Eroare de compilare: main.cpp:1:0: warning: ignoring #pragma GCC optmize [-Wunknown-pragmas] #pragma GCC optmize("03") main.cpp:10:22: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Alloc> class std::vector' vector <unordered_set> v[1 << 20]; ^ main.cpp:10:22: note: expected a type, got 'unordered_set' main.cpp:10:22: error: template argument 2 is invalid main.cpp: In function 'bool get(int, std::pair<int, int>)': main.cpp:13:14: error: request for member 'find' in 'v[x]', which is of non-class type 'int' return v[x].find(y) != v[x].end(); ^~~~ main.cpp:13:30: error: request for member 'end' in 'v[x]', which is of non-class type 'int' return v[x].find(y) != v[x].end(); ^~~ main.cpp: In function 'int main()': main.cpp:33:12: error: request for member 'insert' in 'v[mask1]', which is of non-class type 'int' v[mask1].insert({mask2, mask3}); ^~~~~~ Non zero exit status: 1