Submission #129799

#	Time	Username	Problem	Language	Result	Execution time	Memory
129799		davitmarg	Portals (BOI14_portals)	C++17	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

portals

/*DavitMarg*/ #include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <string> #include <cstring> #include <map> #include <set> #include <queue> #include <iomanip> #include <stack> #include <cassert> #include <iterator> #include <bitset> #include <fstream> #define mod 1000000007ll #define LL long long #define LD long double #define MP make_pair #define PB push_back #define all(v) v.begin(),v.end() using namespace std; int n,m,k,st,en; vector<bool> used[1001006]; pair<int,int> u[1003][1003],d[1003][1003],l[1003][1003],r[1003][1003]; vector<pair<int,int>> g[1000006]; vector<int> dist,mot; char a[1003][1003]; int id(int y,int x) { return y*m+x; } void print(int ind) { int y,x; x=ind%m; if(!x) x=m; y=(ind-x)/m; cout<<"! "<<y<<" "<<x<<" d="<<dist[ind]<<endl; } void addNode(int a,int b,int d) { g[a].PB(MP(b,d)); } int main() { cin >> n >> m; k=n*m+m; dist.resize(k+5); mot.resize(k+5); for(int i=1;i<=n;i++) { int x=getchar(); for(int j=1;j<=m;j++) { x=getchar(); a[i][j]=(char)x; if(a[i][j]=='S') { st=id(i,j); a[i][j]='.'; } else if(a[i][j]=='C') { en=id(i,j); a[i][j]='.'; } } } for(int i=1;i<=n;i++) a[i][0]=a[i][m+1]='#'; for(int i=1;i<=m;i++) a[0][i]=a[n+1][i]='#'; for(int i=0;i<=n;i++) for(int j=0;j<=m;j++) { if(a[i][j]=='#') u[i][j]=l[i][j]=MP(i,j); else { u[i][j]=u[i-1][j]; l[i][j]=l[i][j-1]; } } for(int i=n+1;i>=1;i--) for(int j=m+1;j>=1;j--) { if(a[i][j]=='#') d[i][j]=r[i][j]=MP(i,j); else { d[i][j]=d[i+1][j]; r[i][j]=r[i][j+1]; } } queue<int> Q; for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) if(a[i][j]!='#' && a[i-1][j]=='#' || a[i+1][j]=='#' || a[i][j-1]=='#'|| a[i][j+1]=='#') { int start=id(i,j); Q.push(start); used[start]=1; } for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) { if(a[i][j]=='#') continue; if(a[i-1][j]!='#') addNode(id(i,j),id(i-1,j),1); if(a[i+1][j]!='#') addNode(id(i,j),id(i+1,j),1); if(a[i][j-1]!='#') addNode(id(i,j),id(i,j-1),1); if(a[i][j+1]!='#') addNode(id(i,j),id(i,j+1),1); } while(!Q.empty()) { int v=Q.front(); Q.pop(); //print(v); for(int i=0;i<g[v].size();i++) { int to=g[v][i].first; if(used[to]) continue; used[to]=1; mot[to]=mot[v]+1; Q.push(to); } } for(int i=1;i<=k;i++) { used[i]=0; dist[i]=mod; } for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) { if(a[i][j]=='#') continue; if(1) { int y,x; y=u[i][j].first; x=u[i][j].second; addNode(id(i,j),id(y+1,x),mot[id(i,j)]+1); y=d[i][j].first; x=d[i][j].second; addNode(id(i,j),id(y-1,x),mot[id(i,j)]+1); y=l[i][j].first; x=l[i][j].second; addNode(id(i,j),id(y,x+1),mot[id(i,j)]+1); y=r[i][j].first; x=r[i][j].second; addNode(id(i,j),id(y,x-1),mot[id(i,j)]+1); } } priority_queue<pair<int,int>> q; q.push(MP(0,st)); dist[st]=0; while(!q.empty()) { int v=-1; do { v=q.top().second; q.pop(); }while(used[v] && !q.empty()); if(used[v]==1 && v==-1) break; used[v]=1; for(int i=0;i<g[v].size();i++) { int to=g[v][i].first; int D=g[v][i].second; if(dist[to]>D+dist[v]) { dist[to]=D+dist[v]; q.push(MP(-dist[to],to)); } } } cout<<dist[en]<<endl; return 0; } /* 15 10 .....C.... .......... .......... .......... .......... .......... .......... ...S...... .......... .......... .......... .......... .......... .......... .......... */

Compilation message (stderr)

portals.cpp: In function 'int main()':
portals.cpp:110:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
             if(a[i][j]!='#' && a[i-1][j]=='#' || a[i+1][j]=='#' || a[i][j-1]=='#'|| a[i][j+1]=='#')
                ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
portals.cpp:114:17: error: no match for 'operator=' (operand types are 'std::vector<bool>' and 'int')
     used[start]=1;
                 ^
In file included from /usr/include/c++/7/vector:65:0,
                 from portals.cpp:5:
/usr/include/c++/7/bits/stl_bvector.h:682:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(const std::vector<bool, _Alloc>&) [with _Alloc = std::allocator<bool>]
     operator=(const vector& __x)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:682:5: note:   no known conversion for argument 1 from 'int' to 'const std::vector<bool>&'
/usr/include/c++/7/bits/stl_bvector.h:713:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(std::vector<bool, _Alloc>&&) [with _Alloc = std::allocator<bool>]
     operator=(vector&& __x) noexcept(_Bit_alloc_traits::_S_nothrow_move())
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:713:5: note:   no known conversion for argument 1 from 'int' to 'std::vector<bool>&&'
/usr/include/c++/7/bits/stl_bvector.h:743:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(std::initializer_list<bool>) [with _Alloc = std::allocator<bool>]
     operator=(initializer_list<bool> __l)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:743:5: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<bool>'
portals.cpp:137:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0;i<g[v].size();i++)
                     ~^~~~~~~~~~~~
portals.cpp:140:23: error: could not convert 'used[to]' from 'std::vector<bool>' to 'bool'
             if(used[to])
                ~~~~~~~^
portals.cpp:142:13: error: no match for 'operator=' (operand types are 'std::vector<bool>' and 'int')
    used[to]=1;
             ^
In file included from /usr/include/c++/7/vector:65:0,
                 from portals.cpp:5:
/usr/include/c++/7/bits/stl_bvector.h:682:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(const std::vector<bool, _Alloc>&) [with _Alloc = std::allocator<bool>]
     operator=(const vector& __x)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:682:5: note:   no known conversion for argument 1 from 'int' to 'const std::vector<bool>&'
/usr/include/c++/7/bits/stl_bvector.h:713:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(std::vector<bool, _Alloc>&&) [with _Alloc = std::allocator<bool>]
     operator=(vector&& __x) noexcept(_Bit_alloc_traits::_S_nothrow_move())
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:713:5: note:   no known conversion for argument 1 from 'int' to 'std::vector<bool>&&'
/usr/include/c++/7/bits/stl_bvector.h:743:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(std::initializer_list<bool>) [with _Alloc = std::allocator<bool>]
     operator=(initializer_list<bool> __l)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:743:5: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<bool>'
portals.cpp:150:11: error: no match for 'operator=' (operand types are 'std::vector<bool>' and 'int')
   used[i]=0;
           ^
In file included from /usr/include/c++/7/vector:65:0,
                 from portals.cpp:5:
/usr/include/c++/7/bits/stl_bvector.h:682:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(const std::vector<bool, _Alloc>&) [with _Alloc = std::allocator<bool>]
     operator=(const vector& __x)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:682:5: note:   no known conversion for argument 1 from 'int' to 'const std::vector<bool>&'
/usr/include/c++/7/bits/stl_bvector.h:713:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(std::vector<bool, _Alloc>&&) [with _Alloc = std::allocator<bool>]
     operator=(vector&& __x) noexcept(_Bit_alloc_traits::_S_nothrow_move())
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:713:5: note:   no known conversion for argument 1 from 'int' to 'std::vector<bool>&&'
/usr/include/c++/7/bits/stl_bvector.h:743:5: note: candidate: std::vector<bool, _Alloc>& std::vector<bool, _Alloc>::operator=(std::initializer_list<bool>) [with _Alloc = std::allocator<bool>]
     operator=(initializer_list<bool> __l)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:743:5: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<bool>'
portals.cpp:192:18: error: no match for 'operator&&' (operand types are 'std::vector<bool>' and 'bool')
   }while(used[v] && !q.empty());
          ~~~~~~~~^~~~~~~~~~~~~
portals.cpp:192:18: note: candidate: operator&&(bool, bool) <built-in>
portals.cpp:192:18: note:   no known conversion for argument 1 from 'std::vector<bool>' to 'bool'
portals.cpp:194:19: error: no match for 'operator==' (operand types are 'std::vector<bool>' and 'int')
         if(used[v]==1 && v==-1)
            ~~~~~~~^~~
In file included from /usr/include/c++/7/iosfwd:40:0,
                 from /usr/include/c++/7/ios:38,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^~~~~~~~
/usr/include/c++/7/bits/postypes.h:216:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::fpos<_StateT>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:443:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:443:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::pair<_T1, _T2>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/stl_iterator.h:299:5: note: candidate: template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator==(const reverse_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:299:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::reverse_iterator<_Iterator>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/stl_iterator.h:337:5: note: candidate: template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator==(const reverse_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:337:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::reverse_iterator<_Iterator>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/stl_iterator.h:1118:5: note: candidate: template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
     operator==(const move_iterator<_IteratorL>& __x,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:1118:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::move_iterator<_IteratorL>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/stl_iterator.h:1124:5: note: candidate: template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
     operator==(const move_iterator<_Iterator>& __x,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:1124:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::move_iterator<_IteratorL>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/string:41:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/allocator.h:146:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator==(const allocator<_T1>&, const allocator<_T2>&)
     ^~~~~~~~
/usr/include/c++/7/bits/allocator.h:146:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::allocator<_CharT>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/string:41:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/allocator.h:152:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator==(const allocator<_Tp>&, const allocator<_Tp>&)
     ^~~~~~~~
/usr/include/c++/7/bits/allocator.h:152:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::allocator<_CharT>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/basic_string.h:48:0,
                 from /usr/include/c++/7/string:52,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/string_view:450:5: note: candidate: template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)
     operator==(basic_string_view<_CharT, _Traits> __x,
     ^~~~~~~~
/usr/include/c++/7/string_view:450:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/basic_string.h:48:0,
                 from /usr/include/c++/7/string:52,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/string_view:456:5: note: candidate: template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >)
     operator==(basic_string_view<_CharT, _Traits> __x,
     ^~~~~~~~
/usr/include/c++/7/string_view:456:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/bits/basic_string.h:48:0,
                 from /usr/include/c++/7/string:52,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/string_view:462:5: note: candidate: template<class _CharT, class _Traits> constexpr bool std::operator==(std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)
     operator==(__detail::__idt<basic_string_view<_CharT, _Traits>> __x,
     ^~~~~~~~
/usr/include/c++/7/string_view:462:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/basic_string.h:5997:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5997:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/basic_string.h:6005:5: note: candidate: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)
     operator==(const basic_string<_CharT>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:6005:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::__cxx11::basic_string<_CharT>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/basic_string.h:6019:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator==(const _CharT* __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:6019:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   mismatched types 'const _CharT*' and 'std::vector<bool>'
         if(used[v]==1 && v==-1)
                     ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/ostream:38,
                 from /usr/include/c++/7/iostream:39,
                 from portals.cpp:2:
/usr/include/c++/7/bits/basic_string.h:6031:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:6031:5: note:   template argument deduction/substitution failed:
portals.cpp:194:21: note:   'std::vector<bool>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Tra