General C++ Programming - C++ Forum

by denver2020

Memory usage problem

the memory usage of the below program constantly increases. how to fix this problem? #include ...

[3 replies] Last: #include <iostream> #include <string> #include <algorithm> class Ch... (by seeplus)

by simson4

Table of sorted numbers( entered in the command line-input)

Hello everyone, Im kinda lost, my task is : Number of integer(positive and negative) on the...

[4 replies] Last: You might use std::vector<int>. If you don't want use STL, try to writ... (by Pointee)

by JamieAl

Opnemp code returns nothing?

I just started reading about openmp and was following with some sample codes, so I have the followin...

[6 replies] Last: @againtry Thanks! (by JamieAl)

by denver2020

Compile Errors, need help

I got the below compile errors. Any idea what could be wrong here? #include <iostream> ...

[6 replies] Last: Thanks everyone for quick help and suggestions. (by denver2020)

by gklempe27

Finding a cycle path in directed graph

I am making a directed Graph class. I want find if there is any Cycle and update a vector with it's ...

[4 replies] Last: L9 - 10 should be: int V {}; list<int> *adj {}; The constructor ... (by seeplus)

by onetwo123

the complexity of the algorithm

I don’t understand how to estimate the complexity of the algorithm below. By the most naive logic,...

[12 replies] Last: Thanks! (by onetwo123)

by derpus

ERROR: Expected primary-expression before '.' token

I am fairly new to C++, & I'm starting to learn threading. The official error I'm getting is: Expec...

[2 replies] Last: AH yes! Thank you so much for helping me my friend! (by derpus)

by newbieAI

Fraction

I created a fraction class but seem to have run into an error. What seems to be the problem? #inc...

[6 replies] Last: If you search the forum for "fraction" and "rational" you'll find seve... (by dhayden)

by onetwo123

Memory segments

Below are two codes. First, a process is created that creates a common segment and opens access to i...

[2 replies] Last: You compute an integer value and display it on the first program's sc... (by onetwo123)

by Cplusc

Matrix assembly in fem using mpi

following my previous question regarding using MPI for finite element http://www.cplusplus.com/forum...

[18 replies] Last: many thanks for your help. the problem was because of x and y. (by Cplusc)

by Iffahh

I am trying to create a program to calculate the price of the car. The loop user input twice. But I keep getting error.

#include <iostream> using namespace std; class AClass { public: int MyNum; string MyC...

[5 replies] Last: A possible OOP based solution code could be: #include <iostream> #in... (by nuderobmonkey)

by Cplusc

FEM matrix assembly using MPI

hello, I am trying to solve the Poisson equation using finite element method with MPI. I already ha...

[4 replies] Last: thanks for your help. (by Cplusc)

by lindsayy

How to delete even element in an array

let say if my array is array ={2,3,4,5} I want to delete all the even element in the array so ...

[7 replies] Last: #include <iostream> #include <valarray> using namespace std; int mai... (by lastchance)

by calvinfornia

Reading in boolean function from a txt

Hi, I'm working on a project which needs to calculate the signal probability of a boolean function i...

[1 reply] : What was wrong with the answers @againtry gave you in your other (iden... (by lastchance)

by mxkxx

array parameter

hello! i would like to know how to get the average of the ratings with 2 decimal places. i have trie...

[2 replies] Last: It's easier to compute the average as part of the input. #include <... (by seeplus)

by excavator

This is my homework actually. I am new to C++ and still am unclear what the questions want.

Here is the question: You must write a complete C++ program based on the instruction below: a. Write...

[4 replies] Last: Ahh, thanks for your information. (by excavator)

by brianbathorycpp

What happens to a unique pointer type after using std::move?

If do something like this: int main() { std::unique_ptr<int> mInt = std::make_unique<int>(); ...

[5 replies] Last: Note that the code would be simpler if you used auto - cuts down the t... (by seeplus)

by mxkxx

ARRAY PARAMETER

It must allow the user to input the values for the Midterm Rating and Final Rating based on Figure 2...

[3 replies] Last: > This must be achieved by a function call to inputRating(stud, n). R... (by salem c)

by x01337

UrlDownloadToFileA Error

Hi everyone! I've been trying to use the AuthGG native C++ example, and when i try to call the ...

[1 reply] : Also posted here -> https://stackoverflow.com/questions/67551618/authg... (by salem c)

by onetwo12

Dynamic programming

I can't understand how to realize program with the help of dymamic programming. I understand idea(be...

[12 replies] Last: However, this is what you get if you build and then traverse your pol... (by onetwo12)

General C++ Programming - May 2021 (Page 2)

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