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  1. #include <iostream>
  2. #include <iomanip>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	double pi = 3.14159265358979;
  8. 	cout << std::setprecision(32) << pi << endl;
  9.  
  10. 	char buffer3[32];
  11. 	sprintf(buffer3, "%.20f", pi);
  12. 	cout << buffer3;
  13.  
  14. 	return 0;
  15. }
Success #stdin #stdout 0.01s 5328KB
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stdin
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Standard input is empty
stdout
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3.1415926535897900073734945181059
3.14159265358979000737
https://ideone.com/c4PF5y
language:
C++ (gcc 8.3)
created:
86 days ago
visibility:
secret

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