/in/foo.cc:24:24: error: 'intm' has not been declared
   24 |         int pass(int y,intm,int d){
      |                        ^~~~
/in/foo.cc: In member function 'bool Date::isLeap(int)':
/in/foo.cc:9:38: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    9 |             return (y%400==0)||y%4==0&&y%100!=0);
      |                                ~~~~~~^~~~~~~~~~
/in/foo.cc:9:48: error: expected ';' before ')' token
    9 |             return (y%400==0)||y%4==0&&y%100!=0);
      |                                                ^
/in/foo.cc:9:48: error: expected primary-expression before ')' token
/in/foo.cc: In constructor 'Date::Date(int, int, int)':
/in/foo.cc:17:50: error: expected identifier before 'int'
   17 |         Date(int y,int m,int d):year(y),month(m),int day(d){}
      |                                                  ^~~
/in/foo.cc:17:50: error: expected '{' before 'int'
/in/foo.cc: In member function 'void Date::print()':
/in/foo.cc:19:29: error: unable to find string literal operator 'operator""month' with 'const char [2]', 'long unsigned int' arguments
   19 |                 cout<<year<<" "month<<" "day;
      |                             ^~~~~~~~
/in/foo.cc:19:39: error: unable to find string literal operator 'operator""day' with 'const char [2]', 'long unsigned int' arguments
   19 |                 cout<<year<<" "month<<" "day;
      |                                       ^~~~~~
/in/foo.cc: In member function 'int Date::pass(int, int, int)':
/in/foo.cc:26:31: error: 'm' was not declared in this scope; did you mean 'tm'?
   26 |                 for(int i=1;i<m;i++){
      |                               ^
      |                               tm
/in/foo.cc: In member function 'int Date::difference(Date&)':
/in/foo.cc:32:29: error: no matching function for call to 'Date::pass()'
   32 |                 int num=pass();
      |                         ~~~~^~
/in/foo.cc:24:13: note: candidate: 'int Date::pass(int, int, int)'
   24 |         int pass(int y,intm,int d){
      |             ^~~~
/in/foo.cc:24:13: note:   candidate expects 3 arguments, 0 provided
/in/foo.cc:33:43: error: 'y' was not declared in this scope
   33 |                 for(int i=year-1;i>d.year;y--){
      |                                           ^
/in/foo.cc:36:31: error: no matching function for call to 'Date::YearDay()'
   36 |                 num+=d.YearDay()-d.pass();
      |                      ~~~~~~~~~^~
/in/foo.cc:21:13: note: candidate: 'int Date::YearDay(int)'
   21 |         int YearDay(int y){
      |             ^~~~~~~
/in/foo.cc:21:13: note:   candidate expects 1 argument, 0 provided
/in/foo.cc:36:40: error: no matching function for call to 'Date::pass()'
   36 |                 num+=d.YearDay()-d.pass();
      |                                  ~~~~~~^~
/in/foo.cc:24:13: note: candidate: 'int Date::pass(int, int, int)'
   24 |         int pass(int y,intm,int d){
      |             ^~~~
/in/foo.cc:24:13: note:   candidate expects 3 arguments, 0 provided
/in/foo.cc: In function 'int main()':
/in/foo.cc:43:26: error: found ':' in nested-name-specifier, expected '::'
   43 |         cin>>y2>>m2>>day2:
      |                          ^
      |                          ::
/in/foo.cc:43:22: error: 'day2' is not a class, namespace, or enumeration
   43 |         cin>>y2>>m2>>day2:
      |                      ^~~~
/in/foo.cc:46:29: error: 'd1' was not declared in this scope; did you mean 'd2'?
   46 |         cout<<d2.difference(d1)<<end;
      |                             ^~
      |                             d2