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  1. #include <iostream>
  2. #include <sstream>
  3. #include <complex>
  4.  
  5. int main()
  6. {
  7.     std::istringstream buf("67 - 23i");
  8.  
  9.     char minus, i;
  10.     double re, im;
  11.     buf >> re >> minus >> im >> i;
  12.     if(!buf || minus != '-' || i != 'i')
  13.         std::cout << "Parse error\n";
  14.     else
  15.         std::cout << std::complex<double>(re, im) << '\n';
  16. }
  17.  
Success #stdin #stdout 0.02s 2816KB
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stdin
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Standard input is empty
stdout
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(67,23)
https://ideone.com/l084xV
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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