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  1. #include <iostream>
  2. #include <float.h>
  3. #include <string>
  4. #include <sstream>
  5. using namespace std;
  6.  
  7. inline double convertToDouble(std::string const& s)
  8. {
  9.   std::istringstream i(s);
  10.   double x;
  11.   if (!(i >> x)){
  12.     //throw BadConversion("convertToDouble(\"" + s + "\")");
  13.   }
  14.   return x;
  15. }
  16.  
  17. size_t jakDlugiDouble() {
  18. 	string sDouble = to_string(DBL_MAX);
  19. 	return sDouble.size();
  20. }
  21.  
  22.  
  23. double czyLiczba () {
  24.   string sLiczba = "";
  25.   cin >> sLiczba;
  26.   if (sLiczba.size() > jakDlugiDouble()) {
  27.   	//throw TooLongNumber("convertToDouble(\"" + s + "\")");
  28.   }
  29.   return convertToDouble(sLiczba);
  30. }
  31.  
  32.  
  33. int main() {
  34. 	double liczba = czyLiczba();
  35. 	cout << liczba;
  36.  
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 3436KB
comments (?)
stdin
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1000000.2002
stdout
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1e+06
https://ideone.com/B4MGju
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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