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  1. #include <iostream>
  2. #include <sstream>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	stringstream convertor;
  7. 	int result = -1;
  8.     convertor << std::noskipws << "";
  9.     convertor >> result;
  10.  
  11.     if (convertor.fail() || convertor.eof() == false)
  12.     	result = -1;
  13.  
  14.     cout << "Result [" << result << "]" << endl;
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 5280KB
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stdin
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Standard input is empty
stdout
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Result [-1]
https://ideone.com/PXN9YF
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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