Compilare: main.cpp: In member function 'void ahoCorasick::buildAutomata()': main.cpp:33:27: warning: array subscript has type 'char' [-Wchar-subscripts] if(root->nxt[i]!=nullptr) ^ main.cpp:36:28: warning: array subscript has type 'char' [-Wchar-subscripts] root->nxt[i]=root; ^ main.cpp:42:52: warning: array subscript has type 'char' [-Wchar-subscripts] aCNode * nNow=per.first->nxt[per.second]; ^ main.cpp:44:89: warning: array subscript has type 'char' [-Wchar-subscripts] nNow->backRef = (per.first==root ? root : per.first->backRef->nxt[per.second]); ^ main.cpp:49:31: warning: array subscript has type 'char' [-Wchar-subscripts] if(nNow->nxt[i]!=nullptr) ^ main.cpp:52:32: warning: array subscript has type 'char' [-Wchar-subscripts] nNow->nxt[i] = nNow->backRef->nxt[i]; ^ main.cpp:52:56: warning: array subscript has type 'char' [-Wchar-subscripts] nNow->nxt[i] = nNow->backRef->nxt[i]; ^