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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a;
  5. 	int i;
  6. 	int b;
  7. 	int c=0;
  8. 	scanf ("%d" ,&a);
  9. 	scanf ("%d" ,&b);
  10.  
  11. 	if(a<b){
  12. for(i=a;i<=b;i++){
  13. 	c+=i;
  14. }	printf("%d",c);
  15.  
  16. }
  17. 	else{
  18. for(i=b;i<=a;i++){
  19. 	c+=i;
  20. }	printf("%d",c);
  21.  
  22. }
  23. 	// your code goes here
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0s 5288KB
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6
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stdout
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18
https://ideone.com/GtswcZ
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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