Beginners - June 2021 (Page 3)

How to traverse through two 2d arrays to create a list
Write a program that registers all the students in both streams in different arrays i.e., 5A and 5B....
[3 replies] Last: Simply without functions/structs etc, consider: #include <iostream>... (by seeplus)
having trouble with program and setw()
UPDATE on program calculating area of rectangle, and converting feet to inches. Result of program...
[9 replies] Last: #include <iostream> #include <iomanip> // setw(11); using name... (by againtry)
Any idea why this isn't iterating into the variables?
Keep coming up with 0 for output of all variables, not sure what I'm missing. #include <iostr...
[2 replies] Last: Thank you, that fixed it (by itsrj1991)
by Kyang
Receiving out of range error
I'm receiving this error terminate called after throwing an instance of 'std::out_of_range' what...
[1 reply] : The error is telling you that i is out of range. Why are you using n... (by AbstractionAnon)
by Kyang
How to separate input into multiple vectors.
I'm working on an assignment for an online course. It requires me to take an input formatted like To...
[2 replies] Last: That worked, thank you so much Ganado. I'm pretty new to this so I did... (by Kyang)
strange value of int in C++
Hello friends! I wrote a simple code and got output that I didn't understand the meaning of, somebod...
[2 replies] Last: Thank You! (by samikaner)
event handling for classes interfacing with hardware components
Hi all, I have a class that I have in mind to work as a high level interface to operate with butt...
[3 replies] Last: Typically you'd have some kind of event id and some associated informa... (by kbw)
by alexas
ideas for rotation of multiple cuboids
Hello, I am asking such maybe more mathematical question here in this forum as it somehow gives me...
[13 replies] Last: Well, you can try this code @alexas. It creates an STL image file ( st... (by lastchance)
Container not expensive
Hello everyone; I have a small question. I have an array like this :A=[7 8 5 9 10 5 11 12 5 10 11...
[7 replies] Last: the version without generating another vector B. Eh??? I don't unde... (by seeplus)
by y19177
unknown probelm
I recently replaced my hard drives and install win 10 pro. Now, I cannot even run the most simple C+...
[2 replies] Last: @jonnin Yes, this is a new installation. None of the methods mention... (by y19177)
by vboro
Reading data in from file?
Hi! I'd like to read in a simple row of integers from a .txt file and sort the numbers into an int ...
[4 replies] Last: It worked!! Thank you very, very much :D (by vboro)
by saam
How and which algorithms I can use to meet this requirements as I am a self leaner I need a help to ...
[6 replies] Last: @jonnin thank you very much (by saam)
What does a cpp main file should look like for embedded systems
Write your question here. Hi, I am puzzled as to what should be left in the main.cpp file in a we...
[4 replies] Last: If you're writing for a tiny device, like an Arduino with a 2k stack, ... (by kbw)
by min01
Hangman in C language
Can someone help me do this in C language? How do I put 7 chances for the player to guess? DIRECTI...
[9 replies] Last: Perhaps consider: Thank you so much for this, I didn't know I can j... (by min01)
passing vector class to function
I have used a vector class inside a function like below to get every object in that class. std...
[6 replies] Last: I didn't know about "rule of 0" (by George P)
how to merge 2 sorted arrays from 2 files into 1 file
Hi, can someone help me with the idea on how to merge 2 sorted array from 2 text files into 1 text f...
[3 replies] Last: Another way to sort the data of two files that look to be composed of ... (by George P)
functions not working :(
So I'm working with functions, and I'm building a conversion program. The conversions are fahrenheit...
[3 replies] Last: #include <iostream> #include <iomanip> void displayMenu(); double fa... (by George P)
Return 0 doesn't make any change in my program.
I was learning C++, and I saw that return 0 indicates main function ran successfully. And non-zero r...
[15 replies] Last: what does successfully run and not successfully run mean tho? You, ... (by Ganado)
Return NULL in C++
Hello, I'd like to if a book not find, the below method(findBookByAuthorName) return NULL. or do yo...
[5 replies] Last: To return a pointer you'd do: book * findBookByAuthorName(string nam... (by dhayden)
new to functions, decimal gets truncated off the final grade, and for why?
I'm supposed to write a program that uses different functions to take the scores of two tests and a ...
[4 replies] Last: Hello morganniie, In addition to what Furry Guy has said a few blan... (by Handy Andy)
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