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General C++ Programming - March 2019 (Page 7)

Hello. I want to count the components in a graph, but something is wrong with my C++ program - the output is sometimes right, but sometimes - wrong. Please help...

[1 reply] : So is your test case an example of when it works, or when it doesn't w... (by salem c)

by bonakme14

looping assignement

hi I'm new in using c++ and it is major course in my school, now I have a assignment about loops and it goes like this I have no idea how to start Write a...

[3 replies] Last: > how do you code that ? Read a book. Pay attention in class. This i... (by salem c)

by closed account z05DSL3A

Using Declarations, Using Directive, or Full Scope Resolution.

...

[8 replies] Last: [quote=Ganado]...but it sounded like you were looking for an end-resul... (by closed account z05DSL3A)

by CABrouwers

expected unqualified-id before numeric constant

What could be the source of this compilation error? mathconst.hpp:2:14: error: expected unqualified-id before numeric constant const double M_PI = 3.14159...

[4 replies] Last: but that doesn't work in Visual Studio It works just fine in VS. Th... (by Duthomhas)

by ashebynova

Homework Output Help

Hello, can someone help me. Everything works but the employee name output doesn't display as it should. What am I doing wrong? #include <iostream> #include...

[2 replies] Last: It should just display (by ashebynova)

by darkknight914

Invalid Conversion from char* to unsigned int

I'm trying to compare the value of C against strlen(sn) and update C to the new length if it is smaller. I keep getting an invalid conversion from char* to unsi...

[2 replies] Last: Hint: sn is not a string, it is also not initialized in the code snipp... (by jlb)

by vaderboi

console not returning expected number of characters in cin buffer

I am creating a console version of "Bull Cow Game". In the game, the user has a certain number of tries to guess what the secret word is. Every time they guess,...

[2 replies] Last: They pointed that out on Stack Overflow too. After they posted it, I r... (by vaderboi)

by kapil2905

Why is semaphore called a signalling mechanism ?

Hi ppl :), I came across at many places[skipping references] that semaphores are a signalling mechanism and mutex is mechanism to ensure only one thread/proces...

[3 replies] Last: The use of the term semaphore in computer science is very old and pred... (by CABrouwers)

by zaahm18

unique pointer

I made this code here: #include <functional> #include <iostream> #include "to_c_array.h" void to_c_array(){ } int main() { // Please note: this excerc...

[2 replies] Last: @jlb, no, they will all be set to 1 (although he should say 1 and not ... (by dutch)

by ezekiellabaco

Grading System Progaramming

I have trouble making my program my only problem rn is delete section and putting file handling in my program THis is my code down below.: #include<iostream>...

[1 reply] : I have trouble making my program my only problem rn is delete sectio... (by jlb)

by Cantstrikeout

need help bubble sort

#include <iostream> using std::cout; using std::endl; void bubble(int arr , int size) { /* need help here */ } void printlist(int arr , int si...

[1 reply] : #include <iostream> #include <iomanip> void swap( int& a, int& b ) {... (by JLBorges)

by zaahm18

funtion that counts coloumn. (1,2)

I have this mtx file: %%MatrixMarket matrix coordinate integer general % 5 5 10 1 1 11 1 5 15 2 3 23 2 4 24 3 2 32 3 5 35 4 1 41...

[20 replies] Last: Some more ideas. #include <iostream> #include <iomanip> #include <ss... (by salem c)

by vaderboi

How do I have the cin buffer only accept a specific number of characters? (1,2)

I want to create a variable that only is able to take a specific number of characters from user and then will discard the rest. Here is the function in question...

[29 replies] Last: Oh interesting. It is neat that C++ just will automatically stop takin... (by vaderboi)

by funkykid122

Help

Write a program with a class that contains following data members • Id • Marks Create and array of objects of size 10. Create a function read() to ...

[no replies]

by Rishard

csv file reading

Hello guys I am a novice at C++, however I have this project for school. I am trying to read a CSV file using C++ visual studio and store each value into string...

[5 replies] Last: Parsing a CSV is a job for a finite state machine. Using an FSM makes ... (by dhayden)

by osan

appointment code

i have tried an appointment (one time, daily, weekly and monthly) code. can someone help me with the issues. Thank you so much. //main #include "Appointment...

[3 replies] Last: I think you need to step away from the code for a few minutes and thin... (by dhayden)

by alenko92

Postfix to Infix Conversion with multiple digit integers

Hello, I'm currently working in a c++ program that computes postfix expressions and then converts the postfix expression into an infix expression. I've been doi...

[6 replies] Last: Nice. It seems the brackets in the infix notation are not dependent on... (by MikeStgt)

by helloworld2020

How to find the second Tuesday in October of a given year in C++?

For example, given 2019, October, return 12 since the second Tuesday on October 2019 is 12th. I know how to do it in java. I want to implement it in C++, but I ...

[4 replies] Last: #include <iostream> #include <ctime> using namespace std; const char... (by lastchance)

by Fadey

class virtual function but no overload instead stack calling ( constructor like behavior )

Not really good at making titles. class deep{ deep(){ cout << "deep()" << endl; } void stackTrigger(){ cout << "stackTrigger() - deep" << endl; } } ...

[5 replies] Last: If you always want to call deep::stackTrigger(), no more, no less, no ... (by Peter87)

by roses

Compiler gives no errors, yet it doesn't continue past a certain point when I run it

idk what im doing wrong here. so here's the problem Write a program that accepts as input: The loan amount The interest rate per year The monthly...

[8 replies] Last: You keep decreasing the payment. Eventually it drops to zero, then it... (by dhayden)

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