Beginners (Page 3)

Undefined reference?
Hi, i am new to C++ and while practicing i am getting an undefined reference error from the compiler...
[4 replies] Last: Part of the problem is that you have global: const int NUMBER_OF_ROWS... (by keskiverto)
by Pen72
Graph problem
I'd like to know what condition have I not considered in the code, this should be a DAG problem righ...
[6 replies] Last: Hello, yes I think it should be m, must be typo mistake. Thank you for... (by Pen72)
Adding a blocker in a board to restrict cell access.
I have game of Abalone that I have created I am looking for ideas to insert a blocker on the board. ...
[5 replies] Last: Thank you, @jonnin, for the feedback on this and to @George P for the ... (by SITHESH)
by Pen72
Find words
I don't know where my code went wrong, I got two correct answers and 8 wrong answers, thanks in adva...
[4 replies] Last: #include <iostream> #include <string> #include <map> #include <set> ... (by seeplus)
by Pen72
inorder traversal
Hi I'm trying to implement inorder traversal in BST. The issue I got here is, if the data is alread...
[3 replies] Last: Your question asks about Inorder traversal but your post alludes to tr... (by ElusiveTau)
map with iterator as key?
Hi I'd like to have a map where the key type is an iterator. This will not work out of the box beca...
[4 replies] Last: > Does anyone know a way of defining a less than operator to an iterat... (by JLBorges)
by Geckoo
Format integer as a string
Hello. Is there a way to format an integer according its memory size using to_string ? I explain m...
[7 replies] Last: Now the message is simply concatenated this way : snprintf(message, ... (by Geckoo)
No idea whats wrong
Hi, I have two weird questions, not sure if its something wrong with my code... 1) Why is my outp...
[7 replies] Last: However, for a computing system, if you divide an integer by an inte... (by Geckoo)
Failure of parameters transfer
Hello, I'm trying to build an ESP32-TMC2209 application. The setup of the TMC2209 includes invocati...
[6 replies] Last: Unfortunately it didn't help. (by yonagy82)
by Geckoo
Color spectrum
Hello everyone. I hope that all is fine for you. I am still playing with pixels. Now I am searching ...
[3 replies] Last: Done. Thank you ++ (by Geckoo)
by Ch1156
What is this code doing?
So i'm following this book called SFML Game Development By Example and I've run into some code I'm n...
[1 reply] : Hello. This code is a good exercise to understand "complex" logical co... (by Geckoo)
decrement size_t in loop (1,2)
Hi everyone, I was recommended to turn on compiler warnings for debugging purposes. The compiler fr...
[25 replies] Last: > That approach works fine with VS release... >> Compile without it a... (by JLBorges)
Process exited with value 3221225477
Hello friends, I am currently working on a homework. But the code i wrote is not works as expected ...
[6 replies] Last: Thank you all. That helps a lot. (by hakanxdurak)
Is there anyways to make this less complex?
I have to delete a node in Binary Search Tree. But somehow my testcase take too much space to run. C...
[3 replies] Last: Deleting a node in a binary search tree is not trivial. There are seve... (by seeplus)
Error: MATLAB vs C++ output
I am converting a MATLAB code to a C++ and running into small differences b/w my two codes. For s...
[7 replies] Last: @jonnin Okay, I was able to fix the main "out of band issue" and get ... (by JamieAl)
Character/ASCII - Question
I am fairly new to C++ and still learning. I understand the first code is casting a char into an...
[5 replies] Last: [quote=copypasta]I am fairly new to C++ and still learning. There is ... (by George P)
Switch statement??
Hi guys, I'm putting a switch statement in a loop, for example with 3 cases as below. How do I make ...
[2 replies] Last: Don't use a switch statement. You expect to input one number, then ano... (by dhayden)
how to prevent array of ints from edits
Have array of ints, dynamically filled... Need to use the data from array, but prevent it from writ...
[9 replies] Last: Im 100% sure nothing amends the original contents, it's magic number ... (by dhayden)
Scientific Computing - Debugging Tools (1,2)
Greetings! As a PhD student, I usually write programs from the domains of physical simulations, num...
[20 replies] Last: I usually write programs from the domains of physical simulations, n... (by seeplus)
Student's Basic Information and Grades
Create a program that would let the user manage students' basic information and grades on a number o...
[1 reply] : L9 & 10 - you need to specify the size of the arrays. In C++ the size ... (by seeplus)
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