/in/foo.cc: In member function 'bool CDtime::isLeap()':
/in/foo.cc:11:53: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   11 |         bool isLeap() {return year%400==0||year%4==0&&year%100!=0;}
      |                                            ~~~~~~~~~^~~~~~~~~~~~~
/in/foo.cc: In member function 'bool CDtime::isLeap(int)':
/in/foo.cc:12:61: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   12 |         bool isLeap(int year) {return year%400==0||year%4==0&&year%100!=0;}
      |                                                    ~~~~~~~~~^~~~~~~~~~~~~