General C++ Programming - C++ Forum

#include <stdio.h> int main() { int num1,a=1,b; printf("%d %d %d ",a++,a++,a++);printf("%d %d ",a++,a++); } i think the out put s...

[3 replies] Last: [quote=tlgh1113]i think the out put should be 1 2 3 4 5. Why? What ma... (by Cubbi)

by DdavidDLT

Debugger's not working

I have a code that I want to debug but all debug features are grey for me. Setting breakpoints won't change anything. I'm using the newest codeblock 17.12. ED...

[1 reply] : I don't know codeblocks but this sort of thing can be caused by not co... (by jonnin)

by adam77

Cross-platform CMAKE project for old VESA/SVGA DOS Graphics

Hello everyone, I've a lot of old code that I used to do in my school days. Those code maily used TurboC and DJGPP. For Graphics I mainly rely on Interrrupt 10...

[2 replies] Last: And for display I just need a bitblt support. I would suggest that yo... (by coder777)

by lovecoding

Need to build cross platform app(need help of all PC and mobile dev’s)

Hello guys I’ve been reading a lot of articles and questions in this website since I started programming. Now me and my friends had an idea for a business. My...

[2 replies] Last: Felgo is also a good place to start. What you want to do is more than... (by Duthomhas)

by BattleCrazy99

float numbered list? C++

I am trying to make a sales calcualtor but the part i am stuck on at the moment is that I am trying to use float (state_list), for that when the user enters in ...

[1 reply] : Yes, you will have to declare what all the states are. The program wil... (by fiji885)

by vibhu

virtual class inheritance

hi Can anybody please explain how the answer is 223 of the below problem #include <iostream> using namespace std; class B { public: int n; }...

[4 replies] Last: @Repeater thanks for the reply.. (by vibhu)

by asy04

Convert to user input

return 0; }

[4 replies] Last: OP's original post. How can I convert this to user input? #include... (by salem c)

by asy04

Convert into a loop

cout << ave1 << endl; cout << ave2 << endl; return 0; }

[2 replies] Last: OP's original post for reference. #include<iostream> using namespa... (by salem c)

by BattleCrazy99

If, Else infinite loop help, C++

I am trying to make a C++ sales calculator and for my if, else statement I have my "Purchase" as == to false at moment, i am a bit confused on how to get it so ...

[1 reply] : Check out the answer in this thread - https://stackoverflow.com/questi... (by TarikNeaj)

by DeidreForney

Getting "instantiated from here" error while working with templates and classes

I'm in a class learning C++ and our latest project includes using templates in conjunction with classes, arrays, operator overloads and some other junk. I have ...

[2 replies] Last: «instantiated from here» is not an error message your errors are: - ... (by ne555)

by hypnot1c

How to check which argument was picked from a given prompt ?

template <class choice> choice GetChoice(string leftStr, string rightStr, choice a , choice b) { cout << "Please pick " << leftStr <<" or " << rightStr; ...

[2 replies] Last: #include <iostream> #include <limits> template <class choice> choic... (by closed account z05DSL3A)

by kmheflin712

Strings Program with full names

I am having trouble getting the last two statements to execute that should print the full name in the middle of the screen. any help is greatly appreciated. Tha...

[5 replies] Last: Thank you so much!! I had completely forgotten about substr. It works ... (by kmheflin712)

by frek

AI in practice, when coding

Hi, For a long time, even after being familiar with AI theoretically at university, AI was slightly terrifying for me, especially when I'd listen to media how ...

[5 replies] Last: I am not sure what question you want answered. Yes, AI can be done in... (by jonnin)

by slimmy

Help with Vectors and Classes

I am terrible with classes long story short. I need to use a vector to hold instances of classes. I have 3 classes used in this, Light, Material, and Sphere. My...

[1 reply] : Can you replicate the problem with the bare minimal requirements to re... (by poteto)

by tamtam12

Tortoise and Hare race code

Hi, everyone, I am trying to recreate the classic race between Tortoise and Hare and I made my code. I am not sure what is wrong in order to get whole race, pri...

[3 replies] Last: Upload your latest code (below this post, please). It's impossible to ... (by lastchance)

by shuthairah

setting the next result to 0

hello everyone i have been doing a problem on quadratic assignment problem i got a problem on the answer of the coding.. i have a set of answer, the first answ...

[1 reply] : this is the data dist12rou.txt 0 36 54 26 59 72 ... (by shuthairah)

by dudeawsomeness1

How exactly does atan2 work?

I'm trying to code a steering behavior thingy with SFML using little sprites of fish lol. The trouble is the fish follow very strange directions and if they are...

[11 replies] Last: Yeah! Glad you figured it out! (by Duthomhas)

by Tentoes

Not really understanding classes and inheritance.

I have a gizmo class with 2 virtual methods. I can put gizmos in my program, the compiler is happy with them and their methods run happily when I call the base ...

[4 replies] Last: After your code editing, your first post is no more connected with you... (by Enoizat)

by Rishard

STRUCTS

Can someone explain what is the purpose of the & in the print function and how it works. I tried running this with and without the & and got the same thing ...

[1 reply] : That is a reference, and instead of making a copy of your today object... (by George P)

by frek

Some clarifications

Hi all, Let's explain the code below: struct X { static void f(); // declaration static int n; // declaration }; X g() { return X(); } // some f...

[6 replies] Last: Thank so much to both of you. I appreciate your help. (by frek)

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