program in c to binary number to a decimal number

program in c to binary number to a decimal number

#include<stdio.h>

#include<conio.h>

#include<math.h>

main()

{

long int n,res=0,i=0;

clrscr();

printf(“ enter the binary digit “);

scanf(“%d”,&n);

for(;n>0;)

{

r=n%10;

res+=r*pow(2,i);

i++;

n=n/10;

}

printf(“decimal equivalent is %d”, res);

return 0;

}

output:

enter binary digit:111

decimal equivalent is:7