forward
<utility>
forward_list
<forward_list>
free
cstdlib
front_inserter
<iterator>
fstream
<fstream>
function
<functional>
get
<tuple>
getline
<string>
greater
<functional>
hash
<functional>
hex
<iostream>
hexfloat
<iostream>
ifstream
<fstream>
initializer_list
<initializer_list>
inserter
<iterator>
internal
<iostream>
ios_base
<ios_base>
isalpha
<cctype>
islower
<cctype>
isprint
<cctype>
ispunct
<cctype>
isspace
<cctype>
istream
<iostream>
istream_iterator
<iterator>
istringstream
<sstream>
isupper
<cctype>
left
<iostream>
less
<functional>
less_equal
<functional>
list
<list>
logic_error
<stdexcept>
lower_bound
<algorithm>