C++

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General C++ Programming - May 2018

Write a full program that will read from the user 24 full numbers that represent the income of a firm for each month for a 24 month period. Then counts and disp...

[10 replies] Last: I tested it it's working perfect. Thank you one more time. I also have... (by Bleron)

by hassanAman

Erasing elements from the vector container

Hi all. I know how to erase / remove elements from the vector, but don't really know what's going on; std::vector<Entity*> entities; //adding : void addEnti...

[1 reply] : When you erase an element all iterators to that element (and to all el... (by Peter87)

by hassanAman

Visual Studio 2017 Programs Slower Than Code::Blocks'

The programs I make in MSVC are very slow compared to that of Code::Blocks', why is that? The programs made in Code::Blocks are a lot faster, is this a compiler...

[8 replies] Last: Glad to help :) (by Ganado)

by Aaron Vienneau

Efficient/Elegant way to select random entry from Vector Matching Criteria?

Hi, Given a vector std::vector<std::pair<std::string, Gender>> myVector = { {"Aaron", Male}, {"Anna", Female}, {"Bryce", Male}, {"Lynn", Female}, {"Abbie", Fe...

[1 reply] : well, maybe :) if the distribution of names is nearly 50%, checking a... (by jonnin)

by kafka

BigInt problem

Hello guys. This is the problem I have to solve for class until next week: Given: n Info about n: natural number with at least 20 digits and maximum 1000 ...

[18 replies] Last: This do you @kafka? #include <iostream> #include <vector> #include <... (by lastchance)

by baijy019

need help

Hi everyone, if anyone is able to help greatly appreciated I am currently up to stage 4 and am hopeless with the loops, so if anyone can help from stage 4 onw...

[2 replies] Last: If you've completed step 3, then you have a program that runs one game... (by kbw)

by GhettoBurger

Understanding Pointers and References

I have been doing C++ for quite a while and still cant seem to get a grasp of how pointers and references, using and when to use them. Below is a basic polymo...

[10 replies] Last: Yet more fun with parentheses: int * fun ( double ); // function int... (by keskiverto)

by PeymanTGH

c++ socket connection "Connection refused"

I'm writing a server/client application. my server works great on local ip addresses and i am able to test all of its features using 127.0.0.1 as ip address and...

[2 replies] Last: I agree, this is a routing issue my Iranian friend. Loop-back works be... (by Computergeek01)

by closed account yT72wA7f

Reading a file and storing the data into 2D array

Im trying to get my code to read in a file with 10 lines and 10 characters on each line and then store each character read in into a 10X10 2D character array. T...

[8 replies] Last: I agree that we need to see the code that you tried that did not work.... (by doug4)

by Deanmon

Why is it colliding

i made a program and i cant find root of problem. Code is #include<iostream> #include <cstdlib> #include<conio.h> using namespace std; int main(){ int...

[1 reply] : I think what's happen is that when you take the diamond the bomb happe... (by Peter87)

by passiontrip

Error: variable has incomplete type void

Hello I'm fresh into c++ and I'm really struggling with this error. I'm tasked to have all the outputs for my values of area, perimeter, and diagonal in a disp...

[3 replies] Last: Yes. Just invoke it, like we invoke the other functions that return va... (by JLBorges)

by baijy019

how do i even do this

Stage 1 To begin, display the jackpot to the screen and prompt for and read the player’s choice. Display the player’s choice to the screen as seen bel...

[2 replies] Last: the whole question will be posted tonight then along with the sample o... (by baijy019)

by doug4

Warning on Deprecated Functionality

Here's the question. Is there any way to add a compiler warning to code such that it is only activated when a function is called? I have created a code gene...

[5 replies] Last: Thank-you @Peter87. That looks like what I want. (by doug4)

by andriasss

BUILDING PROGRAM

given sequence 1 2 4 8 16 23 ... so An+1=An+suM of An; and how to write program wich calculate An element. i wrote but it need Much time.

[11 replies] Last: You STILL haven't defined your actual sequence in an intelligible mann... (by lastchance)

by andriasss

Erase integer

Given numbers 1 to N and A number beetwen 1 to N. You have to erase odd or even index number to reach A. If you erase edds write 1 , else 0. 1 2 3 4 5 6 7 ...

[4 replies] Last: Thanks (by andriasss)

by Programmer X

I need help with this game of mine please urgent!!!

Ok so I'm new to here but I'm trying to make a game for my project at school the game is going really well but I can't get the input(cin) right when I ask the u...

[7 replies] Last: Any use of cin is subject to errors that need to be handled to prevent... (by Proidentini)

by closed account EwUS1hU5

Reading file into 2D array

can someone help me read a text file and store the file contents into a 2D array? When I run the program it keeps giving my random numbers. The numbers will b...

[1 reply] : cout << array; This makes no sense. (by Repeater)

by SnxCreator

Help with understanding problem(s)

Hello everyone, this is my first time using this forum. I really need help with my homework. I currently can't compile my work. I had to download a 4gb extra...

[3 replies] Last: It's mostly correct, just a couple of errors. 1. In expand(), you don... (by kbw)

by closed account EwUS1hU5

Reading file into 2D array

can someone help me read a text file and store the file contents into a 2D array? When I run the program it keeps giving my random numbers. The numbers will b...

[2 replies] Last: How would I go about printing the array with another double loop? Shou... (by closed account EwUS1hU5)

by SnxCreator

Missing factor?

Write a function that accepts an int array and the array’s size as arguments. The function should create a new array that is twice the size of the argument a...

[1 reply] : Remove the semicolon at the end of this line: int * expand (int numb... (by tpb)

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