insects.cpp: In function 'int add(int)':
insects.cpp:12:5: error: 'move_inside' was not declared in this scope
12 | move_inside(a);
| ^~~~~~~~~~~
insects.cpp:13:12: error: 'press_buttom' was not declared in this scope
13 | return press_buttom();
| ^~~~~~~~~~~~
insects.cpp: In function 'void sub(int)':
insects.cpp:19:5: error: 'move_outisde' was not declared in this scope
19 | move_outisde(a);
| ^~~~~~~~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:34:18: error: 'n' was not declared in this scope
34 | int lo=1, hi=n/cnt+1;
| ^
insects.cpp:36:9: error: 'mid' was not declared in this scope
36 | mid=(hi+lo)/2;
| ^~~