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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. scanf("%d",&n);
  8. do
  9. {
  10. s=s+i;
  11. i++;
  12. }
  13. while(i<=n);
  14. printf("%d",s);
  15. return 0;
  16. }
Success #stdin #stdout 0.01s 5504KB
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https://ideone.com/c62tOX
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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