implementer.cpp:8:8: warning: inline variables are only available with ‘-std=c++17’ or ‘-std=gnu++17’
    8 | static inline constexpr int kMaxQueries = 40000;
      |        ^~~~~~
answer.code: In function ‘int press_button()’:
answer.code:20:1: warning: no return statement in function returning non-void [-Wreturn-type]
   20 | }
      | ^
answer.code: In function ‘int min_cardinality(int)’:
answer.code:38:53: error: too many arguments to function ‘void move_outside()’
   38 |                                         move_outside(i);
      |                                         ~~~~~~~~~~~~^~~
answer.code:14:6: note: declared here
   14 | void move_outside() {
      |      ^~~~~~~~~~~~