C program to convert a decimal number into binary number using function.

    In this example, we  convert the decimal number entered by the user into binary form. Here, in the out put we have taken a decimal number 20 whose binary  is printed as 10100. You can take other numbers such as 15, 13 78, etc...

PROGRAM TO CONVERT A DECIMAL NUMBER INTO BINARY NUMBER USING FUNCTION.

#include <stdio.h>

#include<conio.h>

int binary(int b);

void main()

{

    int b;

    printf("\nEnter the Number You want to convert : ");

    scanf("%d", &b);

    binary(b);

    getch();

}

int binary(int b)

{

    int a[10], i, j;

    for (i = 0; b > 0; i++)

    {

        a[i] = b % 2;

        b = b / 2;

    }

    printf("\n Binary Number of a Given Number =  ");

    for (j = i - 1; j >= 0; j--)

    {

        printf("%d", a[j]);

    }

    printf("\n");

    return 0;

}

OUTPUT  TO CONVERT A DECIMAL NUMBER INTO BINARY NUMBER USING FUNCTION:

Enter the Number You want to convert : 20

Binary Number of a Given Number =  10100

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