Q:

Ruby program to convert the decimal number to binary using recursion

belongs to collection: Ruby User-defined Functions Programs

YasminRadwan26
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2022-07-21
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In this program, we will read an integer number from the user and get the equivalent binary number using recursion.

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YasminRadwan26
2022-07-21
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Program/Source Code:

The source code to convert the decimal number to binary using recursion is given below. The given program is compiled and executed successfully.

# Ruby program to convert the decimal number 
# to binary using recursion

def dec2bin(num)
    if num == 0
        return 0;
    else
        return num % 2 + 10 * dec2bin(num / 2);
    end
end

print "Enter number: ";
number = gets.chomp.to_i;  

result = dec2bin(number);

print "Binary equivalent is: ",result;

Output:

Enter number: 8
Binary equivalent is: 1000

Explanation:

In the above program, we read an integer number from the user. Then we converted the given decimal number to the binary using recursive function dec2bin(). Then we printed the result.

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