/* C program to convert the given binary number into decimal */

#include <stdio.h>

void main()
{
int   num, bnum, dec = 0, base = 1, rem ;

printf(“Enter a binary number(1s and 0s)\n”);
scanf(“%d”, &num);           /*maximum five digits */

bnum = num;

while( num > 0)
{
rem = num % 10;
dec = dec + rem * base;
num = num / 10 ;
base = base * 2;
}

printf(“The Binary number is = %d\n”, bnum);
printf(“Its decimal equivalent is =%d\n”, dec);

}             /* End of main() */

/*———————————————
Output
Enter a binary number(1s and 0s)
10101
The Binary number is = 10101
Its decimal equivalent is =21
———————————————-*/

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