View Compilation Error

0_0_13509520_84.cpp:1:11: error: 'MAXN' was not declared in this scope
 char maze[MAXN][MAXN];
           ^
0_0_13509520_84.cpp:1:17: error: 'MAXN' was not declared in this scope
 char maze[MAXN][MAXN];
                 ^
0_0_13509520_84.cpp:2:10: error: 'MAXN' was not declared in this scope
 bool vis[MAXN][MAXN][16];
          ^
0_0_13509520_84.cpp:2:16: error: 'MAXN' was not declared in this scope
 bool vis[MAXN][MAXN][16];
                ^
0_0_13509520_84.cpp:12:1: error: 'queue' does not name a type
 queue<point> Q;
 ^