Compilare: main.cpp: In function 'void trie_insert(trie*, char*, int)': main.cpp:83:19: warning: array subscript has type 'char' [-Wchar-subscripts] 83 | if (node -> e[*bit] == NULL) | ^~~~ main.cpp:84:19: warning: array subscript has type 'char' [-Wchar-subscripts] 84 | node -> e[*bit] = new trie(); | ^~~~ main.cpp:85:27: warning: array subscript has type 'char' [-Wchar-subscripts] 85 | trie_insert(node -> e[*bit], bit + 1, ind); | ^~~~ main.cpp: In function 'std::pair<int, int> trie_runthrough(trie*, int, char*)': main.cpp:97:38: warning: array subscript has type 'char' [-Wchar-subscripts] 97 | return trie_runthrough(node -> e[*bit], depth + 1, bit + 1); | ^~~~ main.cpp: In function 'int main()': main.cpp:61:12: warning: 'res.mytuple::l' may be used uninitialized in this function [-Wmaybe-uninitialized] 61 | fprintf(fout, "%d %d %d", res.mx, res.f + 2, res.l + 1); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:61:12: warning: 'res.mytuple::f' may be used uninitialized in this function [-Wmaybe-uninitialized]