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Beginners - January 2019 (Page 5)

This is what it's asking: Write a program that calculates and prints the total grade for n assignments as a percentage. Prompt the user to enter the value ...

[19 replies] Last: @dutch I didn't mean to double post, this is my first time using this... (by RecklessCoder)

by Aurme

first line of input is invisible for while(cin >>)

Hello, I've just started working out of Programming, Principles and Practice Using C++, and I came upon a part in which I don't understand the behavior. The bo...

[1 reply] : Works fine for me. That's your terminal emulator doing that, not your ... (by helios)

by Daean

Char/ Int problems.

Hello. I'm an c++ beginner, and I want to make a little program, but i am suck here... i don't know how can I do with char, to input more that 1 character. Wha...

[11 replies] Last: String the datatype :0? I don't get it. What happens if you don't incl... (by Grime)

by Grunalin

Read File and extracting info from

Hi Can anyone point me in right direction for ways to read a file and then extract the information from it. For example someFile.txt Title SomeTitle Som...

[7 replies] Last: The more complicated you make your syntax, the harder it's going to be... (by AbstractionAnon)

by CakeByTheOcean

call to non-constexpr function in constexpr

I know it is a error, to call to non-constexpr function in constexpr. But it is still possible to do that? We are not allowed to use plenty of functions in cons...

[5 replies] Last: what checking are you trying to do? I mean, you can have any number of... (by jonnin)

by Siam928007

I need help in average of numbers

How can I do the average of numbers through array? #include<iostream> using namespace std; int main() { float a; float b; float sum=0; cout<<"E...

[10 replies] Last: #include <iostream> #include <valarray> using namespace std; int mai... (by lastchance)

by kakaducsy

delete object outside function

test() function doesn't return any (no return pointer, it is void function ) How to delete objA outside test() function use reference? #include <iostream...

[14 replies] Last: Thanks @lastchance,@Grime Thanks for your support. Have a nice day (by kakaducsy)

by Daveeed

Code generator

Hey! Does anyone have and idea how to make a program which shows me all the 6 digit combinations of 1 and 0 ? Thank you!

[2 replies] Last: #include <iostream> #include <bitset> int main() { for ( int i = 0; i... (by lastchance)

by garza07

123

[2 replies] Last: So another idiot trashes the thread after getting their free food. Tha... (by salem c)

by CatcherOne

Need help with int[int] array subscript error

Creating a program to have the user make their own exam. In the part where i am suppose to ask the user how many questions they would like their exam to be, i a...

[3 replies] Last: Hi, I think you still have a problem with variable length arrays (it ... (by TheIdeasMan)

by Robin53

Shuffle function

Can someone explain how this shuffling works. So I know it shuffles 100 times. But how does it work? Does it pick 2 random numbers from the Pack and swap them? ...

[4 replies] Last: Really should just use the Fisher-Yates algorithm. The one above ha... (by mbozzi)

by s l i m

float

hi everyone. can someone tell me what does mean float..? There is an example: #include <iostream> #include <string> #include <sstream> using namespace st...

[4 replies] Last: float is a primitive type in C++. https://www.geeksforgeeks.org/c-da... (by Ganado)

by icefang7

Write a palindrome

I need to write a program that: -makes the user input something then it checks if the user has a palindrome or not -treats capital and lower case letters the ...

[2 replies] Last: After minor changes to make it compile, your code works with "friendly... (by dhayden)

by closed account 1vf9z8AR

SIGSEGV

I am unable to figure out why I am getting an error. removed some parts and ran code but can't point out what is causing the issue. #include<iostream> ...

[18 replies] Last: All of the compilers you mentioned, I assume, use some GCC extension f... (by Ganado)

by stealthy12341

Noob C++ user, output problem

I am trying to make a gpa calculator for a class and I am having trouble figuring out how to convert the character values for the user to input into floats. ...

[2 replies] Last: this is an abbreviated version of the code It is indeed. However, i... (by lastchance)

by Bopaki

I am getting a garbage output when I add two objects

I am adding two objects: Box3 = Box1 + Box2; The output is this: Volume of Box1 : 210 Volume of Box2 : 1560 Volume of Box3 : 5400 The sum of Box1 & Bo...

[1 reply] : Line 39 attempts to output the variables defined on the preceding line... (by lastchance)

by gtrruff

How do you output an array of structs

My question is as the title states, I am having trouble trying to output an array of structs to a file. The program is suppose to create a ppm image with a smal...

[2 replies] Last: I figured out a fix bool writeImage(ColorValues imageArray , int h... (by gtrruff)

by apocrypha

I'm new and have little knowledge of what I'm doing

My problem is I need to read from a txt and using 3 files that are 2 cpps and 1 header file to read that data in the txt into class variables that are private a...

[2 replies] Last: Your response solved so many hours of struggling, thank you! (by apocrypha)

by closed account 367kGNh0

Detecting a letter within and on the back and front of something

I am aware of the syntax XYZ.front() //and XYZ.back() // I am unaware of how to detect a character in the midst of a word, like the 'a' in 'rain'...

[3 replies] Last: sorry for the late reply, but great! I can work far with this! (by closed account 367kGNh0)

by jb03

I Need Help with the Display Function!

I am trying to read files then display them on the Display function. Can anyone please tell me what is wrong with this code? I am super confused right now. I ha...

[5 replies] Last: Lines 30-31: It's not entirely clear where times and times come fro... (by AbstractionAnon)

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