Beginners - C++ Forum - July 2019 (Page 6)

by XboxOne2019

A logic explanation about averages

Hello, we are writing a homework code about finding the average of odd numbers in an array. Someone ...

Jul 15, 2019 at 2:53am

[6 replies] Last: @ jonnin Yes, agreed that new code is typically fine with doubles. @... (by Duthomhas)

by mcgrim8

strings to numbers

I am trying to input two numbers as c strings, it should be 4 digits long and should contain no let...

Jul 15, 2019 at 12:06am

[16 replies] Last: or the 2 cent answer, std is too big, so its better to do smaller usi... (by jonnin)

by dutch

efficient coding

You should get 90 points just for reading that pointless pile of garbage. codechef sucks and teache...

Jul 14, 2019 at 7:50pm

[14 replies] Last: you are messing up the update part. index= 0 1 2 3 4 value= 3 9 10 11... (by ne555)

by CodeNovice01

Why are these codes doing this?

Here are two different codes with the same information just about. But each code is different. Each ...

Jul 14, 2019 at 7:08pm

[3 replies] Last: ... (by highwayman)

by highwayman

One-run functions?

I’m not entirely sure, but isn’t there a way to make a function so it only really runs once and ...

Jul 14, 2019 at 6:23pm

[9 replies] Last: Sorry that’s supposed to be VARS not CARS so sorry XD thanks for the... (by highwayman)

by rozick1

can vectors be used without invoking copy constructor?

Hi I have a vector V which contains objects of type O. Generally, I want to prevent O from being ...

Jul 14, 2019 at 5:05pm

[3 replies] Last: > Is that because std::ofstream has deleted copy constructor/assignmen... (by JLBorges)

by cool123dude

To divide the elements into K segments such that the sum of minimum element of each segment is maximum

Given an array of N elements divide the elements into K segments such that the sum of minimum elemen...

Jul 14, 2019 at 7:45am

[2 replies] Last: Note that the sample has a second solution: [1,2]+[5,3] The task is a... (by keskiverto)

by jigs123

vector rend call

I was expecting following program output 1.But for some reason I am getting output of "201360154". ...

Jul 14, 2019 at 5:43am

[3 replies] Last: About std::vector::rend.... Returns a reverse iterator pointing to t... (by deleted account xyzzy)

by CakeByTheOcean

Compile time string build function

I want to build a string/char in the compile time. constexpr char INPUT = "abc"; // input ch...

Jul 14, 2019 at 3:28am

[7 replies] Last: Here's a very sloppy but still much nicer version in the value domain:... (by mbozzi)

by counter strike

Help stuck in this problem

Help me in removing wrong answer in this program? This is the problem: There are N bottles. ith bo...

Jul 13, 2019 at 5:04pm

[1 reply] : Hello counter strike, PLEASE ALWAYS USE CODE TAGS (the <> formattin... (by Handy Andy)

by CodeNovice01

Operations Program, Need guidance

I have a program I need to code that: Handles 25 interger numbers. Declares Array A and B. Fill Arr...

Jul 13, 2019 at 4:47pm

[9 replies] Last: @CodeNovice01: Read http://www.cplusplus.com/doc/tutorial/functions/ a... (by keskiverto)

by CodeNovice01

With functions and arrays

If I have a program and I need 'Array A' to read in values from an infile, how would I make that int...

Jul 13, 2019 at 4:44am

[8 replies] Last: Jonin, I appreciate the advice, as of right now my professor wants us ... (by CodeNovice01)

by jsmithplus

Shortening this comparison code the right way

This code is inside a while loop and version 1 works, but I guess the code is too big and readabilit...

Jul 12, 2019 at 9:08pm

[4 replies] Last: is this really do { code } while (something and all the combo test... (by jonnin)

by dutch

dsj vjskd

I solved only subtask #2 What was your algorithm? EDIT: Original poster has disappeared. ...

Jul 12, 2019 at 8:55pm

[17 replies] Last: don't check every combination, check only the ones that occur between ... (by ne555)

by adam2016

Dynamic cast vs static cast

hi guys, again I'm watching one of Jamie kings videos ( https://www.youtube.com/watch?v=0AuPWXuBm...

Jul 12, 2019 at 8:17pm

[8 replies] Last: very true :) (by adam2016)

by kokonuts

Function issue

Hello everyone, I'm currently learning c++, so still don't understand everything so please forgiv...

Jul 12, 2019 at 6:27pm

[4 replies] Last: No, ::variable would only be need to explicitly reference a variable i... (by Ganado)

by neuronphysics

Restructuring a GSL matrix

I have a set of K*K square matrices and I would like to create a new (K+1)*(K+1) square matrices whe...

Jul 12, 2019 at 3:07pm

[3 replies] Last: I'm not familiar with gsl , but taking a guess, try moving gsl_matri... (by dutch)

by medosz

Factorial with while statement

This program reads a nonnegative integer then it should compute and print its factorial with while s...

Jul 12, 2019 at 1:11pm

[1 reply] : Your loop goes one-too-far, ultimately multiplying the result by 0. ... (by dutch)

by Zainyorkshireman

Help me to understand these sections of code

So, i am going through the book 'Beginning C++ Through Game Programming'. I have reached the Hangman...

Jul 12, 2019 at 11:17am

[5 replies] Last: This mean until you get no match. (by Zaap)

by Jochebed111

Vector crashing

Why is my vector program kept on crashing There's the question: 5. Use C++ Standard Template Libra...

Jul 12, 2019 at 9:02am

[13 replies] Last: > so actually we couldn't use assign() function to assign the value 5 ... (by JLBorges)

Beginners - July 2019 (Page 6)

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