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  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {
  5. 	float pole, promien;
  6.  
  7. 	promien = 1.7;
  8. 	pole = promien * promien * 3.14;
  9. 	cout << "\nPola kola o promieniu "
  10. 		<< promien << " wynosi " << pole;
  11. 	cout << "Podaj promień kola: " << endl;
  12. 	cin >> promien;
  13. 	pole = promien * promien * 3.14;
  14. 	cout << "\nPola kola o promieniu "
  15. 		<< promien << " wynosi " << pole;
  16.  
  17. return 0;	
  18. }
Success #stdin #stdout 0s 5312KB
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stdin
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5
stdout
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Pola kola o promieniu 1.7 wynosi 9.0746Podaj promień kola: 

Pola kola o promieniu 5 wynosi 78.5
https://ideone.com/qlqDMv
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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