combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:9:8: error: 'press' was not declared in this scope
9 | if(press(s1)) koji+=2;
| ^~~~~
combo.cpp:10:8: error: 'press' was not declared in this scope
10 | if(press(s2)) koji+=1;
| ^~~~~
combo.cpp:18:15: error: 'press' was not declared in this scope
18 | int x=press(t);
| ^~~~~
combo.cpp:24:8: error: 'press' was not declared in this scope
24 | if(press(t1)==N) return t1;
| ^~~~~
combo.cpp:25:8: error: 'press' was not declared in this scope
25 | if(press(t2)==N) return t2;
| ^~~~~