think it's about t...

[8 replies] Last: I gave the explanation before testing the program. When I did test it ... (by Chervil)

by blahblah123

Issue with program

So I'm learning about if and else structures right now and for some reason my program that I'm working on won't accept one of my strings whenever I try to use a...

[7 replies] Last: Hello blahblah123, You should initialize all your variables when you ... (by Handy Andy)

by Kiryu

Delete std::vector with non-pointer ob jects when deleting Class

Hey, I'm new here! :) I'll jump right into it! I'm writing a game with a minecraft-style world. Minecraft stores all it's blocks in a 'Chunk' system consis...

[7 replies] Last: I don't remember if I have used this, but I've heard of it: https://gi... (by mbozzi)

by JorgeChemE

Sum of rows and columns in a matrix

I have an excercise with the following statement: "Read through the keyboard a matrix with size 10x10, display the sum of each row and column of that matrix". ...

[3 replies] Last: You had it to begin with. srand(time(NULL)); //different every run ... (by jonnin)

by elabass

compare f a number is less,equal or greater than 10

what is the pseudo code for comparing if a number is less than,eaqual to or greater than 10. Thank you in advance i got the code but as a beginner i want to kn...

[2 replies] Last: what is the pseudo code for comparing if a number is less than,eaqual ... (by elabass)

by closed account y7p9z8AR

help on an assignment

Hi i need help on an assignment im taking. my professor said : You are to create a program for a restaurant. Your program will only capture the meal sub...

[5 replies] Last: Thanks chicofeo for the help. very much appreciated. (by closed account y7p9z8AR)

by DimaMog

Operation Matrix

I have a program that performs the operations of union, intersection and difference of sets. These operations are performed using the operators (+, *, -). I ent...

[3 replies] Last: How can I create such a matrix from 0 and 1, so that it works like thi... (by DimaMog)

by globaltourist

Huffman algorithm

Hello. I have been using the forum for almost a year and always got help from people around here. The forum contributed greatly to my c++ skills, a language i ...

[3 replies] Last: The code was edited to use unique_ptr for memory management and namesp... (by globaltourist)

by binaary

Needing some help with a text base game.

Morning. I'm a completely new programmer who hopefully plans on going to college this September, so I'm trying to get a good head start with C++. I've decided ...

[3 replies] Last: @moschops cheers for the help @Flaze I just found a tutorial. well co... (by binaary)

by supp

Strings and functions

Write your question here. #include <iostream> #include <fstream> #include <string> #include <cstdlib> #include <iomanip> #include <ctime> using name...

[3 replies] Last: My guess is that it clashed with std::function (http://www.cplusplu... (by gunnerfunner)

by mehnaaz

When Compiling, Value Not What It Should Be

EDIT: I realized what was wrong. Thanks anyways. My assignment is the following: Design a class that has an array of floating-point numbers.The constructor sh...

[2 replies] Last: don't set a value for small on line 42 (by boredsatan)

by PandaYTB123

Expression must have a modifiable lvalue

What's the problem with this code? I want to make a prime checker I use the following formula If a number nr is prime, than this equation will be true (nr-1...

[1 reply] : = is not the same as == Do not use = when you meant to use == ... (by Moschops)

by xxvms

clarification

I have small puzzle, with operator || and &&. when I tried to break from do/while loop I tried this condition while (ans != 'n' || ans != 'N'); ...

[8 replies] Last: Hi, Not constructor, that is a different concept. Perhaps I should h... (by TheIdeasMan)

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Beginners - May 2017 (Page 18)