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  1. #include <iostream>
  2. #include <iomanip>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. const double x = 9'007'199'254'740'993.0;
  8.  
  9. cout << fixed << x << endl;
  10. }
Success #stdin #stdout 0s 3468KB
stdin
Standard input is empty
stdout
9007199254740992.000000