View Compilation Error

0_0_37706700_16512.cpp: In function 'long long int Hash(int, int)':
0_0_37706700_16512.cpp:17:24: error: 'totx' was not declared in this scope
  return (long long)x * totx + y;
                        ^
0_0_37706700_16512.cpp: In function 'bool check(int, int)':
0_0_37706700_16512.cpp:37:19: error: missing template arguments before '(' token
  int tot = mp[hash(aa, bb)];
                   ^