Compilare: main.cpp: In function 'void dfs(std::string)': main.cpp:16:26: warning: array subscript has type 'char' [-Wchar-subscripts] 16 | for (auto it : G[nod]){ | ^~~ main.cpp:25:15: warning: array subscript has type 'char' [-Wchar-subscripts] 25 | G[nod].push_back(c[cnt]); | ^~~ main.cpp:26:21: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | nod = G[nod].back(); | ^~~