View Compilation Error

0_0_33571685_28304.cpp: In function 'void add(int, int)':
0_0_33571685_28304.cpp:25:34: error: 'cnt' was not declared in this scope
   if(!trie[c][op]) trie[c][op] = cnt++;
                                  ^
0_0_33571685_28304.cpp: In function 'int main()':
0_0_33571685_28304.cpp:48:19: error: 'cnt' was not declared in this scope
   n = re, m = re; cnt = 1;
                   ^