/in/foo.cc: In member function 'bool Date::isLeap(int)':
/in/foo.cc:12:41: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   12 |                 return y%400==0||y%4==0 && y%100==0;
      |                                  ~~~~~~~^~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:54:31: error: no matching function for call to 'Date::Date(int&, int&, int&, int&, int&, int&)'
   54 |     Date dt(y, m, d, h, min, s);
      |                               ^
/in/foo.cc:20:9: note: candidate: 'Date::Date(int, int, int)'
   20 |         Date(int y,int m,int d):year(y),month(m),day(d){}
      |         ^~~~
/in/foo.cc:20:9: note:   candidate expects 3 arguments, 6 provided
/in/foo.cc:3:7: note: candidate: 'constexpr Date::Date(const Date&)'
    3 | class Date{
      |       ^~~~
/in/foo.cc:3:7: note:   candidate expects 1 argument, 6 provided
/in/foo.cc:3:7: note: candidate: 'constexpr Date::Date(Date&&)'
/in/foo.cc:3:7: note:   candidate expects 1 argument, 6 provided