Compilare: main.cpp: In function 'void init(trie*, int, int)': main.cpp:39:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == c[ind].size()) ~~^~~~~~~~~~~~~~~~ main.cpp:42:28: warning: array subscript has type 'char' [-Wchar-subscripts] if (nod -> f[bij[c[ind][j]]] == NULL) ^ main.cpp:42:29: warning: array subscript has type 'char' [-Wchar-subscripts] if (nod -> f[bij[c[ind][j]]] == NULL) ^ main.cpp:44:25: warning: array subscript has type 'char' [-Wchar-subscripts] nod -> f[bij[c[ind][j]]] = new trie; ^ main.cpp:44:26: warning: array subscript has type 'char' [-Wchar-subscripts] nod -> f[bij[c[ind][j]]] = new trie; ^ main.cpp:45:25: warning: array subscript has type 'char' [-Wchar-subscripts] nod -> f[bij[c[ind][j]]] -> rasp = ind; ^ main.cpp:45:26: warning: array subscript has type 'char' [-Wchar-subscripts] nod -> f[bij[c[ind][j]]] -> rasp = ind; ^ main.cpp:47:30: warning: array subscript has type 'char' [-Wchar-subscripts] init (nod -> f[bij[c[ind][j]]], ind, j+1); ^ main.cpp:47:31: warning: array subscript has type 'char' [-Wchar-subscripts] init (nod -> f[bij[c[ind][j]]], ind, j+1); ^ main.cpp: In function 'void update(trie*, char*, int)': main.cpp:56:28: warning: array subscript has type 'char' [-Wchar-subscripts] update (nod -> f[bij[c[0]]], c+1, ind); ^ main.cpp:56:29: warning: array subscript has type 'char' [-Wchar-subscripts] update (nod -> f[bij[c[0]]], c+1, ind); ^ main.cpp: In function 'int query(trie*, char*)': main.cpp:65:24: warning: array subscript has type 'char' [-Wchar-subscripts] if (nod -> f[bij[c[0]]] == NULL) ^ main.cpp:65:25: warning: array subscript has type 'char' [-Wchar-subscripts] if (nod -> f[bij[c[0]]] == NULL) ^ main.cpp:67:34: warning: array subscript has type 'char' [-Wchar-subscripts] return query (nod -> f[bij[c[0]]], c+1); ^ main.cpp:67:35: warning: array subscript has type 'char' [-Wchar-subscripts] return query (nod -> f[bij[c[0]]], c+1); ^