Monday, July 2, 2018

C program to generate graycode

    /*

     * C Program to Convert Binary Code of a Number into its Equivalent

     * Gray's Code without using Recursion

     */

    #include <stdio.h>

    #include <math.h>



    int bintogray(int);



    int main ()

    {

        int bin, gray;



        printf("Enter a binary number: ");

        scanf("%d", &bin);

        gray = bintogray(bin);

        printf("The gray code of %d is %d\n", bin, gray);

        return 0;

    }



    int bintogray(int bin)

    {

        int a, b, result = 0, i = 0;



        while (bin != 0)

        {

            a = bin % 10;

            bin = bin / 10;

            b = bin % 10;

            if ((a && !b) || (!a && b))

            {

                result = result + pow(10, i);

            }

            i++;

        }

        return result;

    }

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