Eroare de compilare: main.cpp: In function 'int main()': main.cpp:15:18: error: no match for 'operator[]' (operand types are 'std::bitset<2002>::reference' and 'long long int') 15 | fr[i][j] = a; | ^ main.cpp:21:33: error: request for member 'count' in '(((int)std::bitset<_Nb>::operator[](std::size_t) [with long unsigned int _Nb = 2002; std::size_t = long unsigned int](((std::size_t)i)).std::bitset<2002>::reference::operator bool()) & ((int)std::bitset<_Nb>::operator[](std::size_t) [with long unsigned int _Nb = 2002; std::size_t = long unsigned int](((std::size_t)j)).std::bitset<2002>::reference::operator bool()))', which is of non-class type 'int' 21 | a = (fr[i] & fr[j]).count(); | ^~~~~ Non zero exit status: 1