Compilare: main.cpp: In function 'void Trie::insert(Trie::ts, char*)': main.cpp:22:21: warning: array subscript has type 'char' [-Wchar-subscripts] 22 | if(node -> v[s[0]] == 0) | ~~~^ main.cpp:23:36: warning: array subscript has type 'char' [-Wchar-subscripts] 23 | node -> ends++, node -> v[s[0]] = new Trie; | ~~~^ main.cpp:24:25: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | insert(node -> v[s[0]], s + 1); | ~~~^ main.cpp: In function 'bool Trie::erase(Trie::ts, char*)': main.cpp:30:32: warning: array subscript has type 'char' [-Wchar-subscripts] 30 | else if(erase(node -> v[s[0]], s + 1)) { | ~~~^ main.cpp:32:20: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | node -> v[s[0]] = 0; | ~~~^ main.cpp: In function 'int Trie::query(Trie::ts, char*)': main.cpp:43:21: warning: array subscript has type 'char' [-Wchar-subscripts] 43 | if(node -> v[s[0]] != 0) | ~~~^ main.cpp:44:33: warning: array subscript has type 'char' [-Wchar-subscripts] 44 | return query(node -> v[s[0]], s + 1); | ~~~^ main.cpp: In function 'void Trie::lcp(Trie::ts, char*)': main.cpp:52:21: warning: array subscript has type 'char' [-Wchar-subscripts] 52 | if(node -> v[s[0]]) | ~~~^ main.cpp:53:24: warning: array subscript has type 'char' [-Wchar-subscripts] 53 | lcp(node -> v[s[0]], s + 1); | ~~~^