Compilare: user.cpp: In function ‘void tinsert(Trie*, char*, int)’: user.cpp:41:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nod->fiu[*s]==0) ^ user.cpp:43:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] nod->fiu[*s]=new Trie; ^ user.cpp:46:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] tinsert(nod->fiu[*s], s+1, poz+1); ^ user.cpp:47:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nod->fiu[b[*s]]==0) ^ user.cpp:49:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] nod->fiu[b[*s]]=new Trie; ^ user.cpp:52:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] tadd(nod->fiu[b[*s]]); ^