C program to binary to decimal conversion

C program to binary to decimal conversion

Output:

Enter the binary: 1010
The decimal of given binary 1010 is 10

Implementation:

#include <stdio.h> #include <stdlib.h> #include <math.h> #define MAX 1000000 int main(void) { char s[MAX]; int i,k; int sum=0; printf("Enter the binary:\n"); scanf("%s",s); k=0; for(i=strlen(s)-1;i>=0;i--) { sum += (((int)(s[i]-'0')) * pow(2,k)); k++; } printf("The decimal of given binary %s is %d",s,sum); return 0; }