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Beginners - December 2019 (Page 6)

so, I'm writing a sudoku program, reading numbers from a file to pupulate my array board . I had it working just fine, but then I was asked what would happen i...

[7 replies] Last: Hello momof4, After some testing I found this to work: for (int col ... (by Handy Andy)

by Rick CXX

How to get the external library (PDAL) running?

Hello, having problems setting up a console program using the external library pdal (www.pdal.io) What I did: New Project, Hello-World main, which runs....

[4 replies] Last: Ah, ja, I can do that, and I did, with the same result as in adding th... (by Rick CXX)

by yagirlneedshelp

creating a vector that contains a string and two int

Hi yall, So for a practice test, there is a problem that states: Assume that a vector of Coaster Objects has already been declared and filled with Coaster obje...

[3 replies] Last: If the file contains superman 90 20 Then you can simply do: ifst... (by Ganado)

by BaraaHazaa

Function of the Max and Min elements of an Array proble

Hello everyone, I'm pretty new to the whole c++ deal and I would like to know what is the problem with this code. The reading and writing function of the arra...

[3 replies] Last: I'm pretty sure the system("pause") isn't really causing the problem ... (by Repeater)

by Reem Alnuaimi

Modify decimal part only !

this program should read numbers continuously until -9999 is entered it should display int part,dec part, sign for each number entered; I used X= as my inpu...

[6 replies] Last: Even i lately read this but thanks to you all (by Reem Alnuaimi)

by highwayman

Why is there a >>> op

What is the difference between >> and >>> ? I’v heard they are the 'right shift' op and the 'shift right zero fill' op, but I don’t get it. Shouldn’t t...

[10 replies] Last: We should make it very clear that in C++ (and C) right-shifts should p... (by jonnin)

by b29hockey

ALT key

Hello! So I am trying to get this function to work by using the 'ALT' key instead of 'a'. I've tried several things and nothings worked, ay one know how to do t...

[1 reply] : IIRC, glut does not offer this functionality. You will need the GLFW s... (by Duthomhas)

by amigovio

Homework!!

hey guys! need some help writing a program involving storing array values using functions. I'm pretty lost about it and it's due in about an hour and a half...

[1 reply] : Homework is for you to write code so you learn from the experience. W... (by George P)

by fadelesskekse

Expression must be a modifiable value

I am creating a 2d vector "grid" in which a multiplication table is printed out. Does anyone under stand why I am getting "expression must be a modifiable valu...

[1 reply] : push_back takes the value to be pushed at the end of the container. Y... (by kbw)

by momof4

segmentation fault (core dumped)

I'm making a program to solve sudokus. I'm trying to make an multidimensional array to hold the row, column, and 0s and 1s to indicate if certain values are pos...

[2 replies] Last: boy do I feel like an idiot, thanks! (by momof4)

by logarech

copy data from one object to another object

For example I want to copy p1's name to p2's name and when I run "p2.write();" the result should be the same as "p1.write()"; How can I do and where can...

[7 replies] Last: thank you all (by logarech)

by noobcoder9867

Any Hint How I Solve This....

Write a C++ program to define a class Metro with the following specifications :  Metro No  Metro Name  No of Seats  Starting point  Destination W...

[9 replies] Last: I suggest reading the assignment: Write a menu driven program by usin... (by Enoizat)

by Brail

Best Flushing Toilet Review 2020 [Most Popular 15 Toilets list]

Are you the type of person that gets disgusted easily when you have to tidy up the inside of your toilet bowl because it does not flush strongly enough? Ther...

[4 replies] Last: Thanks Andy, it works now. (by Brail)

by mugastagi

question about send folder

Hello, I want to get multiple images from a folder on the server. And then Send to my friend with a certain fps. Can you show me how to do this? Thanks for your...

[2 replies] Last: frames per sec. hes trying to do video via images from the sound of i... (by jonnin)

by logarech

friend class problem

Hi, i can't type y.note in ***** section. How can I do this with friend class? #include <iostream> using namespace std; class classroom { private: int not...

[4 replies] Last: oh thanks (by logarech)

by HeavyDrugs

Dijkstras explanation needed

Hello, I've been trying to understand dijkstras algorithm, but I'm stuck. Could someone explain this part to me? Thanks. Here's the whole code. #include <ios...

[2 replies] Last: If you want to understand an algorithm it's usually easier to read som... (by Peter87)

by ravensky1115

Having issues reading in a string.

What am I missing? When I try to read in my string with a getline there's an error. If I just try "cin >> question;", it skips the rest of my program and doe...

[2 replies] Last: Mixing >> and getline often leads to problems. I usually recommend one... (by Peter87)

by porecelainpotato

Infix to Postfix Algorithm

Write your question here. I am trying to write an algorithm using stacks that converts an infix expression into a postfix expression(ex (6 + 13) * 2 – (5 + 1)...

[2 replies] Last: Replace ns += st.top(); with ns += ' '; ns += st.top(); ns ++ ' '; ... (by dhayden)

by Snickelfritz

Searching a Strucutre Array

Hello, I'm having trouble with returning a matching value from a function that is passed a structure array and a value to be matched. I have tried various combi...

[4 replies] Last: I've got her running great now, thank you sir! (by Snickelfritz)

by hmzi123

Quiz in c++

I have to make a quiz in c++ and my teacher said that i must do it by a text file. He told me to put the questions with the answers in the same file or a differ...

[1 reply] : design before you code! first, lets design that text file. something... (by jonnin)

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