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Beginners - December 2016 (Page 21)

Matrix

Using standart <iostream> library, if someone could help me, I would be appreciate. Here is exercise: Check whether a given matrix A (m, n) is symmetrical to t...

[no replies]

by Jakubaz

Help me with my project

Hello. I have two files. One with ID, Name and Surname of employee and secund one is with their ID and number of hours in each day they work. I need to sum th...

[7 replies] Last: Sorry, but im realy stupid in programing. I think abouth this. thi... (by Jakubaz)

by markusfurst

Most occurring element in vector<int>

As the title say how do I get the most occurring element. I sorted the vector because I thought it would make things easier, but maybe that was unnecessary. ...

[2 replies] Last: > I sorted the vector because I thought it would make things easier, b... (by JLBorges)

by kinglado

Need to change from max value to average

Hi!! i did a program with array and with funcion to find a max value ( got help with it a little) now i need to do the same one only to calcuate the average us...

[3 replies] Last: Well, I was hoping you would modify the function, rather than main(). ... (by Chervil)

by Guy1988

Passing class name as arguments to member functions

I'm having issues with the last part of my code. I have to add the declaration of void multiply(Fraction,Fraction); to my Fraction class, but when doing so, I...

[18 replies] Last: Are you saying that's what I need to do? That would give the wrong ans... (by Guy1988)

by bluefrog

reading file from last position

Hi The code successfully reads a file, line by line, up to a certain point, then does some processing. The code should restart reading from the line, one line ...

[1 reply] : Well, if you don't use break at line 22, it will continue processing... (by Chervil)

by Nickoblack

Array Question

(first of all sorry if i make any mistake on my english) Well I'm new at programing , and the first and only language i can so far is c++ as i was learning Arr...

[3 replies] Last: #include <iostream> #include <numeric> using namespace std; int main... (by lastchance)

by markusfurst

Arrays

Hello, I'm learning about arrays in c++ and have two questions. I have created this program that's randomizing numbers between 1-100, but somehow the last outp...

[4 replies] Last: I've limited the range of your random numbers to 0 - (RANGE-1), that i... (by lastchance)

by andygarc1a

Question regarding reading a file into an array using a while loop

How do I use a while loop to read the file into the names array? I know I'm supposed to use getline() to read each name but I'm unsure how to approach the probl...

[1 reply] : #include <iostream> #include <fstream> #include <string> using namesp... (by lastchance)

by bluefrog

how to use a using

Hi I have a structure defined as an adjacency_list in the private section of a class. I would like to use adjacency_list in a print function, but I'm getting...

[3 replies] Last: Hi JBroges thanks for the help. Works! (by bluefrog)

by cmhubert

More in depth explaination of inline funcs?

I am in the process of learning C++ and I have come to learning inline functions. I know their purpose and when to/not to use them, but I don't completely under...

[2 replies] Last: That is much simpler that I was imagining; your example really clears ... (by cmhubert)

by markusfurst

Search in array

I'm playing around a little bit with arrays. At the botten of the code I'm searching for a specific number that the user input. It works fine but it only shows ...

[6 replies] Last: Regarding flush/endl with file output. Normally I would avoid using e... (by Chervil)

by mgala

Simple question regarding operators

Hello I'm writing a program which runs a lot of functions that run based on the user inputted menu choice which I will not be including. My question is why is t...

[4 replies] Last: I assume you have closed the other one down. It would have made sense ... (by closed account 48T7M4Gy)

by mpekala

Calling functions

Write a statement that calls computeMajorGpa and assigns the result to gpa. Note that this statement is part of the printMajorGpa() member function for Student,...

[1 reply] : Maybe something like this ... double gpa = computeMajorGpa(); ... (by Peter87)

by amivaleo

Create a variable number of files

Hi guys! I need to write a short script that creates a variable number of output files according to the conditions I set. My problem is that my script only ...

[2 replies] Last: Oops! You're right! Thanks! ^_^" (by amivaleo)

by jimcond

making a queue of c-strings

I need to create a queue of c-strings, but when I push a new c-string onto the queue, all the items in the queue appear to point to the same c-string. In this...

[1 reply] : You have only one buffer for the input so you overwrite it every time.... (by Thomas1965)

by mgala

Desperately need help with functions and arrays

Hello, can someone explain how functions and arrays interact? Specifically, I am writing a program where I need to use several functions, each of which takes a ...

[10 replies] Last: http://www.cplusplus.com/forum/beginner/204040/ Don't double post and... (by closed account 48T7M4Gy)

by SixSixSyntaxError

Dynamic Array and [] operator overloading issue.

Hello, I need some help from experienced folks on this dynamic array I'm creating. I'll get straight to the point. My program asks the user to enter in the init...

[10 replies] Last: And here is another example from "Data Structures and Algorithm Analys... (by closed account 48T7M4Gy)

by landlord2017

Does "unique" function work in vector<char> ?

I thought to find unique elements from a string data is straightforward. But it turned out to be not! The "unique" function definitely works well on vector<...

[4 replies] Last: Thanks. So the answer is to sort the string before unique it. (by landlord2017)

by seungyeon

using a swap function with pointers to array as parameters

can someone explain if im doing this right? i need to use pointer artimetic to change the 3rd element with the 16th element swap(int*p, int size) { ...

[1 reply] : Please use code tags. http://www.cplusplus.com/articles/jEywvCM9/ ... (by integralfx)

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