Beginners - June 2021 (Page 4)

no operator "=" matches these operands
 
i keep going in circles with this lol. i need to create an if else loop, but the if statement is com...
[9 replies] Last: that worked perfectly. thank you very much (by JackLadYT)
by sarvcr
Adding objects with a loop
 
Hi! I'm coding a program where I have to classes: Libro and ColeccionLibros. I want the class Libro ...
[1 reply] : This seems to work. #include <iostream> #include <sstream> using nam... (by salem c)
Any comments on my program?
 
I wrote a complete C++ program that will ask the user to enter a number between 1 and 3. The program...
[4 replies] Last: Okay, I appreciate the comments, I made changes to my program and It's... (by BlueCOCO1)
by chipp
std::size() and sizeof()
 
i wanna ask, why std::size() and sizeof() results for array is different while std::size() is said a...
[7 replies] Last: ok, thanks for the answers, guys... i'll call it done, then... (by chipp)
Confused on how to declare formulas
 
Given two integers, say a and b, the maximum and minimum can be determined with the following formul...
[3 replies] Last: #include <iostream> #include <cmath> using namespace std; int main()... (by lastchance)
Drawing Multiple Items in OpenGL
 
I am trying to draw multiple items in a Scene in OpenGL. I've set the model matrix, but I'm confused...
[no replies]
by hbcpp
no type named ‘iterator_category’ in ‘struct std::iterator_traits<std::__cxx11::basic_string<char> >’
 
Environment: Linux Mint 20.1, Code::Blocks, gcc 10.3.0 I am trying to copy files with some copy_opt...
[2 replies] Last: Should it be fs::copy ? Oh that solved the problem. Thank you.... (by hbcpp)
pointer to pointer , confusion
 
below code -> ent is a class , modulebase is of type uintptr_t. i understand whats happening here ...
[1 reply] : In both cases, you're: - generating a temporary pointer of type uint... (by MikeyBoy)
by saam
Implementation
 
Write a pseudocode function called RecursiveFind, which is a recursive implementation of the functio...
[6 replies] Last: @seeplus thanks for the help (by saam)
Best practice for a class member that is the product of 2 other class members
 
Hi, let's say I have a class that uses a rectangle's area, but the user cannot set the area as a set...
[4 replies] Last: > As rectangle is using exceptions, wouldn't main() have a try/catch c... (by JLBorges)
Ray and Plane Intersection
 
I have an assingment due for my College program I'm in, and I'm stuck on getting the answers. This i...
[18 replies] Last: Look at the routine Plane::intersectionPlane It already writes informa... (by lastchance)
by CVRIV
Question about header files and adding additional cpp source files. (1,2)
 
So im writing a program and it's getting annoyingly large in size where im having to scroll through ...
[32 replies] Last: > add the directory containing headers to the compiler's include path ... (by JLBorges)
Trying to make it where it's invalid if a user enters a nonnumeric input and starts from the beginning
 
I tried to input it and I almost got it but I feel like there is on small change. At the end each ti...
[3 replies] Last: Hello digitalFun157, I take a different approach with your program an... (by Handy Andy)
Calculate electric bill
 
Write down a program to calculate the fees charged on the house entered. The charge for 1 unit of el...
[5 replies] Last: ok thank you guys, your coding really help me with an idea. I have com... (by Nik Hazreen)
by Ch1156
Nesting classes?
 
I want to be able to nest a class within a class or a struct within a struct. The reason for doing s...
[11 replies] Last: And thanks for the good examples as well. I have always just put tho... (by jonnin)
by peza
How to show output of linked list after getting user input
 
Good day, I'm quite new to linked lists, and I would like to ask for help with completing my code, I...
[1 reply] : You aren't linking the nodes together. It's this linking of nodes that... (by seeplus)
Having a problem with functions, function not working
 
Hi,i'm supposed to write an input function which ask the user to input a char. This is my first time...
[4 replies] Last: [Continued here http://www.cplusplus.com/forum/beginner/278694/ ] (by seeplus)
Writing function and combining them in the main loop of options
 
Hi, so i'm supposed to write functions: input, distance and display function and then combine them i...
[6 replies] Last: As a first revision, perhaps consider: #include <iostream> #include... (by seeplus)
Is program correct?
 
I created a program and want to make sure it's correct. The original prompt is :Write a program call...
[1 reply] : Is program correct? Functionally the program is correct, though I'd ... (by George P)
Problem with cout with multiple namespaces.
 
I am trying to practice using namespaces that each have a class of the same name. I tried to create ...
[7 replies] Last: Thank you both. (by BroBuilder)
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