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General C++ Programming - April 2018 (Page 13)

C++ ifstream/private variable/classes

Classes.cpp: #include "Classes.h" Car::Car() { } int Car::GetYear() { return year; } int Car::GetSpeed() { return speed; } string Car:...

[1 reply] : Hello Im new to this. Im having trouble trying to use set and get meth... (by Thetersures)

by sudokusolver

Vector going out of bounds without giving error when triying to display

When i run this program, i create a vector succesfully, but in the next loop the program stops working without giving an error. when i trie to cout one element ...

[2 replies] Last: To improve readability use code tags: [co de] Your code [/co de] Rea... (by coder777)

by nejuberuh

C++ STL-like doubly linked list with constant time splicing

Hey, I'm looking for a C++ implementation of a doubly linked list with constant time splicing. To be more specific: http://en.cppreference.com/w/cpp/conta...

[1 reply] : I'm not aware of such an implementation but it probably wouldn't be to... (by dhayden)

by Cambalinho

how use a split complex?

template<typename Out> void split(const std::string &s, Out result) { std::stringstream ss(s); std::string item; while ((std::getline(ss, item...

[7 replies] Last: thank you so much. fixed like i need. #include <iostream> #include <s... (by Cambalinho)

by Laura2358

How to retrieve the last node in a linked list?

Class EmployeeList javascript:tx( 'string employeeList::searchLastEmployee (nodeType<employeeInfo>* &last){ return last->data.getCode (); } string ...

[3 replies] Last: Actually, I believe that std::list maintains a pointer to the last i... (by dhayden)

by MattC98

recursive functions(c++)

I want to present you a very short and easy for most of you recursive function, I think that if you understand this function you fully understand recursive func...

[no replies]

by d1g1talarts

Binary Tree : leaves and post order

I am having trouble getting my # of leaves method working, with leaves being defined as a node whose left and right subtrees are empty trees. The class has thr...

[5 replies] Last: When you say post order is not working, what do you mean? What incorr... (by doug4)

by KB93

Solve Sudoku Puzzle Using Backtracking

Hello everyone, like the title says I'm trying to finish implementing a solve function to solve a Sudoku Puzzle. So far I think I've figured out how to check th...

[1 reply] : Use bits in an integer to gather the values currently in the row or co... (by dhayden)

by Cambalinho

about for_each and functions objects

the for_each and functions objects are only for STL?

[2 replies] Last: i see. thank you so much for all (by Cambalinho)

by jfet97

real_array: new class template

Hi to everyone, I've created a new class template to replace arrays (it's only an exercise, nothing serious). The main difference is in the indexing (it's weird...

[5 replies] Last: Ops I've I completely misunderstood your hint...thanks for this explan... (by jfet97)

by jolamiii

Arrays with structure

I'm studying for my finals that's at the end of the month. There is a question that goes: Construct a C++ program that interactively accepts the data below i...

[2 replies] Last: CarInfo details; // THIS LINE MAKES NO SENSE. WHY IS IT HERE? cout ... (by Repeater)

by karanGrower

Evaluating arithmetic expressions using recursive descent parser

#include <sstream> #include <iostream> using namespace std; using namespace std; //const char * expressionToParse = "6.5-2.5*10/5+2*5"; const char * ...

[7 replies] Last: [quote=dhayden]But that isn't the advice you gave: I wasn't refering t... (by coder777)

by shadowofwind7

how to clear stl::set constructed using placement new

I noticed when constructing std::set using placement new,like this std::set<int> *pSet = (std::set<int>*)new char[sizeof(std::set<int>)]; new(pSet) std::s...

[8 replies] Last: You attempt to "optimize" those small stubs with your placements. Is t... (by shadowofwind7)

by nether

non-os dependent sockets

Is there a way to create non-os dependent sockets in c++ and if so how would I go about doing it? Or is there something better to use than sockets? just curious...

[11 replies] Last: thanks for the input @Repeater and kbw ill take a look and ZeroMQ (by nether)

by faeory

c++ programm

i need urgent help programming this project ! i would be very thankful if you help me...! "Develop system scheduler program (in C++) to schedule system opera...

[1 reply] : o Input file (in.txt) has instructions, as shown in the below table o... (by zaphraud)

by ZhixiangZhang

vector of pointers to objects

Hi, guys, I am doing a simulation about solar system. The simplest scenario is that containing only sun and earth. I wrote a 'Body' class first to initialize a ...

[4 replies] Last: Thank you very much! I am still learning and thank you for your reply! (by ZhixiangZhang)

by datboi97

Class: Non-Standard Syntax

I am a newbie when it comes to classes in C++, and I have to create a program that uses a class involved with retail items at a store. I have to create three it...

[2 replies] Last: Wow, I cannot believe I forgot those! I feel so dumb haha. Thank you s... (by datboi97)

by Cambalinho

how use array inicializations on constructor?

see these constructor: template<typename TypeID> class array2 { private: TypeID *arr=NULL; int intSize=0; public: array2(unsigned int uintS...

[9 replies] Last: C++ is not Visual Basic. You have to unlearn what you learned in VB. (by closed account E0p9LyTq)

by Mr potato19

It statement

#include <iostream> #include <iomanip> using namespace std; int main() { int i, rows = 0, row_nr; cin >> row_nr; //if(row_nr > 1 && row_nr <= 30) { fo...

[1 reply] : How many threads have you already created about this one program/probl... (by keskiverto)

by awad

learn by coding

hi guys , i need some kind of active group of learners so we can work on some projects

[2 replies] Last: any project mbozzi to apply what we learn (by awad)

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