View Compilation Error

0_0_26471928_30234.cpp:10:1: error: 'map' does not name a type
 map<ll,int> m;
 ^
0_0_26471928_30234.cpp: In function 'int main()':
0_0_26471928_30234.cpp:108:9: error: 'm' was not declared in this scope
         m.clear();
         ^