View Compilation Error

0_0_33551030_19050.cpp: In member function 'void node::build_bit()':
0_0_33551030_19050.cpp:73:30: error: 'P' was not declared in this scope
   for (int to : adj) add_bit(P[to].A, 1);
                              ^
0_0_33551030_19050.cpp: In member function 'void node::build_big()':
0_0_33551030_19050.cpp:87:8: error: 'P' was not declared in this scope
    if (P[to].degree > block) {
        ^