View Compilation Error

0_0_37519191_4020.cpp:72:14: error: conflicting declaration 'std::map<int, int> mp'
 map<int,int> mp;
              ^
0_0_37519191_4020.cpp:14:24: note: previous declaration as 'std::unordered_map<int, int> mp'
 unordered_map<int,int> mp ;
                        ^