C Programming Solved Problems Let us C Yashwant Kanitkar Chapter 2
Q: (a) If a five-digit number is input through the keyboard, write a
program to calculate the sum of its digits. (Hint: Use the modulus
operator ‘%’)
#include <stdio.h>
int main()
{
long int n;
int s=0,r;
printf("Enter Number\n");
scanf("%ld",&n);
while(n>0)
{
r=n%10;
s=s+r;
n=n/10;
}
printf("Sum of Digits is %d",s);
return 0;
}
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