message: include entire STL
diff: #include <wctype.h>
  #include <wordexp.h>
  +//include entire libstdc++
  +#include<algorithm>
  +#include<any>
  +#include<array>
  +#include<bitset>
  +#include<cassert>
  +//include<ccomplex>
  +#include<cctype>
  +#include<cerrno>
  +//include<cfenv>
  +#include<cfloat>
  +//include<chrono>
  +#include<cinttypes>
  +#include<ciso646>
  +#include<climits>
  +#include<clocale>
  +#include<cmath>
  +#include<codecvt>
  +//include<complex>
  +#include<condition_variable>
  +//include<csetjmp>
  +//include<csignal>
  +#include<cstdarg>
  +#include<cstdbool>
  +#include<cstddef>
  +#include<cstdint>
  +#include<cstdio>
  +#include<cstdlib>
  +#include<cstring>
  +//include<ctgmath>
  +#include<ctime>
  +#include<cwchar>
  +#include<cwctype>
  +#include<deque>
  +#include<exception>
  +#include<forward_list>
  +//include<fstream>
  +#include<functional>
  +//include<future>
  +#include<initializer_list>
  +#include<iomanip>
  +#include<ios>
  +#include<iosfwd>
  +#include<iostream>
  +#include<istream>
  +#include<iterator>
  +#include<limits>
  +#include<list>
  +#include<locale>
  +#include<map>
  +#include<memory>
  +#include<mutex>
  +#include<new>
  +#include<numeric>
  +#include<optional>
  +#include<ostream>
  +#include<queue>
  +//include<random>
  +#include<ratio>
  +#include<regex>
  +#include<scoped_allocator>
  +#include<set>
  +//include<shared_mutex>
  +#include<sstream>
  +#include<stack>
  +#include<stdexcept>
  +#include<streambuf>
  +#include<string>
  +#include<string_view>
  +#include<strstream>
  +#include<system_error>
  +//include<thread>
  +#include<tuple>
  +#include<type_traits>
  +#include<typeindex>
  +#include<typeinfo>
  +#include<unordered_map>
  +#include<unordered_set>
  +#include<utility>
  +#include<valarray>
  +#include<variant>
  +#include<vector>
  +
  +
  //
  #include <array>
  