Compilare: main.cpp: In function 'int MajorityQuery()': main.cpp:48:17: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::mapped_type' {aka 'int'} and '__gnu_pbds::detail::bin_search_tree_set<int, __gnu_pbds::null_type, std::less_equal<int>, __gnu_pbds::detail::tree_traits<int, __gnu_pbds::null_type, std::less_equal<int>, __gnu_pbds::tree_order_statistics_node_update, __gnu_pbds::rb_tree_tag, std::allocator<char> >, std::allocator<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | if(freq[value] > DS.size() / 2) {