In file included from /usr/include/c++/7/bits/hashtable.h:35:0,
from /usr/include/c++/7/unordered_map:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:117,
from skyscraper.cpp:3:
/usr/include/c++/7/bits/hashtable_policy.h: In instantiation of 'struct std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int>':
/usr/include/c++/7/type_traits:143:12: required from 'struct std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> >'
/usr/include/c++/7/type_traits:154:31: required from 'struct std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
/usr/include/c++/7/bits/unordered_set.h:98:63: required from 'class std::unordered_set<std::pair<int, int>, long long int, pair_hash>'
skyscraper.cpp:141:140: required from here
/usr/include/c++/7/bits/hashtable_policy.h:87:34: error: expression cannot be used as a function
noexcept(declval<const _Hash&>()(declval<const _Key&>()))>
~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from skyscraper.cpp:3:
/usr/include/c++/7/type_traits: In instantiation of 'struct std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >':
/usr/include/c++/7/bits/unordered_set.h:98:63: required from 'class std::unordered_set<std::pair<int, int>, long long int, pair_hash>'
skyscraper.cpp:141:140: required from here
/usr/include/c++/7/type_traits:154:31: error: 'value' is not a member of 'std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> >'
: public __bool_constant<!bool(_Pp::value)>
^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/unordered_set:48:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:118,
from skyscraper.cpp:3:
/usr/include/c++/7/bits/unordered_set.h: In instantiation of 'class std::unordered_set<std::pair<int, int>, long long int, pair_hash>':
skyscraper.cpp:141:140: required from here
/usr/include/c++/7/bits/unordered_set.h:98:63: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef __uset_hashtable<_Value, _Hash, _Pred, _Alloc> _Hashtable;
^~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:105:45: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::key_type key_type;
^~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:106:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::value_type value_type;
^~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:107:43: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::hasher hasher;
^~~~~~
/usr/include/c++/7/bits/unordered_set.h:108:46: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::key_equal key_equal;
^~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:109:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::allocator_type allocator_type;
^~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:114:45: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::pointer pointer;
^~~~~~~
/usr/include/c++/7/bits/unordered_set.h:115:50: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::const_pointer const_pointer;
^~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:116:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::reference reference;
^~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:117:52: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::const_reference const_reference;
^~~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:118:46: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::iterator iterator;
^~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:119:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::const_iterator const_iterator;
^~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:120:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::local_iterator local_iterator;
^~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:121:57: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::const_local_iterator const_local_iterator;
^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:122:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::size_type size_type;
^~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:123:52: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
typedef typename _Hashtable::difference_type difference_type;
^~~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:282:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
operator=(initializer_list<value_type> __l)
^~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:375:2: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
emplace(_Args&&... __args)
^~~~~~~
/usr/include/c++/7/bits/unordered_set.h:419:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
insert(const value_type& __x)
^~~~~~
/usr/include/c++/7/bits/unordered_set.h:423:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
insert(value_type&& __x)
^~~~~~
/usr/include/c++/7/bits/unordered_set.h:478:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
insert(initializer_list<value_type> __l)
^~~~~~
/usr/include/c++/7/bits/unordered_set.h:679:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
equal_range(const key_type& __x)
^~~~~~~~~~~
/usr/include/c++/7/bits/unordered_set.h:683:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<long long int>, std::__detail::__is_noexcept_hash<std::pair<int, int>, long long int> > >'
equal_range(const key_type& __x) const
^~~~~~~~~~~
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:179:10: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
dist[mp(i,-1)] = INF;
^
skyscraper.cpp:182:11: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
dist[mp(i,curr)] = INF;
^
skyscraper.cpp:193:8: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
dist[mp(fst.f, -1)] = 0;
^
skyscraper.cpp:203:17: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
if(dist[to.s] > dist[fr.s] + to.f){
^
skyscraper.cpp:203:30: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
if(dist[to.s] > dist[fr.s] + to.f){
^
skyscraper.cpp:204:17: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
dist[to.s] = dist[fr.s] + to.f;
^
skyscraper.cpp:204:30: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
dist[to.s] = dist[fr.s] + to.f;
^
skyscraper.cpp:205:29: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
pq.push(mp(-dist[to.s], to.s));
^
skyscraper.cpp:210:15: error: no match for 'operator[]' (operand types are 'std::unordered_set<std::pair<int, int>, long long int, pair_hash>' and 'std::pair<int, int>')
ll d = dist[mp(sec.f, -1)];
^
skyscraper.cpp: In function 'void io::setIn(std::__cxx11::string)':
skyscraper.cpp:112:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
void setIn(string s) { freopen(s.c_str(),"r",stdin); }
~~~~~~~^~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp: In function 'void io::setOut(std::__cxx11::string)':
skyscraper.cpp:113:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
void setOut(string s) { freopen(s.c_str(),"w",stdout); }
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~