Compilare: main.cpp: In member function 'void Trie::insert(std::vector<std::__cxx11::basic_string<char> >, int)': main.cpp:20:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | while(i < s.size() && comp->children.find(s[i]) != comp->children.end()){ | ~~^~~~~~~~~~ main.cpp:25:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | while(i < s.size()){ | ~~^~~~~~~~~~ In file included from /usr/include/c++/12.2.1/istream:39, from /usr/include/c++/12.2.1/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'int main()' at main.cpp:101:21: /usr/include/c++/12.2.1/ostream:206:25: warning: 'ind_min' may be used uninitialized [-Wmaybe-uninitialized] 206 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:74:47: note: 'ind_min' was declared here 74 | unsigned long long temp_max = 0, ind_max, ind_min, max = 0; | ^~~~~~~ In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'int main()' at main.cpp:101:35: /usr/include/c++/12.2.1/ostream:206:25: warning: 'ind_max' may be used uninitialized [-Wmaybe-uninitialized] 206 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:74:38: note: 'ind_max' was declared here 74 | unsigned long long temp_max = 0, ind_max, ind_min, max = 0; | ^~~~~~~