Compilare: main.cpp: In function 'void Bfs(int)': main.cpp:26:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | if(poz+1<s.size() && minv[poz+1]>val+1) | ~~~~~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:23: warning: array subscript has type 'char' [-Wchar-subscripts] 47 | pozv[i]=v[s[i]]; | ^ main.cpp:48:15: warning: array subscript has type 'char' [-Wchar-subscripts] 48 | v[s[i]]=i; | ^