Compilare: main.cpp: In function 'void aib::add(int, int)': main.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for (; poz < m_storage.size(); poz += poz & (-poz)) | ~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'std::pair<int, int> aib::under_upper(int)': main.cpp:42:18: warning: comparison of integer expressions of different signedness: 'const int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | if (pretender < m_storage.size() && sum + m_storage[pretender] <= target) { | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:106:9: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 106 | auto [got, poz] = aib::under_upper(sum); | ^