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  1. #include <iostream>
  2. #include <cstdlib>
  3. using namespace std;
  4. int main()
  5. {
  6. 	int N,i,sum=0;
  7. 	cin >> N;
  8. 	for (i = 1; i <= N; ++i)
  9. 		sum=sum+i;
  10. 	cout << sum;
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 15240KB
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Standard input is empty
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Standard output is empty
https://ideone.com/WMYfMD
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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