View Compilation Error

0_0_26135004_3621.cpp: In function 'void insert()':
0_0_26135004_3621.cpp:17:18: error: 'rot' was not declared in this scope
         if(!trie[rot][id]) trie[rt][id]=++tot;
                  ^
0_0_26135004_3621.cpp:19:9: error: 'root' was not declared in this scope
         root=trie[rt][id];
         ^
0_0_26135004_3621.cpp: In function 'int search()':
0_0_26135004_3621.cpp:30:9: error: 'root' was not declared in this scope
         root=trie[rt][id];
         ^