C++

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Beginners - September 2017 (Page 7)

*I have a problem with the output of my code. I'm supposed to input this values: Acme Software, Inc. 1000 45.50 56.90 *With my current code, the output...

[1 reply] : Hello bal160730, PLEASE ALWAYS USE CODE TAGS (the <> formatting butto... (by Handy Andy)

by Lucas Fiorini

Matrix sorting

Hello guys, I'm having a issue when it comes to sorting matrix. I got a code but I still don't understand how thw programmer made the compiler understand that t...

[2 replies] Last: #include <iostream> #include <algorithm> int main() { // array o... (by JLBorges)

by lurind34

I need some help making an ascii movement system.

I'm trying to make a movement system where the @ is the player and I want to find a way to do it without making a separate if statement for each possibility. Do...

[no replies]

by teeper

Global to Local Variables?

I have a c++ project split up in two different files and headers, but I'm having a problem with one specific .cpp and .h file. In the .cpp file, there's global ...

[5 replies] Last: You cannot use an object (variable) without an instance of it existing... (by Duthomhas)

by DoctorUchiha

Answer Values not passing properly, help!

Hello all, I'm working on a calculator program for complex numbers, and all my functions are working properly with the exception of my swap function. The ide...

[no replies]

by closed account NCRLwA7f

Reading in file with mixed data types to struct

Hello and thank you for taking the time to help. I am having an issue oh how to read an input file with mixed data types to read into a struct. The file is a ...

[2 replies] Last: I just looked at my data and realized that I added a period after the ... (by closed account NCRLwA7f)

by jsbd29

Help with c++ please help

I need some help to understand how to create this code. I've created a file.txt with the names and salary separated and the program is supposed to read the dat...

[2 replies] Last: yeah :) thank you, Andy (by jsbd29)

by tieuholy

strtok function

Hello I am so sorry but learning to code on my own here. If you can explain for me what happening here it would be great. Things like what does two asterisk *...

[2 replies] Last: You might find the following tutorials helpful to explain pointers, an... (by MikeyBoy)

by Bopaki

I get an error on this line: rev(s[s.length]);

I am trying to compile this program and I get this error: 20 10 C:\Dev-Cpp\MalikChapter6\reverseString.cpp no match for 'operator ' (operand types are 'std...

[3 replies] Last: Thank you all!!! It worked so well!!!!!!!!! (by Bopaki)

by sra

pointers

can anyone help me with this assignment ,i think i should use pointers but i can't write the proper code .....

[5 replies] Last: If you are not allowed to use the tolower() from the Standard Library,... (by keskiverto)

by jimm bo

Initialiaze values of a Singly Liked List by a constructor

Hi. I have to create a constructor that allows a new linked list to be populated with ten consecutive values, starting at 0. Then I need to print the list! So i...

[1 reply] : I’ve spotted a couple of issues in your singly linked list, but I’... (by Enoizat)

by mattSucksAtCoding

Unexpected 'inf' Result

I'm experiencing an unexpected result in my code. This program allows the user to input their points earned on an assignment, and the program is supposed to cal...

[5 replies] Last: g++ or clang++: compile with -std=c++14 -Wall -Wextra -pedantic-erro... (by JLBorges)

by Dennisw95

Header file problem

So I was given a header file from my professor, we were instructed to create the functions in the class in another .cpp file then create another .cpp file to do...

[2 replies] Last: That makes total sense! Lmao Tysm (by Dennisw95)

by Lucas Fiorini

Problem to understand casting

Why that to ptr1 point to the address of the array I need to do this (int*)&array? what does it means? #include <iostream> using namespace std; int main...

[3 replies] Last: > But the exact syntax of (int*)&arr means what? I mean, how it works?... (by JLBorges)

by jbailey23

if logic

Why is this if command running regardless if plan input is A, B, or C? #include "stdafx.h" #include <iostream> using namespace std; int main() { ...

[2 replies] Last: http://michael-thomas-greer.com/faq/logic/#or-vs-select (by Duthomhas)

by sphyrch

Read data from CSV files into array

For those familiar with R, I basically want to mirror SOME of the dataframe functionality in C++. In a nutshell: 1. I want to be able to read data from a CSV...

[11 replies] Last: <tuple>'s are another way to go. Read the first line of the CSV file ... (by closed account 48T7M4Gy)

by Lucas Fiorini

output 2 arrays in order

How can I put 2 arrays together but in order considering that both arrays are sorted? like: 1 3 5 8 9 2 4 6 7 10 output : 1 2 3 4 5 6 7 8 9 10; the i...

[6 replies] Last: still learning all the algorithm stuff. Slowly. Good call on merge(... (by jonnin)

by gerbilrancher

If-else statements outputting all answers

Hi hello, I'm new, I'm sure you've seen this all before. I've done lots of searching for my problem and looking at samples of code, but I can't quite figure out...

[3 replies] Last: bool minute ; You are comparing minute against numbers. A bool can ... (by Ganado)

by Bopaki

How can I get the following program to print a string output

It prints 1 for TRUE and 0 for FALSE I want it to print "It is a prime number." if the output is a 1. and "It is not a prime number. " if the output is a 0...

[2 replies] Last: Thanks very much AbstractionAnon (by Bopaki)

by NewbieInCPP

Creating a struct Iterator to work with files.

Hello. I have a binary INT file with values there. So 1 int takes 4 bytes right? So as i can see, my iterator should increase a index so i can move to the next ...

[4 replies] Last: > i need to create my own iterator. If you have been asked to do tha... (by JLBorges)

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