View Compilation Error

0_0_33872441_32717.cpp: In function 'void init()':
0_0_33872441_32717.cpp:60:7: error: 'u' was not declared in this scope
  mark[u]=fail[u]=0;
       ^
0_0_33872441_32717.cpp: In function 'void bfs(int)':
0_0_33872441_32717.cpp:110:17: error: 'id' was not declared in this scope
  FOR(i,1,tt+1)d[id[ori]][i]=dis[lis[i]];
                 ^