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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int x = (int)1e9;
  6. 	long long sum = 0;
  7. 	for(int i=1; i<=x; i++)
  8. 		sum += i;
  9. 	cout<<sum<<endl;
  10. 	return 0;
  11. }
Success #stdin #stdout 0.72s 3468KB
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stdin
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Standard input is empty
stdout
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500000000500000000
https://ideone.com/1j6xjW
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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