View Compilation Error

0_0_20869580_2270.cpp: In function 'int main()':
0_0_20869580_2270.cpp:5:2: error: 'map' was not declared in this scope
  map<int,int> m;
  ^
0_0_20869580_2270.cpp:5:2: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:61:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:80,
                 from 0_0_20869580_2270.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:96:11: note:   'std::map'
     class map
           ^
0_0_20869580_2270.cpp:5:6: error: expected primary-expression before 'int'
  map<int,int> m;
      ^
0_0_20869580_2270.cpp:8:3: error: 'm' was not declared in this scope
   m.clear();
   ^