Write a function that return sum of all the odd digits of a given positive no entered through keyboard.

 Code:-

#include<stdio.h>

// function for add digits

int Add_odd(int n)

{

int r,sum=0;

while(n!=0)

{

r=n%10;

if(r%2!=0)

sum=sum+r;

n=n/10;

}

return sum;

}

//Driver function

int main()

{

int n;

printf("Enter a number\n");

scanf("%d",&n);

printf("Sum of all the odd digits is: %d",Add_odd(n));

return 0;

}

Output:-

Enter a number

4567

Sum of all odd digits is: 12