Eroare de compilare: main.cpp: In function 'int main()': main.cpp:20:53: error: 'pairing_heap_tag' was not declared in this scope vector< __gnu_pbds::priority_queue<int, less<int>, pairing_heap_tag> > q(n + 1); ^~~~~~~~~~~~~~~~ main.cpp:20:53: note: suggested alternative: In file included from /usr/include/c++/6/ext/pb_ds/assoc_container.hpp:46:0, from main.cpp:10: /usr/include/c++/6/ext/pb_ds/tag_and_trait.hpp:174:10: note: '__gnu_pbds::pairing_heap_tag' struct pairing_heap_tag : public priority_queue_tag { }; ^~~~~~~~~~~~~~~~ main.cpp:20:69: error: template argument 3 is invalid vector< __gnu_pbds::priority_queue<int, less<int>, pairing_heap_tag> > q(n + 1); ^ main.cpp:20:71: error: template argument 1 is invalid vector< __gnu_pbds::priority_queue<int, less<int>, pairing_heap_tag> > q(n + 1); ^ main.cpp:20:71: error: template argument 2 is invalid main.cpp:28:7: error: invalid types 'int[int]' for array subscript q[x].push(y); ^ main.cpp:33:15: error: invalid types 'int[int]' for array subscript fout << q[x].top() << '\n'; ^ main.cpp:34:7: error: invalid types 'int[int]' for array subscript q[x].pop(); ^ main.cpp:39:7: error: invalid types 'int[int]' for array subscript q[x].join(q[y]); ^ main.cpp:39:17: error: invalid types 'int[int]' for array subscript q[x].join(q[y]); ^ Non zero exit status: 1