C program to calculate sum of first and last digit

C program to calculate sum of first and last digit

Output:

Enter the number to find sum of first & last digit of the number: 1234
The sum of first & last digits in 1234 is 5

Implementation:

#include <stdio.h> int main(void) { int n; int sum=0; int flag=1; int last=0; int copy; printf("Enter the number to find sum of first & last digit of the number:\n"); scanf("%d",&n); copy=n; while(n) { if(flag) { sum += (n%10); flag=0; } else { last=(n%10); } n/=10; } printf("The sum of first & last digits in %d is %d",copy,(sum+last)); return 0; }