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  1.  
  2. #include <iostream>
  3. #include<string>
  4.  
  5.  
  6.  struct Frac {
  7.            unsigned long  frac;
  8.            unsigned long exp;
  9.    friend std::istream& operator >>(std::istream& is, Frac &f)
  10.    {
  11.       std::string s;
  12.       is >> s;
  13.       std::size_t n = s.find(".");
  14.  
  15.       if (n != std::string::npos)
  16.       {
  17.          f.frac = std::atoll(s.substr(0,n).c_str());
  18.          f.exp = std::atoll(s.substr(n+1).c_str());
  19.       }
  20.       else
  21.       {
  22.          f.frac = std::atoi(s.c_str());
  23.          f.exp  = 0 ;
  24.       }
  25.    }
  26. };
  27.  
  28. int main()
  29. {
  30.   Frac f;
  31.  
  32.   std::cin>>f;
  33.  
  34.   std::cout << f.frac <<" "<< f.exp;
  35. }
  36.  
  37.  
  38.  
Success #stdin #stdout 0s 3476KB
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https://ideone.com/7AkRs6
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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