View Compilation Error

0_0_2068959_15133.cpp:7:19: hash_map: No such file or directory
0_0_2068959_15133.cpp:10: error: expected namespace-name before ';' token
0_0_2068959_15133.cpp:10: error: `<type error>' is not a namespace
0_0_2068959_15133.cpp: In function `int main()':
0_0_2068959_15133.cpp:66: error: no matching function for call to `getline(std::istream&, std::string)'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/basic_string.h:2341: note: candidates are: std::basic_istream<_CharT, _Traits>& std::getline(std::basic_istream<_CharT, _Traits>&, std::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char, _Traits = std::char_traits<char>, _Alloc = std::allocator<char>]