Compilare: main.cpp: In function 'void update(trieStr*, long long int)': main.cpp:27:9: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | if(i==str.size()) return; | ~^~~~~~~~~~~~ main.cpp: In function 'long long int query(trieStr*, long long int)': main.cpp:47:1: warning: control reaches end of non-void function [-Wreturn-type] 47 | } | ^