Compilare: main.cpp: In function 'void Insert(Trie*, int)': main.cpp:25:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if(pas == s.size() - 1) { | ~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void Del(Trie*, int)': main.cpp:40:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | if(pas == s.size() - 1) { | ~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for (int j = 0; j < s.size(); j++) | ~~^~~~~~~~~~ main.cpp:65:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for (int j = 0; j < s.size(); j++) | ~~^~~~~~~~~~