Compilare: main.cpp: In function 'void Lee(int, int, int)': main.cpp:41:42: warning: array subscript has type 'char' [-Wchar-subscripts] if(aux[ma[iv][jv]]==0) ^ main.cpp:43:43: warning: array subscript has type 'char' [-Wchar-subscripts] aux[ma[iv][jv]]=1; ^ main.cpp:45:41: warning: array subscript has type 'char' [-Wchar-subscripts] v[ma[iv][jv]].push_back(nr); ^ main.cpp: In function 'void dfs(int, int, int)': main.cpp:56:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~