View Compilation Error

0_0_38704927_2944.cpp: In function 'int main()':
0_0_38704927_2944.cpp:37:47: error: could not convert 'mp.std::map<std::pair<long long int, long long int>, std::vector<std::pair<char, long long int> > >::operator[](std::make_pair<long long int&, long long int&>(A, B))' from 'std::map<std::pair<long long int, long long int>, std::vector<std::pair<char, long long int> > >::mapped_type' {aka 'std::vector<std::pair<char, long long int> >'} to 'bool'
   37 |                         if (mp[make_pair(A,B)])
      |                                               ^
      |                                               |
      |                                               std::map<std::pair<long long int, long long int>, std::vector<std::pair<char, long long int> > >::mapped_type {aka std::vector<std::pair<char, long long int> >}
0_0_38704927_2944.cpp:38:17: error: expected primary-expression before '}' token
   38 |                 }
      |                 ^