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Beginners - May 2022 (Page 2)

Hi! I am a newbie at C++ and would love to have some help in solving this problem.

Whenever I include spaces in the input, the whole thing loops endlessly, I can only write one word or a sentence with no spaces. { string input; co...

[7 replies] Last: Hi guys, update! I fixed it! With all your help, though it is a simpl... (by heston987)

by closed account GTXEhUp4

struct dirent *entity difference

struct dirent *entity struct dirent* entity i runned the both codes and complair didn't give any error. if both of these code true why people prefer struct ...

[13 replies] Last: p is set to nullptr (by seeplus)

by Daniel Steel

Console freezes when complied.

Hi, I was told to write this code which will read text from a file, which is laid out sort of like this: Id: 4343 Name: Daniel Number: 88442939 Email: daniel@y...

[6 replies] Last: See also: http://www.cplusplus.com/reference/fstream/ofstream/open/ (by againtry)

by HelpMePleaseTy

Hello, I'd appreaciate a code review!

As the title says, i'd like to ask for a code review. The programs works as i imagined, but i'd like to improve it, if i can in any way. The program helps you p...

[7 replies] Last: I think the single most important thing you can do is comment your co... (by deleted account xyzzy)

by closed account GTXEhUp4

recursive_directory_iterator filesystem

Hello i have issue and i can't doing and i am gonna getting crazy about that. I always taking same problem with VS Code and Microsoft Visual Studio. I checke...

[9 replies] Last: seeplus, I suspect the OP has moved on to another topic, this time muc... (by deleted account xyzzy)

by Ch1156

SFML Help - Displaying text in a vertical order with a vector

So im trying to use a vector to display SFML text on the screen, and it works but what i need to do is get the location of the text in the last array and displa...

[6 replies] Last: Apparently sf::Text already has multiline support built in. sf::Text... (by Peter87)

by EptatProgamer

CodeLite C++, can not open .exe file of the project when using iostream library

Hello I recently changed the IDE I use to CodeLite, and I seem to get a problem. I made my first testing Hello World program to test if everything is OK, and ...

[8 replies] Last: There is an alternate download site for the current Code::Blocks versi... (by deleted account xyzzy)

by plastic

for loops, is using i-- bad practice?

New to C++, I have a question about for loops that I need some help with. I understand the condition of using the for loop and how it increments/decreases but I...

[6 replies] Last: There are 3 ways to iterate through a regular array: #include <iostre... (by deleted account xyzzy)

by Helpless student

Reading data from text file, with commas, into a dynamic array of structs

I have no idea on how to read in this file, every method I try does not result in an output. the ret of the code works just fine the only part that doesn't work...

[10 replies] Last: #include<fstream> #include<iostream> #include<string> using namespac... (by againtry)

by Pen72

Maze (1,2)

Hi everyone, This problem is very tough for me, would be glad if there's any advice to solve it properly. There is a forest fire and you are in the forest....

[20 replies] Last: heres my take on it. Even though I just finished messing with it toni... (by markyrocks)

by Ynotnow

Has anyone seen this before?

Hello, I am studying the Bjarne Stroustrup Programming Principles and Practice Using C++ (Second Edition). I created this program to convert 3 currencies to the...

[11 replies] Last: I tend to avoid youtube since it is a classroom experience with someon... (by deleted account xyzzy)

by closed account GTXEhUp4

error: cannot convert 'LPCWSTR' {aka 'const wchar_t*'} to 'LPCSTR' {aka 'const char*'}

hello i am trying to do an file finder but i took this error i am new in c++ how could i fix this problem thanks #include<iostream> #include<Windows.h> ...

[11 replies] Last: @seeplus, I tried using "Unicode" (the default) and "Multi--byte" enco... (by deleted account xyzzy)

by ElusiveTau

STL stack: Does calling stack.pop() invalidate stack.top() object?

This is from a Leetcode binary tree traversal exercise. /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left;...

[6 replies] Last: Had to check for myself Awesome! You figured out a way to test a cla... (by keskiverto)

by ElusiveTau

Why isn't TreeNode destructor called?

Question in the title. I was expecting some cout output before main() exits but nothing gets printed. When Tree gets destroyed, the call free(tn) should h...

[3 replies] Last: and delete isnt really a function. its delete x; or if its a block ... (by jonnin)

by bydrachen

Pushing Back Class Objects to a Vector

Here, in the code. While I'm pushing back that obj2 to vector, is it creating another class object? Because my settings are not affecting this vector element. H...

[11 replies] Last: You normally don't pass a std::unique_ptr to a function unless it dea... (by deleted account xyzzy)

by agirideep

Call to Overloaded Function is Ambiguous?

Specifically on line 9. //John 3 #include "MathVector.h" #include <iostream> int main() { MathVector<double> mVec(20); MathVector<double> fVec...

[2 replies] Last: The code you posted seems to give: In function 'int main()': 132:27:... (by keskiverto)

by Knockadoon

How to select number format when writing to file

I'm modifying someone else's longer code for work, and I'm very new to C++. I have this section working, but I get only a single digit integer in the .txt file...

[8 replies] Last: I can print it to the terminal screen this way: printf("UO_Slope %e\... (by thmm)

by codinglexernewbie

what does this small line of code mean?

I don't think you can make a string stream == to something, so I'm wondering what function, this line of code was supposed to have? ss = (std::stringstream{...

[2 replies] Last: The "long" from of the very same code would be: std::stringstream tem... (by JLBorges)

by LeoManechest

Coin Flip Script

Hello I'm new to c++. I was wondering if someone here could do me a favor potentially. I'm somewhat familiar with Python and Scratch. I was wondering if so...

[14 replies] Last: If you throw a coin 10 million times the probability of getting exact... (by lastchance)

by jNc

get columns quantity for each row of array

Greetings! I have some data included in array with 100 rows and 100 columns. i need to roll through all of rows and columns, but i dont know actual columns...

[16 replies] Last: You could just have a regular 2D array with a maximal number of availa... (by Duthomhas)

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