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  1. #include <cmath>
  2. #include <iostream>
  3.  
  4. using namespace std;
  5.  
  6. template <typename T>
  7. const T PI = std::acos(static_cast<T>(-1));
  8.  
  9. template <typename T>
  10. const T ONE_EIGHTY = 180;
  11.  
  12. template <typename T>
  13. const T DEG_TO_RAD = PI<T> / ONE_EIGHTY<T>;
  14.  
  15. int main() {
  16. cout << DEG_TO_RAD<float> << endl;
  17. }
Success #stdin #stdout 0s 4128KB
stdin
Standard input is empty
stdout
0.0174533