General C++ Programming - C++ Forum

hi, Can anyone tell me the exact difference between memset,malloc and calloc.I am new to c++, Know this is simple question to ask in c++ but i am getting l...

[4 replies] Last: tks for ur reply guys.... (by sharath137)

by blairsaid

Working with structures, arrays, and classes

These are my requirements. Create a class that simulates and manages a soft drink machine. Information on each drink type should be stored in a structure that ...

[3 replies] Last: Here is the header Drink.h // Class Drink implmentation code "Drink.... (by blairsaid)

by superman21

Calendar Program that Ouputs Work Schedule

I am currently working on a program for my Object Oriented class. The task is to create a calendar (Which I have already done) and output the work schedule for ...

[no replies]

by closed account 4ET0pfjN

Purpose of size_t

Hi, I just found out C++ supports vectors which I guess are safer to use than dynamiically allocated memory for arrays, but what is size_t in the for loop, why ...

[2 replies] Last: size_t is the type returned by the sizeof operator, and it's what you'... (by Cubbi)

by closed account 4ET0pfjN

Purpose of size_t

Hi, I just found out C++ supports vectors which I guess are safer to use than dynamiically allocated memory for arrays, but what is size_t in the for loop, why ...

[2 replies] Last: 1) What's size_type? std::vector::size_type is a type that is defined... (by closed account 3hM2Nwbp)

by incognito

Merge sort : which is the correct method?

I found two different implementations of merge sort. The first one, merges two sorted arrays into one single array. http://mathbits.com/mathbits/compsci/...

[1 reply] : The first one describes what is called a merge, which is an algorithm ... (by blueberry)

by rajatgirotra

Default argument to virtual function.

Hey Guys Can someone please advise what the rule is regarding default arguments used in virtual functions? From the output of the code below, you can see the ...

[3 replies] Last: Thanks much guys. I understand now. (by rajatgirotra)

by tripline

Help me connect my functions

How does the compiler choose which function to run first? If I choose not to Play, I want my main() to run. #include <iostream> #include <ctime> using namesp...

[8 replies] Last: tripline, the 2 solutions I use are to either 1) run the program with ... (by rollie)

by oreodrinker

Arrays Help

The Program objective is this: Write a program which will use 3 arrays. They will contain a students first name, last name, and Final grade average. Use a l...

[1 reply] : I think you are pretty close. First the assignment says you need 3 arr... (by buffbill)

by zik

generating random numbers

explanations and series of steps needed

[no replies]

by bruno sonsol

wrong valors being passed

I have a program that simulates a heapsort, but it doesn't work when the size of the array is smaller than 4 or bigger than 9. Can somebody point me the proble...

[no replies]

by kayseri

valgrind shows definitely lost blocks in simple code

How can i remove memory leaks in simple code below? int main() { char* str = new char(); str = "test"; //delete str; return 0; } g...

[1 reply] : The leak occurs at line 3, where the only copy of the pointer to the d... (by Cubbi)

by kayseri

print string in reverse order with unknown length and without using libraries

Hi, Is it possible to print a string in reverse order without knowing length and without using string libraries? (just using pointers) void printReverse(char ...

[3 replies] Last: Thanks all :) (by kayseri)

by Daniel13789

Quantity reduction help

Hello all! I've stumbled into a problem while trying to complete this code. I can't seem to figure out how to reduce the number of drinks when the program purch...

[no replies]

by jag4205

Private class

Class B is derived from class A privately; can a public member of class A be accessed directly in class B?

[2 replies] Last: I think the answer is yes, but i am not sure why (by jag4205)

by majidkamali1370

Unequal random

Hi. How to generate unequal probability random number. I mean i.e when I want to generate a number between 1 and 10, these numbers does not have equal probabi...

[8 replies] Last: Thank you Cubbi ;) (by majidkamali1370)

by ebru

acil yardım!

m tabanında verilen iki sayının çarpımı istenmektedir. Bu çarpımı tekrarlamalı (recursive) olarak yapan programı yazamadım yardımcı olur musunu...

[4 replies] Last: do you look for some thing like: int multiply(int a, int b){ if(b <=... (by therockon7throw)

by enigmaticady

need your urgent help c++ arrays

This question is mainly based on Block II – Unit 1 and it tests your ability to work with arrays. Consider a 5-by-5 array of characters. Write a C++ program ...

[3 replies] Last: @codekiddy: LOL!!!!!! (by viliml)

by wbeasley

help pleaseee getline() is being skipped

I am working on a little program and for some reason when I try and use the getline() it is giving me a lot of problems here is what I did getline(cin, s....

[5 replies] Last: You have a different problem than the one described in the faq. You a... (by cire)

by lilrj9

Hello need help with this C++ program

So I am in need for two programs to be created. They are very simple, but I am very poor at C++ here is the questions write a program that declares and inte...

[5 replies] Last: 1. #include <iostream> #include <cstdlib> using namespace std; int ... (by viliml)

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General C++ Programming - May 2012 (Page 40)