password.cpp: In function 'std::string guess(long long int, long long int)':
password.cpp:29:9: warning: array subscript has type 'char' [-Wchar-subscripts]
29 | cnt[c]=query(s);
| ^
password.cpp:34:16: warning: array subscript has type 'char' [-Wchar-subscripts]
34 | if(cnt[c1]==0){continue;}
| ^~
password.cpp:37:22: warning: array subscript has type 'char' [-Wchar-subscripts]
37 | if( (cnt[c2]==0) || c2==c1){
| ^~
password.cpp:44:27: warning: array subscript has type 'char' [-Wchar-subscripts]
44 | if(ac<cnt[c2]){
| ^~
password.cpp:50:13: warning: array subscript has type 'char' [-Wchar-subscripts]
50 | cnt[c1]--;
| ^~
/tmp/ccPHF1bN.o: In function `main':
grader.cpp:(.text.startup+0x5f): undefined reference to `guess[abi:cxx11](int, int)'
collect2: error: ld returned 1 exit status