View Compilation Error

0_0_37792641_24054.cpp:66:9: error: 'N33' was not declared in this scope
 int tre[N33*][3];
         ^
0_0_37792641_24054.cpp:66:13: error: expected primary-expression before ']' token
 int tre[N33*][3];
             ^
0_0_37792641_24054.cpp: In function 'void init()':
0_0_37792641_24054.cpp:70:9: error: 'tre' was not declared in this scope
  memset(tre, 0, sizeof tre);
         ^
0_0_37792641_24054.cpp: In function 'void insert(int)':
0_0_37792641_24054.cpp:79:8: error: 'tre' was not declared in this scope
   if (!tre[p][t]) tre[p][t] = ++idx;
        ^
0_0_37792641_24054.cpp:80:7: error: 'tre' was not declared in this scope
   p = tre[p][t];
       ^
0_0_37792641_24054.cpp: In function 'int query(int)':
0_0_37792641_24054.cpp:90:7: error: 'tre' was not declared in this scope
   if (tre[p][!t])
       ^