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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int sum(int N) {
  5. 	if (N > 0) {
  6. 		return N + sum(N - 1);
  7. 	} else {
  8. 		return 0;
  9. 	}
  10. }
  11.  
  12. int main() {
  13. 	cout << sum(100) << endl;
  14. 	return 0;
  15. }
Success #stdin #stdout 0.01s 5532KB
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5050
https://ideone.com/oX91Ll
Recursion: sum.
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
secret

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