Compilare: main.cpp: In function 'void insert(Trie*, std::string)': main.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i = 0; i < s.length(); i++) | ~~^~~~~~~~~~~~ main.cpp: In function 'int search(Trie*, int, int)': main.cpp:41:9: warning: unused variable 'maxim' [-Wunused-variable] 41 | int maxim = 0, cnt = 0; | ^~~~~ main.cpp: In function 'int main()': main.cpp:102:16: warning: unused variable 'k' [-Wunused-variable] 102 | int t, k = 0, maxim = 0, ind, lungime; string s; | ^