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April 2021

Beginners - April 2021

I have been suffering for three days trying to figure this out and start my code. Class Methods Description: An instance of the object TTree T is initially...

[1 reply] : Do the same as you would for a binary tree, but do the extra test for ... (by lastchance)

by teacoder

formula is not working

Just started coding and it seems like I must have typed the formula wrongly or something because the code keeps giving me answers that are very random numbers (...

[5 replies] Last: I've learnt that the order is very important and that I've to make sur... (by teacoder)

by teacoder

formula is not working 2

So I seem to have the same problem again with the formula and I have done what the other guy said just now on this forum and made sure that the formulas came af...

[3 replies] Last: So basically my problem was that I used a general formula for the code... (by teacoder)

by DonnaPin

array and vector - whitespace

Hello, I am doing problems on hackerrank, and had a question that involved putting values into an array or a vector. I have managed to get this to work but wond...

[5 replies] Last: To reverse access a vector's elements using iterators: [code firstline... (by deleted account xyzzy)

by DracoL1ch

Press "esc" to stop asking for values

Hi i'm new here. I want to make a c++ program that will ask values that can be stored in an array and when the user press "esc" the program will stop asking ...

[7 replies] Last: For some reason I was thinking escape emitted 2 characters instead of ... (by jonnin)

by coder0101

Sorting a vector alphabetically

In the function add contacts, I want to add a persons name, phone, and email in my vector my contacts. I want to add their name to keep the contacts alphabetica...

[5 replies] Last: @dhayden, Out of this: string first = mycontacts .name; // save the... (by Handy Andy)

by Daftguy86

error E0029 Expected an expression

I keep getting an error message that's saying expected an expression, or error code E0029. I'm new at all this programming stuff, so any advice would be helpful...

[8 replies] Last: Look at your function call: displaychart(visitors , Visitors) Wha... (by MikeyBoy)

by Aztreonam78

I have a problem initializing an Array

I've declared an array in a class and Visual Studio displays an error saying "Too many initializer values". SIZE is a constant value that equals to 10, and th...

[4 replies] Last: [quote=jonnin]as noted your bug is not having a type on it. That dep... (by keskiverto)

by dasdas

problem with rock paper scissors game

I am supposed to make a rock paper scissors game, but using function prototypes such as: 1.int random(); 2. string input(); 3. string compChoice(int); 4. ...

[2 replies] Last: See this post http://www.cplusplus.com/forum/beginner/277786/ (by seeplus)

by Mustermann

For loop does not modify values of vector

Hi! Hope you are having a great day. Is life not beautiful? Anyway... I came across this for loop that uses this value: private: vector<Flug*> Fluege; //...

[4 replies] Last: Alright guys! It was my mistake here... The vector of "Fluege" (or "Fl... (by Mustermann)

by SweatyCoder

Unknown Error

So im trying to write a program that reads the contents of two files into two separate vectors (GirlNames.txt and BoyNames.txt). Basically, I want the user to e...

[5 replies] Last: Thank you, all for the help I will be trying every solution. I also ha... (by SweatyCoder)

by sarvcr

Help Autofilling a variable in C++

Hi! I'm learining c++, and for a project I need to work with binary numbers. I already have a function that translates from Decimal to binary, but I need to au...

[4 replies] Last: Setfill tool doesn't work as I need the integer to be 8 digits long t... (by helios)

by sam1x1

random function; first ouput way too high

i'm looping a random function to get random numbers from a die. the first number is always way too high. can someone please indicate where i'm going wrong. 64...

[3 replies] Last: Using modern C++ (C++11 or later) to generate random numbers: #includ... (by deleted account xyzzy)

by gfriend owemji

Display the product of positive integers using functions.

Hi! I challenged myself to do another task but I was stuck again... I was tasked to find the product of positive integers using functions. The code will stop re...

[2 replies] Last: Wow! Thank you so much! It works perfectly! <3<3 (by gfriend owemji)

by Cartoonkarl

Final output is one lower than it should be.

Heya this is the issue that I am solving: Bianca is preparing special dishes for her daughter’s birthday. It takes her a minutes to prepare the first dish, ...

[5 replies] Last: but I don't really understand how it works just yet. Sum of an ari... (by lastchance)

by panconcafe

Generate Multiple solutions for sudoku game

Hello! I need to program a recursive method to find all the possible solutions of a Sudoku puzzle of 16x16. the characters go from 0 to 9 and from a to f. So fa...

[12 replies] Last: Hello! Thank you so much! The error I got was because I did not insert... (by panconcafe)

by calvinfornia

Problem of reading in a txt file

I'm working on a project and need to read in txt file having format as below: .row 12 .col 12 .blk 3 2 3 3 8 5 3 10 8 0 10 10 11 .net 2 Net1 3 9 11 11 Net2 6...

[2 replies] Last: I don't know how you need the required read data, but as a starter per... (by seeplus)

by Sayo

How to Display Vector of Pointers to Abstract Objects

Hi guys, I'm creating an animal board game where various animals are placed on the board. I have an Animal class that is abstract. I then have a Rabbit and a ...

[4 replies] Last: but whenever I attempt to display them all the values come up as 0 Ho... (by coder777)

by MiquelH

Faster way?

Hello there For my course physical programming I need to simulate building-up of a neighbourhood. I need to simulate 100.000 houses in one minute. My code is...

[4 replies] Last: Thanks for the replies! your tips made the code a little faster. I hav... (by MiquelH)

by stoneJax

Not in FIle (1,2,3)

I am following along with a tutorial that is creating a bitmap file and writing fractal images to it. I am stuck on the part where I need to write to the file. ...

[44 replies] Last: @max Best is to try it! Probably works OK Keep in mind the filename is... (by againtry)

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