Beginners - C++ Forum - September 2013 (Page 41)

hello guys .. i need to read some infos from a file .. like for example the name of a student , his ID number and his grade .. and when the user inputs the na...

[1 reply] : The <fstream> standard header will be very handy for such a simple tas... (by Aceix)

by shahgee

how to write this program in function.i am puzzled.

create a dynamic array of size n*n #include<iostream> #include<conio.h> using namespace std; void dynamicarray(int arrayy ,int n){ int **arrayy=...

[1 reply] : // first allocate the rows dynamically int** dynamicArra... (by IceThatJaw)

by Jose94ji

Arrays question

This is what I have so far but I was suppose to use a dynamic array not a normal one. How would I go about changing this to a dynamic array? #include <io...

[1 reply] : Syntax for "dynamic array": <type> <identifier>=new <type>[array size] (by Aceix)

by Bdanielz

switch/case inside of a dowhile loop; Not seeing case variables.

I am sure I am overlooking something here. Or there is a better way. More specifically line 20 and 23 my IDE is complaining... Use of undeclared varia...

[3 replies] Last: Final program. Just to follow up. For the sake of following up. #in... (by Bdanielz)

by closed account 2UD8vCM9

Can't get simple math to work

I'm brand new at C++ and extremely clueless. I can't get a simple math function to print out the correct answer in cout. The answer i'm looking for is 52/15 ...

[5 replies] Last: n/1 is how many 1s go into the number, which will return the number, n... (by Mats)

by Austin J

How to make default constructor appropriate for std::map?

I have a map of objects but I need to do something with the constructor apparently? No clue how this is done. Apparently I need to overload the < operator? ...

[6 replies] Last: operator< is the less than operator, which some containers need in o... (by Daleth)

by Mehdinaqvi

program is runing but giving me wroung output.plz corrct me

how to initilize (N*N) matrix with random number in the range 1-9. #include<iostream> #include<conio.h> #include <stdlib.h> #include <time.h> const in...

[3 replies] Last: thank you dear (by Mehdinaqvi)

by Nebur

Read a line of numbers

Hi, I am trying to make a program in which the user enters a number n, and then, a line of numbers. i.e. -> 5 -> 1 4 7 6 2 0 9 is there any possib...

[2 replies] Last: [quote=Chriscpp]is there any possibility to store this numbers in a ve... (by Aceix)

by annmagret

Having trouble in adding using loop

What can i do ? The output of my sum is garbage value. what do you think is the problem ? //This program will record the #include <iostream> //pre-process...

[7 replies] Last: @OP check my edit at the top(2nd post) Aceix. (by Aceix)

by MarketAnarchist

how do i point to a method?

So i think its pretty clear from the code what I'm trying to do here. Thanks in advance to anyone who takes a look! #include <iostream> bool *pbTrue; ...

[1 reply] : nvm, problem solved with polymorphism (by MarketAnarchist)

by elfeck

Making class with vector<unique_ptr> copy-able

Hello, I've got a class with a member of type std::vector<std::unique_ptr<MyClass>> and I need it to be fully copy-able. I don't know how to implement a copy-...

[12 replies] Last: Doing B b = std::move(old.b) gives me Error 1 error C2248: 'std::uni... (by elfeck)

by jsias99

Help with homework, sorry im a Noob

Hi guys, I am taking a Begginers C++ course, and so far i have been able to grasp everything, but then he jumped into templates and arrays, here is what he ...

[4 replies] Last: You guys rock, but after trying all night I cant seem to figure out th... (by jsias99)

by Ch1156

Titanic Sinking Timer

i am making a timer that tells me how many seconds, minutes, hours, days and years ago the titanic sunk i am confused on where to start the calculation. It sank...

[1 reply] : One way, certainly not the only way... Epoch time is based on the num... (by SamuelAdams)

by Nenekonesha

Class Constructors/Destructors/Exception

Hello everyone, It's not really a problem but rather a need for clarification. Coming from a C background, I understand only a little of the finer concepts o...

[8 replies] Last: > provided that non of them were initialized by the new operator. You... (by JLBorges)

by RavenEater

Simple homework code doesn't work

Hello, this is my first code I have writen but it doesn't work. The objective is to print out second smalest number from user input. My code doesn't work if use...

[3 replies] Last: line 20 is one input. line 22 is another. and line 32. but no more... (by Manga)

by moreme

Declaring Objects of classes

Hey guys, Is it possible to declare an object with same name for two classes? for example: class A { }; Class B { }; int main() { A X; B X;...

[4 replies] Last: Well, it seems you guys are right. It does not work in the same scope.... (by Manga)

by ohhhlisalisa

if statement

I'm trying to write if statement. But it comes out shows "[ _Elem=char,_Traits=std::char_traits<char>] Here's what I write. Thanks a lot. cout << ...

[2 replies] Last: Hello, as coder777 mentioned, you have to put an if after else, but i... (by moreme)

by Sharan123

Recursive function problem

The problem isn't in code i don't how it works for example the output should be turn 1: 1->2 turn 2: turn 1 2->1 turn 2: turn 1: 1->2 turn 2: turn ...

[6 replies] Last: so on turn 2 even if its dskToMv =0 it should transfer to turn 3 and t... (by Sharan123)

by programmerx

PDF to Word Convertor or vice versa

Hello all, i want to code a convertor which could take a file (PDF , .docx) and convert it... Is c++ the better option if yes please share some resources ...

[1 reply] : read this: http://www.adobe.com/devnet/pdf/pdf_reference.html (by tath)

by Megziflips

Beginner problem: I keep getting "no operator " <<" matches these operands."

#include <iostream> using std::cout; using std::cin; using std::endl; using std::string; int main() { string word; while (cin >> word); // read until...

[2 replies] Last: Worked, thanks. (by Megziflips)

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Beginners - September 2013 (Page 41)