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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n,P,S;
  6. 	while(cin >> n){
  7. 		P = 4*n;
  8. 		S = n*n;
  9. 		cout << P << " " << S <<"\n";
  10. 	}
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 4480KB
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https://ideone.com/5R6RJU
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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