Compilare: main.cpp: In function 'void trie_insert(trie*, char*, int)': main.cpp:82:19: warning: array subscript has type 'char' [-Wchar-subscripts] 82 | if (node -> e[*bit] == NULL) | ^~~~ main.cpp:83:19: warning: array subscript has type 'char' [-Wchar-subscripts] 83 | node -> e[*bit] = new trie(); | ^~~~ main.cpp:84:27: warning: array subscript has type 'char' [-Wchar-subscripts] 84 | trie_insert(node -> e[*bit], bit + 1, ind); | ^~~~ main.cpp: In function 'int main()': main.cpp:60:12: warning: 'res.mytuple::l' may be used uninitialized in this function [-Wmaybe-uninitialized] 60 | fprintf(fout, "%d %d %d", res.mx, res.f + 2, res.l + 1); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:60:12: warning: 'res.mytuple::f' may be used uninitialized in this function [-Wmaybe-uninitialized]