View Compilation Error

0_0_39516423_22483.cpp: In function 'void bfs()':
0_0_39516423_22483.cpp:16:28: error: 'class std::queue<node>' has no member named 'top'; did you mean 'pop'?
   16 |                 node u = q.top();
      |                            ^~~
      |                            pop