Eroare de compilare: main.cpp: In member function 'void AIB::update(int, int)': main.cpp:18:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int i = x; i < aib.size(); i += lsb(i)) { | ~~^~~~~~~~~~~~ main.cpp:18:46: error: 'lsb' was not declared in this scope 18 | for (int i = x; i < aib.size(); i += lsb(i)) { | ^~~ main.cpp: In member function 'long long int AIB::query(int)': main.cpp:26:37: error: 'lsb' was not declared in this scope 26 | for (int i = x; i > 0; i -= lsb(i)) { | ^~~ Non zero exit status: 1