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  1. #include<stdio.h>
  2.  
  3.  
  4.  
  5. int main() {
  6. 	int first, last, sum, num;
  7. 	//printf ("Enter 4 digit number");
  8. 	scanf ("%d",&num);
  9.  
  10. 	last=num%10;
  11. 	while(num/10)
  12. 	{
  13. 		first=num/10;
  14. 		num = num/10;
  15. 	}
  16.  
  17. 	sum=first+last;
  18. 	printf("sum of first and last digits = %d", sum);
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 2160KB
comments (?)
stdin 
23578
stdout 
sum of first and last digits = 10
https://ideone.com/f58vV4
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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