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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	double a;
  7. 	cin >> a;
  8. 	cout << (a <= 0 ? 0 : a <= 1 ? a * a - 1 : a * a - sin(M_PI * a * a)) << endl;
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 3464KB
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https://ideone.com/W1BJ9b
A57г
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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