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  1. #include <iostream>
  2. #include <typeinfo>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. #define print_type(X) cout << "Type of " #X " is " << typeid(X).name() << endl
  8. 	print_type(double);
  9. 	print_type(float);
  10. 	print_type(3.5);
  11. 	print_type(3.5f);
  12. }
Success #stdin #stdout 0s 4380KB
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stdin
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Standard input is empty
stdout
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Type of double is d
Type of float is f
Type of 3.5 is d
Type of 3.5f is f
https://ideone.com/fT1Jkl
language:
C++14 (clang 8.0)
created:
5 years ago
visibility:
public

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