Beginners - C++ Forum - December 2018 (Page 15)

How to delete a element of array in dynamic malloc table?

I have array like that 211122222 11220212 22222111 111123 222222 1 11111 and after that 211122222 11222212 22222111 111123 2222 2 1 11111 I w...

[5 replies] Last: coder777 Why I trying do this with opposing insert but not everything ... (by asxxx)

by lasas

Distinct binary matrices

How do I find the number of distinct n*m binary matrices such that two matrices are identical if and only if one of them can be turned into the other by first s...

[no replies]

by sanam25

Program does not run

#include <iostream> using namespace std; template <typename T, int length> class SortedList { private: ostream& put(ostream& out) const; T list ; i...

[4 replies] Last: The problem is that the class Int doesn't have a default ctor, which i... (by Thomas1965)

by JesusFreak43

Linked Lists Confusion

Hi, what I am confused about is the insertNode function in this class. Under the first else where it says: if (newitem >= first->info)//e.g., 25 > 3 ...

[2 replies] Last: I'm confused because in the class they declared first like this: node... (by dhayden)

by dadamus

algorithms in arrays

Hi, i was trying to find algorithms that would allow me to move in 2 dimensional array above, below and in main diagonal and also that other one. Could you sen...

[1 reply] : up is row +1 or row -1 from where you are. down is the opposite. lef... (by jonnin)

by closed account EAp4z8AR

Classes

How would I define non static member functions from classes? I keep getting an error saying that first is not a static member if the class. #include <iost...

[1 reply] : Hi, The compiler is trying to interpret this as a function definiti... (by TheIdeasMan)

by diggty66

Battleship C++

First time submitting anything, I'm new to coding and new to c++. I know my code probably looks a mess to the experienced eye. I have to write a code as describ...

[4 replies] Last: Heres my end result of this after much trial and tribulation and lots ... (by diggty66)

by closed account j1AR92yv

printing array in function

Hey! For this program int rounds(float x) { return x + (x < 0 ? -0.5 : +0.5); //rounds float to nearest int and //returns int value } int main() ...

[1 reply] : To give you an idea... #include <iostream> int rounds(float); void p... (by chicofeo)

by neomarlyn

Writing into arrays from user input

I have a character array 12x10. The array simply needs to contain an O or X to indicate if the seat is occupied. Here is what I have so far, I'll just share t...

[2 replies] Last: Please, could you format your code? Press 'Edit' at the lower right co... (by nuderobmonkey)

by someone1234567

String Example

Could you please write a program using string.

[1 reply] : #include <iostream> #include <string> using namespace std::literals;... (by mbozzi)

by javascripty

Having trouble with [LNK1169 one or more multiply defined symbols found]

This works when combined into a single file, but when I try to split it into main.cpp, BigInt.cpp, and BigInt.h it comes up with the following errors. Any idea ...

[2 replies] Last: I completely overlooked that - Got it now - thank you very much! (by javascripty)

by Cairus

Showing and generating an array from a function

I need to generate an array with 25 elements with random numbers from 3-7 and then show them using a function. I keep getting an error on line 20 saying invalid...

[2 replies] Last: ah i have to take out the brackets as well, makes sense now. originall... (by Cairus)

by detro

images on windowss.

Hi, i am using the windows.h library, and I've had some difficulties with this. I am trying to show a image in my graphical interface. My program is working, bu...

[8 replies] Last: Oh, I was doing a error of principiant. The error is so idiot that I d... (by detro)

by sandigger

deleting an Object

int main() { class B { }; class A { public: ~A() { delete el; } B* el; }; B* b = new B; A a; a.el = b; a.~A(); } ------...

[8 replies] Last: try these: (and check out the <> format button on the side for postin... (by jonnin)

by truckboy98

Very confused between pointers and references

shouldnt i get the adress for v since its vptr2 is pointing to it? int main(){ int v ={0, 10, 20 ,30, 40}; int *vPtr2; vPtr2 = &v[ 2 ]; cout << &vPtr2<< e...

[4 replies] Last: BTW, note that there are no references in the OP. The & in that code... (by dhayden)

by owmn

Homework Help Please!

I need help with this assignment for school, and I am stuck on what the problem is...Any help or guidance is appreciated! My instructions for school: (Circ...

[3 replies] Last: My problem is my code will not compile Then your compiler will be gi... (by MikeyBoy)

by cindl24

Help, two errors

I am trying to write code that takes in virtual voids and pure virtual voids. My understanding is that with a pure virtual void you do not include the function ...

[2 replies] Last: Thank you!! I can't believe I missed the typo. I stared at that off a... (by cindl24)

by jlb

What Is a Potentiometer, and How to Choose the Correct Potentiometer?

It's a piece of hardware, that has a rotary motion that varies a resistance on the wiper of the device.

[4 replies] Last: I dunno, that wiper of the device comment is clearly not a translation... (by jonnin)

by Tox1c

I need to debug my program.

Hello i need some help debugging my c++ program. Thx. #include <iostream> #include <fstream> #include <string> using namespace std; struct contact...

[5 replies] Last: Your functions take parameters. void input(contact s ) input expect... (by Repeater)

by closed account yvD2hbRD

Blackjack game

I've started to write the beginning of the game blackjack, this is just a menu, but I keep getting errors and I don't understand why? Could someone help, thanks...

[6 replies] Last: Yeah I just realised what you meant sorry (by closed account yvD2hbRD)

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Beginners - December 2018 (Page 15)