
please wait
by dob00000
Is there anyways to make this less complex?
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I have to delete a node in Binary Search Tree. But somehow my testcase take too much space to run. Can I make it less complex? #include <iostream> struct... |
Jun 10, 2022 at 12:26pm
[3 replies] Last: Deleting a node in a binary search tree is not trivial. There are seve... (by seeplus)
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by JamieAl
Error: MATLAB vs C++ output
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I am converting a MATLAB code to a C++ and running into small differences b/w my two codes. For some reason in the C++ code, each term in dVGL is correct whe... |
Jun 10, 2022 at 5:21am
[7 replies] Last: @jonnin Okay, I was able to fix the main "out of band issue" and get ... (by JamieAl)
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by copypasta
Character/ASCII - Question
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I am fairly new to C++ and still learning. I understand the first code is casting a char into an interger. But I don’t understand the second one? Is it me... |
Jun 10, 2022 at 4:20am
[5 replies] Last: [quote=copypasta]I am fairly new to C++ and still learning. There is ... (by deleted account xyzzy)
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by mermaidly
Switch statement??
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Hi guys, I'm putting a switch statement in a loop, for example with 3 cases as below. How do I make sure that in order to proceed with the 3rd case, 1st and 2nd... |
Jun 9, 2022 at 10:29pm
[2 replies] Last: Don't use a switch statement. You expect to input one number, then ano... (by dhayden)
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by impetus
how to prevent array of ints from edits
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Have array of ints, dynamically filled... Need to use the data from array, but prevent it from writing. Can't use const. Kindly advise |
Jun 9, 2022 at 10:21pm
[9 replies] Last: Im 100% sure nothing amends the original contents, it's magic number ... (by dhayden)
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by PhysicsIsFun
Scientific Computing - Debugging Tools (1,2)
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Greetings! As a PhD student, I usually write programs from the domains of physical simulations, numerical algorithms or data science methods. Examples of code ... |
Jun 9, 2022 at 3:46pm
[20 replies] Last: I usually write programs from the domains of physical simulations, n... (by seeplus)
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by lioneldest12
Student's Basic Information and Grades
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Create a program that would let the user manage students' basic information and grades on a number of subjects dynamically. The program should accept the fo... |
Jun 9, 2022 at 8:42am
[1 reply] : L9 & 10 - you need to specify the size of the arrays. In C++ the size ... (by seeplus)
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by jNc
Compile two cpp files with QT Creator
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Hi, folks! Need to compile: #ifndef TEST_H #define TEST_H int a = 0; void simplePrint (); #endif // TEST_H #include <iostream> #include <iom... |
Jun 9, 2022 at 1:39am
[13 replies] Last: I need to use data set with Base class with derived classes.. Great,... (by mbozzi)
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by CodeChaser
Pong game (SFML) (1,2)
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I picked up this book on SFML, "Beginning C++ Game Programming" & I am learning a lot. I am able to rewrite the code like a good little parrot, but this one sam... |
Jun 8, 2022 at 8:18pm
[34 replies] Last: Thanks George, I will have to hit the Win32 API eventually as well and... (by CodeChaser)
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by UnkownUser
Ant simulator
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How do I solve my problem where my if statement doesn't follow parameters #include<iostream> #include<string> #include<vector> using namespace std; int... |
Jun 8, 2022 at 5:38pm
[5 replies] Last: [quote=salem c]Don't try and run code until you've fixed all the issue... (by deleted account xyzzy)
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by Mae4ashy
Edmonds-Karp for Max Flow having timeout
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Hello there :) So here's the thing: I've written a code for the Edmonds-Karp Algorithm for Max Flow in a Graph. And it is working for very small graphs, but I ... |
Jun 8, 2022 at 9:35am
[4 replies] Last: Oh wow, thanks. I think now I understand the stuff that went wrong wit... (by Mae4ashy)
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by JamieAl
C++ vs MATLAB syntax: Incorrect results
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This is a pretty simple question, I am not sure what I am missing. MATLAB code: Nx = 10; Ny = 10; Lx = 2*pi; ygl = -cos(pi*(0:Ny)/Ny)'; VGL = c... |
Jun 8, 2022 at 3:59am
[2 replies] Last: @lastchance wow, you're right I have no idea how I couldn't see it. Th... (by JamieAl)
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by ksh02
Replacing a local object causes warnings (deprecated-copy)
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Hi C++ forum, I have an issue regarding this snippet StringSeq result = StringSeq(seq); for (Variant* var : vars) { result = var->applyTo(result, offse... |
Jun 7, 2022 at 4:37pm
[4 replies] Last: StringSeq& StringSeq::operator=(StringSeq const& other) { data = o... (by seeplus)
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by death1239
2D Array
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Hello, i want to add a function that determines whether in the component of the matrix A exists a magic square of dimension k >= 2, that is, the sums of the ele... |
Jun 7, 2022 at 2:32am
[1 reply] : Here's how geeksforgeeks would do it: https://www.geeksforgeeks.org/ch... (by newbieg)
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by rozick1
Is this an appropriate use of std::optional?
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Hi I have a container class along the following lines: template <class T> class Container { public: void addElement(int id, T t) { ... |
Jun 7, 2022 at 1:40am
[1 reply] : I think option one is the best choice. The interface is appealing: v... (by mbozzi)
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by PhysicsIsFun
read 2D array from file
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Greetings! What's the current best way to read in a 2D double array from a file? The structure should be like this, I assume. void read_dataset(string dataf... |
Jun 6, 2022 at 11:55am
[6 replies] Last: Cheers, then I got it! (by PhysicsIsFun)
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by grahams
I want to make a book system
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I'm making a book system, although I'm stuck. My goal is to let a user input another book if he/she wants to. also I want to let the user return to main menu ... |
Jun 6, 2022 at 8:30am
[3 replies] Last: OK, let's not get into dynamic memory just yet (it will be desirable l... (by newbieg)
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how do i convert a unicode number into a char |
I want to convert a Unicode number into a char, like how you can with an ASCII number, for example, I want to turn Unicode 931 -> Σ; is there a function in th... |
Jun 5, 2022 at 2:44pm
[2 replies] Last: Each character that exists in the Unicode standard is unambiguously id... (by kigar64551)
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by anonomyss
Spaces / Columns
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Hey so I have a question regarding something about spaces. ok so lets say the program uses input from the user, it then auto creates like a card. Now everythin... |
Jun 5, 2022 at 8:21am
[14 replies] Last: C++20 String Formatting Library: An Overview and Use with Custom Types... (by againtry)
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by grahams
expected a ; even though it's a function
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I'm building a library system for my project, then as I was writing my code, I got an error about "Expected a ';' C/C++(65) [Ln 53, Col 13] I double checke... |
Jun 5, 2022 at 7:50am
[3 replies] Last: Oh, wait, I figured it out, Thanks Peter87 The problem was I assigned... (by grahams)
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