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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6.  
  7. 	vector<int> dp(100000);
  8.  
  9. 	int n;
  10.  
  11. 	cin >> n;
  12.  
  13. 	dp[0] = n;
  14.  
  15. 	for (int i = 1; i < 100000; i++) {
  16. 		dp[i] = i + dp[i - 1];
  17. 	}
  18.  
  19. 	cout << dp[100000 - 1] << endl;
  20.  
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 3464KB
comments (?)
stdin 
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stdout 
704982714
https://ideone.com/TJIncb
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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