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  1. #include <stdio.h>
  2. int main() {
  3. int i,j;
  4. int sum=0;
  5. scanf("%d",&i);
  6. scanf("%d",&j);
  7. for (;i<=j;i++){
  8. sum=sum+i;
  9.  
  10. }
  11. printf("%d",&sum);
  12. }
Success #stdin #stdout 0s 5304KB
stdin
11 
21
stdout
-1020963548