combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:11:12: error: 'pSs' was not declared in this scope
11 | if(pSs(string(1, c)) > 0){
| ^~~
combo.cpp:27:9: error: expected initializer before 's2'
27 | s2 += S + s1[0]+ s1[0];
| ^~
combo.cpp:29:9: error: 's2' was not declared in this scope; did you mean 's1'?
29 | s2 += S + s1[0] + s1[1];
| ^~
| s1
combo.cpp:33:20: error: 'pSs' was not declared in this scope
33 | int luis = pSs(s2);
| ^~~
combo.cpp:42:16: error: 'pSs' was not declared in this scope
42 | if(pSs(S + c) == N) {
| ^~~