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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. // your code goes here
  5. int i,z,o,sum=0;
  6. scanf("%d",&i);
  7. scanf("%d",&z);
  8. o=i;
  9. if(i<=z)
  10. {for(;o<=z;o++)
  11. sum=sum+o;
  12. printf("%d#",sum);}
  13. if(z<i)
  14. {for(;z<=i;z++)
  15. sum=sum+z;
  16. printf("%d",sum);}
  17. return 0;
  18. }
Success #stdin #stdout 0s 5280KB
stdin
6 2
stdout
20