Beginners - C++ Forum - April 2015 (Page 42)

Hey everyone. The program I'm working on is going well and I'm just about done, largely thanks to all of you. There is only one more thing I need to do, and tha...

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by confusedengstudent

array display

I'm having trouble getting this 2 dimensional array to display as a pyramid, and i have no idea where to begin. #include <iostream> #include <fstream> #in...

[2 replies] Last: I need to figure out how to do it with an array because later on I hav... (by confusedengstudent)

by sha92

Prime Number Function

Hello, My code doesn't give the output, prime numbers 1-100. What have I done wrong? #include<iostream> #include<cmath> using namespace std; int n, ...

[9 replies] Last: great! it works. Thank you so much :) (by sha92)

by GIjessiebear

Weather Statistics

Code is providing the wrong number for calculating the average monthly average temp #include <iostream> #include <string> #include <iomanip> #include...

[5 replies] Last: it is outputting the wrong number 141.867. I expected around 70.933 ... (by fg109)

by WDman420

Can array have a value of a struct with a couple members in a struct ?

Can array have a value of a struct with a couple members in a struct ? struct allCarsGarage { int carOwnerId; int carId; } Ca...

[3 replies] Last: And I wanted to use it to sort all of the cars carId ONLY You cant ... (by TarikNeaj)

by Jokernxs

Object orientation programming

Write your question here. Int x=20 Int y=1 If (x <0 || x>y&&y != 9) --x --y Cout <<x<<""<<y<< endl This is in the book oop c++ but when I run thi...

[3 replies] Last: This is how the book we are using for this class showed the code h... (by TarikNeaj)

by Remludar

freeglut warning will not go away

I'm creating a simple window using opengl and freeglut. #include <windows.h> #include <GL/glut.h> void display(void) { glClear(GL_COLOR_BUFFER_BIT...

[1 reply] : Is there no one who has experienced this or knows the answer? (by Remludar)

by agamatr

How do you sort a stack using selection sort?

Part of my homework includes sorting a stack using a selection sort and I don't know how to do that.. We might have done it in class but I don't remember. Basi...

[4 replies] Last: I guess pop can be considered a top function.. The public functions ar... (by agamatr)

by GIjessiebear

Password Verifier, trouble verifying password

Trouble getting this to run through checking the password properly, please help. I have been running through this for a week now. I can't seem to find my error....

[2 replies] Last: Thank you!! I changed that and it works perfectly now. I tend to over ... (by GIjessiebear)

by adoweb

Creating objects during program.

Hi there, i'm creating my simlpe program about cells in petri-dish. I have class CELL with data memeber called energy a and some member functions. I can de...

[1 reply] : yesterday i learned object can't be made from variables That is not ... (by keskiverto)

by TieRein

integer being reset to zero

I'm trying to figure out why my code keeps resetting the power once entered, back to zero once the function goes back to main. Any ideas fellas? PS: This is ...

[3 replies] Last: set the power variable as a static variable. (by confusedengstudent)

by Futbol

Array

I've been working on a project for 3 hours now and I've got this random guessing game to work flawlessly but i'm having a hard time creating an array that can k...

[5 replies] Last: Using your code, I can only play the game once, if I type in Y or y it... (by TarikNeaj)

by dkumar3

c-equivalent of "reference" and "reference to a pointer"

Could someone please let me know the c-equivalent of: 1) reference? 2) reference to a pointer "*&"? In other word, if my function is like this in CPP: void f...

[2 replies] Last: @TarikNeaj Thanks for responding. Let me first summarize what I kno... (by dkumar3)

by mighty asker

Range-based loop problem

The loop won't break. //string second="45670"; //string first=""; //int max=7; for(char temp:second) { first += temp; if(temp==(cha...

[12 replies] Last: Thank you. You're talking about the second table, right? http://www.t... (by mighty asker)

by newbie23

How to check if argv contains a letter

Write your question here. if the command argument was 123abc3, how would check for the letters in that argument and cout an error, really struggling and dont k...

[1 reply] : #include <iostream> #include <string> int main( int argc, char* argv... (by JLBorges)

by Vandalism

Insert Node

I want to insert a node 2,4,6, and 5 and it should be inputted that way but it outputs 5,6,4, and 2. How to fix this? #include<iostream> using namespa...

[3 replies] Last: I fixed it! Thank you! void Insert(int data) { Node*temp = new Node(... (by Vandalism)

by Lee125

symbol "->"

Can anyone explain I Did not understand the symbol "->". it=mylist.begin(); if (it‐>word == mystr.word) // if word of it...

[12 replies] Last: I didn't get this symbol also (by Wilma Negron)

by alexandre0224

logical operator question

can someone explain to me why the output would be ans is 5?? else if (!y||!x) ans =0.5; //why it is true? #include<iostream> using namespace std; in...

[3 replies] Last: See my edited post, i mistook x for y before. Am sorry ! (by bazetwo)

by mighty asker

Using sort() with function

Hello. This is my sort() function: sort(evens.begin(), evens.end(), second); ...which is using: bool second(int i, int j) { return (find_prod(i)<find_pr...

[7 replies] Last: keskiverto, Could I do the same with this ( http://www.cplusplus.com/f... (by mighty asker)

by Xatasha

New Problem, see recent post please!

I'm working on a function to open a file, and mostly it works. This is the code I have based on my example: void open(ifstream& fin, vector<Person>& peopl...

[10 replies] Last: Person* match = find_person_by_firstname(myvector, "John"); if(!match... (by S G H)

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Beginners - April 2015 (Page 42)