From Decimal to Binary

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C++

How I can convert from decimal to binary in c++ ?

Posted 16-Mar-13 12:00pm

Amr Nady

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Matthew Faithfull 16-Mar-13 18:19pm

You're going to have to be a little more specific. Any number used in C++, decimal or otherwise is already being represented in binary to exist on a binary computer in the first place so no conversion as such is necessary. Do you want a std::string with the 1's and 0's in or something else?

Captain Price 17-Mar-13 8:02am

my 5

Sergey Alexandrovich Kryukov 19-Mar-13 22:07pm

Despite two answers, I still don't understand the question. A number cannot be "decimal" or "binary". Everything is binary. "Decimal" can only be a string.
So, you might ask about string representation of some numeric value, such as "1010101100010". You should understand that this is a string.
—SA

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Mike Meinz · Answer 1 · 2013-03-16T14:45:00

I searched using search text: convert decimal to binary string, I found a couple examples that should give you some help to write your conversion program.

Using .NET Framework method
Convert.ToString Method (Int16, Int32)[^]

int number=63;
Console.WriteLine(Convert.ToString(number, 2)); // Convert number to Base 2 string

Using an algorithm
How to Convert a Decimal Number to a Binary Number in a String[^]. You'll have to convert the syntax from VB to C++.
Decimal to Binary Example Program[^]
Decimal to Binary Source Code[^]. A previously answered CodeProject.com question. See Solution 1.

Manfred Rudolf Bihy · Answer 2 · 2013-03-16T14:27:00

Solution 1

Google broken again? ;)

Works well for me right now, so I'll share: Decimal to Binary.

Regards,

— Manfred

Posted 16-Mar-13 14:27pm

Manfred Rudolf Bihy