C++

Forum

Beginners - October 2018 (Page 9)

So I really need help in cpp. I've been taking this course for a few weeks but I am still very confused and havent quite got the hang of it. I need a step by st...

[5 replies] Last: One thing: <string.h> is not used for the std::string datatype. st... (by Ganado)

by jlouie6

How to sort an AA Tree?

For my AATree Insert function and Treesort when I print it inorder it doesn't print it sorted, n {cout << arr << " "; } }

[1 reply] : Is buildBST supposed to be insert ? If not, where is the code? Al... (by kbw)

by meatshake310

solved

Hello everyone. I have a homework assignment that asks to input a string of up to 132 characters in length. I am asked to pass the input into an array and then ...

[5 replies] Last: With your CountLetters function, can you see how it would be better ... (by TheIdeasMan)

by Mr Mr

procedural C++ GUI apps ??

The book I'm reading right now emphasizes the procedural side of C++ in the first 9 chapters — the rest of the book after that (chap. 10+) emphasizes the OOP ...

[2 replies] Last: Qt and many of the other GUI frameworks are OOP, that paradigm seems t... (by TheIdeasMan)

by vittorioc98

Call to implicitly-deleted copy constructor...

I think that i'm missing something. Compiler returns me this error: Call to implicitly deleted copy constructor of 'std::__1::unique_ptr<Account, std::__1::def...

[12 replies] Last: @ vittorioc98 My apologies, I was discombobulated (wrong / confused... (by TheIdeasMan)

by Tipper1997

Need help with incorrect outputs

Hello, I have the program that I am trying to write in the comments directly below. My issue is when the program runs, I am getting answers completely incorre...

[1 reply] : Why not just have your meal in its actual value instead of doing this ... (by Ganado)

by ashwyn

Need help w/type conversion. (string to int)

I have this assignment for school and part of it involves this function below. The function is supposed to convert a string to an int. (We can't use built in...

[7 replies] Last: @lastchance You've been extremely helpful. Thank you very much for yo... (by ashwyn)

by closed account EAp4z8AR

Segmentation fault in the very last for loop

I have a file that I am supposed to retrieve names from and make a list of it. There is something wrong with the candidates vector because when I try to call it...

[5 replies] Last: 16 candidates ... but on line 60 you try to print the 0, 1, 2 ... 16 ... (by lastchance)

by Satan

Factorial resolving more efficiiently (1,2)

Okay so we know that Arithmetic operations such as addition and subtraction are a set of rules built by humans to interpret how a given set of operands are hand...

[22 replies] Last: There is a formula that directly computes approximate factorials to v... (by mbozzi)

by zain ahmad

visual studio error contsant

How to solve this error # include <iostream> using namespace std; int main() { int n=20; int arr ; //error n must be constant return ...

[2 replies] Last: Hello zain ahmad. As TheIdeasMan said a vector would be a better choi... (by Handy Andy)

by Hassan Ashas

Using if statement to check whether string has value or not (homework)

Here is the actual question, "Write a program for a bottle vending machine in which you have to insert amount in the machine (take amount as an input from the ...

[4 replies] Last: Hello Hassan Ashas, After working with the program I came up with thi... (by Handy Andy)

by Hassan Ashas

Program not giving proper mathematical answer.

Here is the actual Question https://imgur.com/a/G6MrskV This is what I did. #include <iostream> #include <iomanip> using namespace std; int mai...

[7 replies] Last: what he said and what you're saying is literally the same thing but i... (by jlb)

by mekelek225

comparing boolean in if statement

why wont this work? #include <iostream> using namespace std; int main(){ bool poop = false; if (poop=false){ cout << "fal...

[5 replies] Last: Consider : if (!poop) {} is the same as if (poop == false) {} ... (by TheIdeasMan)

by Awsom3Alan3

Need help with Arrays and the Highest element of an Array.

Suppose you have a text file that looks like this, Alan Blandon 1, 2, 3, 4, 5 Marvin Alvarez 2, 3, 4, 5, 6 There is a 1D Array for names and a 2D Array for sc...

[3 replies] Last: The row with the highest score is the index of the names. For example:... (by Thomas1965)

by Blake7

My objects are sharing a variable?

I'm creating a little game where I have a player and the computer fighting each other. Although, for some reason, it seems like they're sharing the same hp. I'v...

[3 replies] Last: Well, think about it. Once you made my suggested change you started se... (by helios)

by zain ahmad

Borrow in C++

I am subtracting first number form second by using borrow it is giving right answer from 20th to 15th and wrong values from 15th to 0th plzzz help me # incl...

[1 reply] : #include <iostream> #include <string> #include <cctype> // true if e... (by JLBorges)

by jjordan33

Keeping each input in a while loop instead of just the last one

The code you'll see is a palindrome checker. Every function works, and it will successfully compare a string to determine if it is one or not, and it outputs th...

[3 replies] Last: @Andy he said "Every function works perfectly". So maybe the headerfil... (by Satan)

by Hassan Ashas

Logic of this question (Homework)

Can someone tell me the basic logic of this program? I don't want the code, just this that what exactly is it I am supposed to do here? I can't seem to understa...

[7 replies] Last: Long double only starts to lose precision after 18 digits and that's a... (by Satan)

by Awsom3Alan3

Need help with 2D Arrays!

Suppose you have a 2D Array that looks something like this, 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 How would you find the total of each row and display what the highes...

[3 replies] Last: An alternative without the need for a 1D array: #include <iostream> ... (by closed account E0p9LyTq)

by Satan

Review my permutations and combinations program

Hey guys do you see any possible improvements in this code? Any other suggestions are welcomed as well, I hope I'm not trailing any bad habits. For example I ha...

[13 replies] Last: Thanks a lot @TheIdeasMan that was helpful ;) Oh and thank you too @... (by Satan)

October 2018 Pages: 1... 7 8910 11... 28

Archived months: [sep2018] [nov2018]

This is an archived page. To post a new message, go to the current page.