Write a program that continues to ask the user to enter any decimal number and calculate it’s binary,octal and hexadecimal equivalent.

Badugu

• Mar 11th, 2015

Please try following:

Code
#include<iostream>
#include<fstream>
#include <bitset>
"Enter a decimal Number:""Hexa Decimal:"<<std::hex<<i<<"     Octal:""Binary:""Enter a decimal Number:"

rohit suri

• Sep 11th, 2014

Code
 

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What is the main thing that C++ macros can do that cannot be done with functions? Give a realistically useful example of something of this kind.

Macros have the distinct advantage of being more efficient than functions, because their corresponding code is inserted directly into your source code at the point where the macro is called. There is no overhead involved in using a macro like...

Joe Fitzgerald

• Jun 5th, 2017

Use macros for an "include guard" only to avoid duplicate definition of types. Macros should be avoided in most other cases in C++ since they are not type safe, fail to respect scoping rules, and the...

EigenCritic@gmail.com

• Apr 6th, 2016

People usually say that using macros in C++ should be avoided. But there are exceptions, especially regarding meta programming, debugging, profiling and for cross-platform code switches. You can use...

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Why the constructor is used?

Sukrati Prasad

• May 29th, 2017

To initialize the class variables.

Chakshu gill

• Dec 4th, 2016

It is used to initialize the object of that class type during its creation

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Templates allow to create generic functions that admit any data type as parameters and return value without having to overload the function with all the possible data types. Until certain point they fulfill the functionality of a macro. Its prototype is any of the two following ones: template identifier> function_declaration; template identifier> function_declaration; The only difference between...

MCBod

 Profile Answers by MCBod Questions by MCBod

• Mar 31st, 2010

A template is a function that is defined without template parameters, being parameters that have an undefined type. The logic of the function must be executable for all possible data types e.g. using ...

rajangidwani

 Profile Answers by rajangidwani Questions by rajangidwani

• Jul 20th, 2009

A template parameter is a special kind of parameter that can be used to pass a type as argument: just like regular function parameters can be used to pass values to a function, template parameters all...

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Namespaces allow us to group a set of global classes, objects and/or functions under a name. To say it somehow, they serve to split the global scope in sub-scopes known as namespaces.  The form to use namespaces is:  namespace identifier {   namespace-body }Where identifier is any valid identifier and namespace-body is the set of classes, objects and functions that are included...

burraganesh

 Profile Answers by burraganesh Questions by burraganesh

• Dec 7th, 2008

Namespace is simply a name given to a global space, to form a sub-space in global space.

saroj

• Oct 31st, 2007

Minimize?name collision in the global name space, this? namespace?keyword assining a distinict?name?to a libray?to use?the same indentifier names without creating any name collision further name more the? compiler uses the namespce signature for differenting the defn.

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mysterysource

• May 31st, 2015

If i am not wrong get() reads char by char and it does not read the blank spaces

anabarai

 Profile Answers by anabarai Questions by anabarai

• Jul 4th, 2011

get() extracts char by char from a stream and returns its value (casted to an integer) whereas getline() is used to get a line from a file line by line. Normally getline is used to filter out delimite...

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sachin_mundhra

 Profile Answers by sachin_mundhra Questions by sachin_mundhra

• Jan 28th, 2010

Copy Constructor :- This is among one of the default method of class.Base a;Base b = a ; // Here Copy constructor gets called.Here a new instance of class Base will be created and object a data will be copied in object b.Sachin Mundhra

Raju

• Mar 20th, 2007

Copy Constructor uses class name as reference .., it is used to declare and Initialize an object from another object. i.e It is used to create a new object from existing object of same class.

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michaelpyles  

 Profile Answers by michaelpyles Questions by michaelpyles

• Member Since Dec-2007 | Dec 29th, 2007

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Proper inheritance occurs when the derived class "IS A" specialized type of the base class.  Example Cat IS A Animal.
Improper inheritance occurs when a class is inherited from merely for code reuse, without having any other relationship.  Example Cat Inherits from Engine.  A Cat is not an engine however both an engine and a cat purr. 

yzesong

 Profile Answers by yzesong Questions by yzesong

• Jul 31st, 2009

As long as no diamond problems (improper inheritance),  single or multiple inheritance can all be proper inheritance. When usng multiple inheritance with diamond problem, you can use virtual inheritance to make the multiple inheritance a proper one.

michaelpyles

 Profile Answers by michaelpyles Questions by michaelpyles

• Dec 29th, 2007

Proper inheritance occurs when the derived class "IS A" specialized type of the base class.  Example Cat IS A Animal. Improper inheritance occurs when a class is inherited from merely f...

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sonal kumar

 Profile Answers by sonal kumar Questions by sonal kumar

• Oct 12th, 2010

Resource Acquisition is Initialisation or shortly RAII is a term closely connected with exception handling and automatic garbage collection(speaking loosely). RAII is defined as the technique of per...

vidhudatta

 Profile Answers by vidhudatta Questions by vidhudatta

• Sep 23rd, 2009

It is the technique of performing all the necessary resource allocation in constructor only and all the cleanind in the destructor.

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sivakumar.v

 Profile Answers by sivakumar.v Questions by sivakumar.v

• Jul 3rd, 2008

Hi, for the above answer, i am little bit disagreeing, like VECTOR is UNIDIRECTIONAL ?? what does that mean ?? exactly, you mean to say that we cannot have multidimensional vectors ?? if that is ...

bhradwj

• Apr 4th, 2006

The main difference between vector and array isAlways vector is represented as uni-dimensional (ie., one dimensional) but whereas Array can be represented by both one-dimensional as well as two dimensional.Thanks....

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Biju Nair

• Jun 29th, 2006

A variable declared in one file can be used in another file by declaring it as extern in the second file.

mohit12379

 Profile Answers by mohit12379 Questions by mohit12379

• Apr 20th, 2006

Neither there is a concept  of auto static var and Nor a auto extern varibales because auto var are local variable whose lifetime is within a block and located on stack area . Process w...

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aparna

• Oct 11th, 2006

The code mentioned would give errors while compiling. But when i have done some minor modifications to successfully compile the code, I was surprised to c that this code works fine.Later i had to come...

jayq

• Sep 17th, 2006

The program you supplied has many type'o's so it will output only compile time errors.However if you fix the syntax, there'll be no controversy in this source : it ALWAYS outputs : its in main program...

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smart_coder

 Profile Answers by smart_coder Questions by smart_coder

• Jan 25th, 2007

Object file is the representation of code that a compiler generates by processing a source code file. Object files contain compact code, often called "binaries". A linker is used to generate an execut...

divya

• Dec 22nd, 2006

I guess it contain stsrtup code assembly instruction which used by compiler to compile the code

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Ashish

• Jan 7th, 2007

include<iostream>#include<fstream>using namespace std;int main(){             fstream *obj = new fstream();    &n...

Jayashree

• Jul 26th, 2006

#include "stdafx.h"#include "string.h"#include "process.h"int main(int argc, char* argv[]){ char cmd[125]; strcpy(cmd, "type "); strcat(cmd, __FILE__); system(cmd); return 0;}

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praveennext

 Profile Answers by praveennext Questions by praveennext

• Jan 3rd, 2007

depends on the requirement. if you got fixed no of arguments like,sum(int, int)sum(float, float) .. go for Templates.If you have variable arguments and you know the data types, then make use of va_lis...

satyam

• Dec 18th, 2006

To some extent this can be achieved by using default arguments for the func. But this also depends what all parameters you need to pass in different cases.

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yzesong

 Profile Answers by yzesong Questions by yzesong

• Jul 31st, 2009

In order to avoid operator ambiguity , :?, ::, . operators are not overloaded.?

Amritanshu Agrawal

• Sep 5th, 2006

Hi all,Firstof all only .,:: and .* operators never be overladed.Because They take name, rather than a value,as their socound operand and provide the primary means of reffering to members.Allowing them to be overloaded would lead to subtlety.

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sravan

• Nov 18th, 2006

a 3-d array is collection 2-d arrays as rows.ex: a[2][3][4] means 'a' contains two 2-d arrays of each size [3][4].first subscript 2 indicates that 'a' contains two arrays which have 3-rows and 4-coloumns.

hanuman

• Nov 13th, 2006

let us take an example     main(){int a[2][2][2];int i,j,k;for(i=0;i<2;i++)  for(j=0;j<2;j++)      for(k=0;k<2;k++)    &n...

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vikaspachauri

 Profile Answers by vikaspachauri Questions by vikaspachauri

• Jun 13th, 2007

I think to convert one class object to other can only be done either by using operator overloading of assignment operator or by creating a function which can assign the values of diffrent varaibles explicitly.

Madhurgeek

 Profile Answers by Madhurgeek Questions by Madhurgeek

• May 28th, 2007

This can be done through pointers like A *a1 and B *b1 ok. Then you have to assigh some value  to *a1 and *b1 but remember with the use valueat sign(*). Now your task is to convert the objec...

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timyan128

 Profile Answers by timyan128 Questions by timyan128

• Feb 5th, 2009

We can also use preprocessor #pregma pack(1)

dasam

 Profile Answers by dasam Questions by dasam

• Mar 29th, 2007

To avoid the problems with structure padding, you can use __attribute__((  xxxx  ))

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Why Binary Search Algorithm is a device and conquer based algorithm?

mayankjain477

 Profile Answers by mayankjain477 Questions by mayankjain477

• Sep 21st, 2010

Binary search algorithm is divide and conquer because in this algorithm, we simply reduces the size of search interval to half in each successive iteration by simply compares the mid value to the key...

ManiCPP

 Profile Answers by ManiCPP Questions by ManiCPP

• Apr 2nd, 2010

You probably meant 'Divide and Conquer'. This means you can recursively split your problem into smaller problems of the same type, until you reach a stage where you can solve your problem dire...

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