General C++ Programming - C++ Forum

Passing Objects from one Class to another

Hi, I'm newish to C++ (9 weeks). For a project I've been tasked a phone book, using individual classes. class Contacts {//contains the data i.e num and name...

[8 replies] Last: I've made lots of progress today. Ive figurered out how to pass objec... (by NRob)

by edge6768

Vector iterator not incrementable?

Hi all, I'm getting this error: "Expression: vector iterator not incrementable" at run time with the following code: bool Digraph::removeVertex(const strin...

[4 replies] Last: auto it = container.begin(); while ( it != container.end() ) { ... (by cire)

by krisp1

Calculate Students GPA for the Semester

Write a C++ program to calculate a students GPA for the semester. The program should accept a student’s name, ID number and the number of courses he/she is ta...

[3 replies] Last: so where do i execute do-while loop? and how to make the condtion in w... (by krisp1)

by playersonly31

vector,binary search,bubble sort and insertion sort

i wrote most of the code but every time i run it and press 1 or 2 the program just crashes i don't know why In C++ Using the vector type as your list, imp...

[2 replies] Last: first is to read the output and the second is to select the option sho... (by playersonly31)

by hieutranbk

Writing FTP Client

Hi everyone, I have some problems with writing FTP Client. This is the first time I use socket, inet... Please help me to know what functions and how they work...

[3 replies] Last: You can download it here: http://pocoproject.org/download/index.html (by Thomas1965)

by aurimas13

Circular right shift

Dear everyone, I need to do a circular right shift to get 4552 from 5524 or 22266 from 22662 or 82719 from 27198. How it is possible to obtain such shift? I...

[9 replies] Last: A different algorithm to rotate right by one (reverse the first n-1 d... (by JLBorges)

by NoobPr0grammer

Help with function arrays

Hi, I'm learning about functions and arrays. I'm trying to use for loop to assign values to the array but it isnt working... this is the code: #include <ios...

[3 replies] Last: You did not initialized your area a therefore it has any random numb... (by closed account 48bpfSEw)

by Symphoneee

Help with initializing vectors

I understand that in earlier versions of C++ that you cannot initialize vectors in this fashion: std::vector<int> vec = { 1, 2, 3 }; It is also to my unders...

[3 replies] Last: The http://cpp.sh gives same error both with and without = in C++98 mo... (by keskiverto)

by anilsoni7

can not declare ac variable to be abstract type 'Account'

class User { protected: char password ; char username ; string type; int deposit; public: virtual void mainmenu()=0; }; class Cus...

[1 reply] : You have to implement the function Account::mainmenu() . (by Moschops)

by NoobPr0grammer

Redo a statement when false ?

I'm very new to programming in general and so do not know much... I made this code in my spare time: #include <string> using namespace std; int main(){ ...

[3 replies] Last: oh alright Thanks for the help (by NoobPr0grammer)

by majesticSam

Passing 2d array to header

I'm having some trouble passing a 2d array from my .cpp file to a header file My function in my .cpp file looks like void Lab::logoff(int (&arr) ) an...

[1 reply] : void Lab::logoff(int (&arr) ) int logoff(int (&) ) cons... (by integralfx)

by btoohey4

Converting iterative to recursive function

I have to write a recursive function called void recursive_call(int call) based off an iterative function, that I need to convert to a recursive function that ...

[17 replies] Last: void zig_zag( unsigned int n = 0 ) { if( n < 4 ) { st... (by JLBorges)

by Andrewcen16

splitting a string in fstream

basically i just need help with an algorithm this is just a snippet of my code i need to split a entire line of data. Assuming that this line is just a bunch of...

[3 replies] Last: > What does sb stand for? sb is the input string stream. std::istr... (by JLBorges)

by MackQuest

Programming Help

Hey all I am new here so sorry if this is a spaghetti post but this is the only place that I could turn with an assignment due in such a short amount of time. ...

[no replies]

by Lyndseypie

Help with a program

I am in need of help with this program. I am not very good. Project 3: The Isle Royale Wolves and Moose Please note that this project indicates precis...

[no replies]

by Pat0010

How to find the local MINs and local MAXs of graphs with "noise"?

I'm currently working on a project and I'm running into two issues that I can't seem to solve. They revolve around finding the local MINs and local MAXs of a da...

[4 replies] Last: That will definitely lessen the effects of the noise, and give me a m... (by Pat0010)

by penguinlay

Array Perimeter for Template with Array Library Function

Hi, I am learning how to use template for the first time so that this question might seem stupid for some of you. Please bear with me because I can't find the s...

[5 replies] Last: cire and JLBorges, thank you. I am going to learn more about the templ... (by penguinlay)

by aurimas13

Happy number question

I have to write a program to compute a happy number. A number is called a happy number, if you repeat the process, of squaring the sum of the digits, till the v...

[3 replies] Last: Thank you for the help again. I managed to solve it. simply needed the... (by aurimas13)

by knadeemsyed

Reading data from text file in VC++ 2010

FILE *gdata; gdata=fopen("a1.txt","r"); for( n=1;n<=50;n++) fscanf(gdata,"%f %f %f\n",&x1 ,&y1 ,&z1 ); fclose(gdata); for( n=1;n<=50;n++) //print...

[2 replies] Last: Here is a simple sample: #include <stdio.h> #include <stdlib.h> con... (by Thomas1965)

by Terribad13

Ignore the following:

Using this is a template to study from. I just want one area where my code is printed neatly. (Please do not delete, Admins) Thank you! #include <iostream...

[5 replies] Last: #include <iostream> using namespace std; class Color { public: Col... (by Terribad13)

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General C++ Programming - April 2016 (Page 12)