Compilare: main.cpp: In function 'void update(long long int, long long int)': main.cpp:18:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=poz; i<=a.size(); i += lsb(i)) | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:49:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int i=0; i<b.size(); i++) | ~^~~~~~~~~ main.cpp:56:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(int i=0; i<b.size(); i++) | ~^~~~~~~~~ main.cpp:64:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=0; i<a.size(); i++) | ~^~~~~~~~~ main.cpp:72:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i=0; i<fin.size(); i++) | ~^~~~~~~~~~~