please wait
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by prog2222
The understanding of the code. C++
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| Can you explain me please this code? I understand it in general terms. I need a clear understanding. #define isEven(x) ((x & 0x01) == 0) #define isOdd(x)... |
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Sep 21, 2021 at 2:39pm
[14 replies] Last: Can it be true? You are just using (the results for) the standard E... (by lastchance)
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by Maln18
Help me with this C++ code
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| I have to do this. These are the instructions. Write a program that queries the user for an odd integer n, where n is a 3, a 5, or a 7. Create a 7x7 static ma... |
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Sep 21, 2021 at 8:58am
[6 replies] Last: the only issue i have with that code is if i enter a magic square nu... (by seeplus)
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by lastchance
Help me fix my code.
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| EDIT: This was Maln18 's unnecessary thread originally - he/she is not worth replying to. This is your THIRD thread with precisely the same problem! For g... |
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Sep 20, 2021 at 10:37pm
[2 replies] Last: [quote=lastchance]For goodness' sake stop cross-posting. Well, the th... (by deleted account xyzzy)
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by rv11265
C++ App error .dll not found
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| I am new to C++ programming and I am using Visual Studio 2019 I have a project that uses a dll xerces-c_2_1_0.dll. This dll is in the same directory as the ap... |
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Sep 20, 2021 at 4:01pm
[6 replies] Last: strange. if you built it on 2 different computers, you can compare th... (by jonnin)
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by gadi01
call derived member functions (1,2)
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| I define a function in base class as virtual and I redefine it in the derived class. When I call this function in func.cpp to use its members, the call fails. I... |
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Sep 20, 2021 at 1:42pm
[38 replies] Last: This page has a fully worked cpp example. https://coin-or.github.io/I... (by TheIdeasMan)
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by shader
Kth stack permutation
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| A stack permutation of number N is defined as the number of sequences which you can print by doing the following Keep two stacks say A and B. Push numbers f... |
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Sep 20, 2021 at 1:41pm
[1 reply] : A guess: https://www.researchgate.net/publication/220432014_A_Note_on_... (by keskiverto)
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by Denvor
Linked list with templates
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| can someone please help me with this program?Im so confused i dont even know where to start. My program is a bit complicated.Im suppose to create two classes.Th... |
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Sep 20, 2021 at 11:06am
[3 replies] Last: You'll find things easier when you come to code the list if you have: ... (by seeplus)
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by Qsh222
Find the first n prime numbers using the sieve of erathostenes
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| The program is supposed to display the first n prime numbers, where n is inputted by the user. I only managed to work out a really slow solution. Could someone ... |
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Sep 20, 2021 at 9:58am
[2 replies] Last: Use the prime number theorem to generate an upper bound on the nth pri... (by JLBorges)
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by tyeager
Why am I getting inf for my output?
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Sep 19, 2021 at 10:09am
[5 replies] Last: Perhaps: #include <iostream> #include <cmath> using namespace std; ... (by seeplus)
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by Qsh222
GCD of n numbers
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| The program is supposed to display the GCD of n numbers. I managed to work out the solution, but in only gets 96 / 100 points. Could someone help my oplimize th... |
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Sep 19, 2021 at 1:49am
[5 replies] Last: Nothing wrong with your solution. Points off for: Dinking with std::c... (by Duthomhas)
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by foxmarine
Word Count
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| Can someone help me derive a program or to understand how to create a program that counts words? That would be helpful!!! Especially utilizing no vectors onl... |
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Sep 19, 2021 at 1:16am
[17 replies] Last: You got a problem with the venerable "goes to" operator? (by Duthomhas)
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by Armanc
How to find all possible placements in a stack with using recursive function
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| I am trying to code a program that finds a target number by using six other integers and four mathematical operations (+, -, *, /). I do not want to use any kin... |
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Sep 18, 2021 at 8:15pm
[3 replies] Last: it is perfectly *safe* to add () to RPN with a dumb algorithm that put... (by jonnin)
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by Zaneemma
Finding discount
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| #include <iostream> using namespace std; int main() { int quantity; int price; cout<<"Enter the quantity:"; cin>>qunatity; cou... |
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Sep 18, 2021 at 12:14pm
[3 replies] Last: int is for integers 90 is an integer literal operations between in... (by ne555)
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by seeplus
Anyone can help me fix my code?
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| The matrix is being allocated on the heap as it is defined as static. To allocate on the stack, don't define as static: #include <iostream> using std::cin; ... |
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Sep 18, 2021 at 9:30am
[no replies]
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by poweruserm
Compatible C++ libraries Questions.
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| I am trying to construct a cross compatible C++ Libraries platform, and I was wondering if anyone can reply with a set of answers and recommendations. I wish t... |
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Sep 18, 2021 at 7:14am
[9 replies] Last: I am trying to assemble a native C++ library set where types immediat... (by helios)
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by Cplusc
how to find common elements between different matrices
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| I have 3 matrices. I want to find the shared elements within these matrices with the number of repetition. matrix 1: 1 2 3 4 5 3 2 1 3 2 1 0 0 2 1 4 mat... |
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Sep 17, 2021 at 3:15pm
[4 replies] Last: what is a point, in the above? matrix 1,2,3 all ? I think you need a... (by jonnin)
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by tanner19
C++ Programming Code This
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| Hello can anyone help me figure out this C++ programs I don't understand how to do it can anyone program it for me and use comments? Static arrays or static ma... |
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Sep 17, 2021 at 12:26pm
[5 replies] Last: Something like this: #include <iostream> #include <string> #include... (by seeplus)
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by volang
winsock getaddrinfo
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| Hello. Hope everything is alright! I have a question about winsock getaddrinfo(domain_addr, "43", &hints, &result); After a call to that function, the las... |
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Sep 17, 2021 at 3:49am
[2 replies] Last: thanks man! freeaddrinfo() <--- (by volang)
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| I am getting an error for no reason |
| It is saying "Member declaration not found" in Word.cpp, "undefined reference to `WinMain@16'" in Word, and "recipe for target 'Word' failed" in makefile. But ... |
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Sep 17, 2021 at 3:41am
[4 replies] Last: The Word::getWord() declared in Word.h is const, but the one defined i... (by helios)
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by cbriggs25
Help with a C++ Project
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| Hi! I am trying to figure out this problem. Write a program that asks a doctor to enter the number of patients that walked into his/her clinic at the end of t... |
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Sep 17, 2021 at 2:07am
[1 reply] : You've made a start, that;s good. You need to ask for the number of p... (by kbw)
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