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  1. #include<stdio.h>
  2. #include<math.h>
  3. int main()
  4. {
  5. int i,s,n;
  6. s=0;
  7. i=1;
  8. scanf("%d",&n);
  9. do
  10. {
  11. s=s+i;
  12. i++;
  13. }
  14. while(i<=n);
  15. printf("%d",s);
  16. return 0;
  17. }
Success #stdin #stdout 0s 5456KB
comments (?)
stdin 
3
stdout 
6
https://ideone.com/EKQPXU
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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