View Compilation Error

0_0_39195986_23712.cpp: In function 'void insert(char*)':
0_0_39195986_23712.cpp:16:16: error: 'existcnt' was not declared in this scope; did you mean 'exixtcnt'?
   16 |     exist[p]=++existcnt;
      |                ^~~~~~~~
      |                exixtcnt
0_0_39195986_23712.cpp: In function 'void build()':
0_0_39195986_23712.cpp:27:38: error: invalid types 'int [2000][128][int [128]]' for array subscript
   27 |                 fail[trie[u][i]]=trie[fail[u]][i];
      |                                      ^
0_0_39195986_23712.cpp:30:32: error: invalid types 'int [2000][128][int [128]]' for array subscript
   30 |                 trie[u][i]=trie[fail[u]][i];
      |                                ^