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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	double x;
  7. 	cin >> x;
  8. 	if (x < 0){
  9. 		cout << 0;
  10. 	}else if ((int)x % 2 == 0 || x < (int)x / 2 + 1){
  11. 		cout << 1;
  12. 	}else{
  13. 		cout << -1;
  14. 	}
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/K1I8Dd
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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