Compilare: main.cpp: In member function 'void AIB::update(int, int)': main.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(i = x; i< aib.size(); i+=lsb(i)) | ~^~~~~~~~~~~~ main.cpp: In member function 'long long int AIB::query(int)': main.cpp:31:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | if(x >= aib.size())return -1; | ~~^~~~~~~~~~~~~ main.cpp:32:13: warning: unused variable 'i' [-Wunused-variable] 32 | int i; | ^ main.cpp: In member function 'int AIB::cbin(long long int)': main.cpp:46:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | if(ans+pas >= aib.size()){continue;} | ~~~~~~~~^~~~~~~~~~~~~