运行 ID: 109425

Main.cc: In function ‘double gcd(double, double)’:
Main.cc:6:25: error: too few arguments to function ‘double gcd(double, double)’
  if (x>y) return gcd(x-y);
                         ^
Main.cc:3:8: note: declared here
 double gcd(double x,double y)
        ^~~
Main.cc:7:25: error: too few arguments to function ‘double gcd(double, double)’
  if (x