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General C++ Programming - April 2017 (Page 6)

Can someone kindly explain to me what are bitmasks exactly used for? I read about them on wiki, searched a few topics but my poor brain just can't understand t...

[8 replies] Last: The communications protocol we were using was for vehicles. say a mess... (by jonnin)

by Kalcor

Minimax algorithm

https://i.stack.imgur.com/PCAPQ.jpg Hello, This image above, is kind of vague to me, it was from a MIT lecture about minimax with Alpha/Beta pruning now I ...

[6 replies] Last: Thanks <3 (by Kalcor)

by Hamidur

Why My Tic Tac Toe is not working.

#include <iostream> #include <string> using namespace std; const int raws = 3; // this many raws in the board const int columns = 3; // this many ...

[1 reply] : What are the error messages you are getting? (by closed account D9T7Djzh)

by Winston7

Cell phone tower capacity

Sorry this is long but I am almost finished with this assignment and just cannot finish the last part. I have all the signal strengths in an array such that: Th...

[no replies]

by yrawat

test aray

Study Observing Variables feature of MSVS described here. As you work on the below project, demonstrate to the instructor displaying local variable values with ...

[2 replies] Last: The main function is as follows and our code should work properly with... (by yrawat)

by ISM34

Traveling Salesman Problem C++ Code Issue

The following code is an algorithm I designed to solve the Traveling Salesman Problem. I am using a Nearest Neighbor Algorithm to find an optimal path and cost ...

[no replies]

by Coast1997

C++

Ive got this code but it won't run and i can't find any more errors int main(){ int *p, i, a ; p=a; for (i=0; i<10; i++) scanf("%d", p++); printf(...

[5 replies] Last: You need to reset your pointer to the beginning of the array. Also it... (by Thomas1965)

by cavaliers2

Lexical Analysis/getToken() Question: Simplified

This question resides within a lexical analysis program: I've been working on a member function Token getToken(): each call to this function is supposed to ret...

[1 reply] : Line 26 needs to return the token type Line 56 looks wrong to me. If ... (by dhayden)

by markymark99

Bit Array operator overloads

Hello all there is a program that I am writing and it requires me to define these three friend functions. friend ostream& operator<< (ostream& os, const ...

[4 replies] Last: operator != is easy: Implement it with operator==(): bool operator !=... (by dhayden)

by zoran404

Asio read queue

I needed to asynchronously read n bytes from the tcp stream in asio, but I couldn't find any appropriate api, so I made my own solution that uses a byte array a...

[4 replies] Last: That may be the case. I haven't had much experience with the api at th... (by zoran404)

by markymark99

Sieve() function

hello all, I was wondering if i can get some assistance with the Sieve algorithm. I have to make a bit array class that prints a array of bits in binary. But wh...

[1 reply] : https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes (by closed account 48T7M4Gy)

by zerophase

Disable Run-Time Check Failure #3 for a method

I have some code that's triggering Run-Time Check Failure #3, but the variable should be assigned before use. code: typedef const char *Id; Id dialogueParent...

[2 replies] Last: Turns out I just needed to map a comparator for const char * to dialog... (by zerophase)

by frustratedSEstudent

Need help completing this switch statement in my code

Basically, I am supposed to create a program to add, view, remove and update products. However I have only been able to successfully implement add and view. If ...

[3 replies] Last: If you solve your problem, please do not remove your topic. http://www... (by mbozzi)

by iosgaming700

Help! tic tac toe program

Need help... not figuring out the winners to my tic tac toe program code below //This is a program that will aloow the user to play a game of tic-tac-toe //Ahm...

[8 replies] Last: my bad... i figured it out anyways thanks to this site! (by iosgaming700)

by iosgaming700

What is wrong with my if-else statement?

if (win1 == true) { cout << "Player x won" << endl; xWin++; } else if (win2 == true); { cout<< "Player o won" <<endl; oWin++; } else//e...

[2 replies] Last: wow thanks (by iosgaming700)

by student6579

Please Help Getting Errors

Hello. im creating a program that determines payroll and im getting problems debugging it can someone help point out the reasons why im getting errors. Tha...

[no replies]

by rcat164

Comparing integer and pointer

I am writing code to compare a zipcode integer input (int z) and the zipcode of the input ZNode object *n. When comparing them I keep getting error of comparis...

[1 reply] : need to see the variable in the class also. Is it a pointer, do you n... (by jonnin)

by markymark99

BitArray Organization and Manipulation

Hello all I am assigned to make a bit array class and I would like some assistance on some definitions of the class. I need to make a Set(), Unset(),Query(), an...

[10 replies] Last: #include <iostream> using namespace std; #include "Header.h" int m... (by markymark99)

by Beyond Humanity

How to pass a dynamic array of objects as a function argument? (

What the function outputs is not the matter at hand. I will not use double pointers, so go ahead and show me how to use references to pass arrays. The functio...

[1 reply] : Go ahead and show me how to use references to pass arrays. Fundament... (by mbozzi)

by Putarda

How to code circular int?

Hello. Whats the best way to code circular int? So for example I have int red_color = 255; and if someone initialize red_color = 256; it will be changed to 1...

[2 replies] Last: Thanks! (by Putarda)

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