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Beginners - August 2018 (Page 6)

Write your question here. Hi everyone, I am beginner to C++ , and my problem has problem. I try to calculate day of week of dates from first of January. My cod...

[1 reply] : Here is my code for the calendar I used functions i had found in Cla... (by nowy20180820)

by AlM

Object Oriented Programming in C++ - suggestions for exercises

Hi I am a beginner level c++ programmer and I am trying to learn object oriented programming. I'm quite good with procedural programming(loops, conditionals, sw...

[4 replies] Last: I understand the concepts in theory but I don't understand how to "g... (by closed account E0p9LyTq)

by arczi w

Self-referential structs

Hello, I have recently faced a problem of creating the self-referential structures. Whenever I try to use them, the program behaves weirdly. Take, for instan...

[2 replies] Last: Thank you! Much appreciated. (by arczi w)

by TRGraphix

Is this code too long for searching duplicates in an array

I wrote this code yesterday but I think i wasted time at writing that program because the code looks pretty long for just searching for duplicates in an array ...

[5 replies] Last: "searching for duplicates in an array" is not a very good problem stat... (by tpb)

by Georg31

Help

Hi Why i get a =55? I sorted arrays then i want to unite them in m array i get correct numbers but at last i checked a and it gives me first element 55 wich i...

[6 replies] Last: @Georg31 At C++ you don't need to fiddle with error prone arrays/point... (by nuderobmonkey)

by garyshorto

calculator code problem!

hi i have made a calculator code with if statement. but i dont know why it doesnt work correctly. it attentions on the first if task without including the co...

[2 replies] Last: #include <iostream> int main() // note: int main() { double firs... (by JLBorges)

by robettoplaste

Can anyone help me to do this Question

You are given three integers a, b and . Your task is to construct a binary string s of length n=a+b such that there are exactly a zeroes, exactly b ones and exa...

[2 replies] Last: As hoogo said, show your attempt at the problem then people would glad... (by Uk Marine)

by akshatmahajan3112

Confusion/Dilemma -Question About Data Structure Pointers

I am noob to data structres right now,sorry if this does not makes sense at all,idk it's just been bugging me. I have a question let us say we have the follo...

[2 replies] Last: Thank You. Cleared things up a little. (by akshatmahajan3112)

by nuderobmonkey

Need some explaination at the random facility

I'm struggling with the use of the random facility which the language since C++11 provides. Because I don't understand the semantics of the syntax, I'm shying a...

[3 replies] Last: https://en.cppreference.com/w/cpp/language/default_initialization http... (by keskiverto)

by Dum

C++17

What are the new features in c++17.

[1 reply] : Summary: https://en.wikipedia.org/wiki/C%2B%2B17 Some more detailed i... (by JLBorges)

by seungyeon

powerball program (1,2)

Write your question here. #include <iostream> #include <vector> #include <cstdlib> #include <ctime> #include <fstream> #include <string> using namespace std...

[21 replies] Last: If you win the jackpot, I'll pay you your earnings again. (by helios)

by zyan1zyan

Finding maximum value of addition/subtraction using parentheses

Given a series of numbers that are added and subtracted (for example, 4-3-5), how can I insert parentheses to find the maximum value? In my example, 4-3-5 could...

[14 replies] Last: @helios, I didn't consider RPN. The recursion in my code is just for p... (by tpb)

by seungyeon

Is there any errors in my code?

My program is taking a long time to finish. for(int i = 0; i < v.size();i++) { outfile << v << " "; } if(v.empty()) { } else {...

[3 replies] Last: tpb.. please you do not have to assume. Do you think I ignore all you... (by seungyeon)

by philip1999

how many numbers upto 1000 are there such that the sum of digits is divisible by 7 and the number itself is divisible by 3

How to write code for how many numbers upto 1000 are there such that the sum of digits is divisible by 7 and the number itself is divisible by 3

[7 replies] Last: Here is list of all the numbers based on the pseudo code of tpb. 399... (by Thomas1965)

by pLearner

Visual Studio 2017 - General Settings Question

Hey guys, I am new to programming and I have been coding on Visual Studio 2017 for abit now but I have some questions. 1) Whenever I debug/build it always sa...

[1 reply] : Is there a setting to stop saving on build? No. That's effectively... (by Repeater)

by soccer53

Mind Sweep

This is my current code. I have to follow the instructions below but keep getting errors. Can you please help? C++ that produces a two-dimensional board of...

[1 reply] : In the future please post the error messages. From the C++Shell: http:... (by Thomas1965)

by BelkinJr

bool functions inside a class

I'm in search for advice on my assignment problem So I have two classes class Student { //Student class declaration public: //default construc...

[6 replies] Last: yes, i do indeed read from files into array of objects of each class, ... (by BelkinJr)

by seungyeon

Printing every combination of the powerball

I want to store them on to a file. I don't want duplicates. My method Print all 292 million combinations and place it into the file. open the file and com...

[1 reply] : I already showed you how to do this in a previous post. Here it is aga... (by tpb)

by AL88

Why isn't the getlength function working?

How can I make the getLength function work please? #include<iostream> class Shape { public: Shape(){} virtual ~Shape(){} }; class Rectangle : p...

[1 reply] : Stop asking the same questions over and over, Alistair. Read the answe... (by Repeater)

by AL88

How can I make the object return the length specified

How can I make the int length be returned in the object from initialization in rectangle or square? #include<iostream> class Shape { public: Shape(...

[2 replies] Last: Lines 27 and 28 should not exist. Square ALREADY contains length and w... (by Repeater)

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