wap to enter a number and sum of first and last digit of the number .

 

#include<stdio.h>

#include<conio.h>

main()

{

  int a,b,n,c,sum=0;

  

  printf("enter the number ");

  scanf("%d",&n);

  a=n%10;

  while(n>9)

  {

  n=n/10;

  }

  b=n%10;

  sum=a+b;

  printf("sum = %d",sum);

}

output :

enter the number 45678 sum = 12