Submission #584939

#TimeUsernameProblemLanguageResultExecution timeMemory
584939Newtech66Game (IOI14_game)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; int n; vector<set<int> > g; map<pair<int,int>,bool> m; void initialize(int N) { n=N; g.resize(n); for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { if(i==j) continue; g[i].insert(j); } } } int hasEdge(int u,int v) { if(m.find({u,v})!=m.end) return m[{u,v}]; if(g[u].size()==1 || g[v].size()==1) { m[{u,v}]=m[{v,u}]=1; g[u].erase(v); g[v].erase(u); return 1; }else { m[{u,v}]=m[{v,u}]=0; g[u].erase(v); g[v].erase(u); return 0; } }

Compilation message (stderr)

game.cpp: In function 'int hasEdge(int, int)':
game.cpp:23:19: error: no match for 'operator!=' (operand types are 'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} and '<unresolved overloaded function type>')
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |      ~~~~~~~~~~~~~^~~~~~~
      |            |          |
      |            |          <unresolved overloaded function type>
      |            std::map<std::pair<int, int>, bool>::iterator {aka std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator}
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:1064:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1064 |     operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1064:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:1144:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
 1144 |     operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1144:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:1237:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1237 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1237:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:1311:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1311 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1311:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<int, int>, bool>::const_iterator (std::map<std::pair<int, int>, bool>::*)() const noexcept' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::const_iterator (std::map<std::pair<int, int>, bool>::*)() const noexcept'}
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
game.cpp:23:23: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<int, int>, bool>::iterator (std::map<std::pair<int, int>, bool>::*)() noexcept' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator (std::map<std::pair<int, int>, bool>::*)() noexcept'}
game.cpp:23:23: note:   couldn't deduce template parameter '_Bi_iter'
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:1405:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1405 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1405:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:1479:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1479 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1479:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<int, int>, bool>::const_iterator (std::map<std::pair<int, int>, bool>::*)() const noexcept' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::const_iterator (std::map<std::pair<int, int>, bool>::*)() const noexcept'}
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
game.cpp:23:23: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<int, int>, bool>::iterator (std::map<std::pair<int, int>, bool>::*)() noexcept' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator (std::map<std::pair<int, int>, bool>::*)() noexcept'}
game.cpp:23:23: note:   couldn't deduce template parameter '_Bi_iter'
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:1579:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1579 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1579:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from game.cpp:1:
/usr/include/c++/10/bits/regex.h:2126:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator!=(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)'
 2126 |     operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2126:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from game.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:496:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  496 |     operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:496:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::pair<_T1, _T2>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from game.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  372 |     operator!=(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:372:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::reverse_iterator<_Iterator>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from game.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  410 |     operator!=(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:410:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::reverse_iterator<_Iterator>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from game.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1444 |     operator!=(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::move_iterator<_IteratorL>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from game.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1501 |     operator!=(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::move_iterator<_IteratorL>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/iosfwd:40,
                 from /usr/include/c++/10/ios:38,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from game.cpp:1:
/usr/include/c++/10/bits/postypes.h:227:5: note: candidate: 'template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
  227 |     operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/postypes.h:227:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::iterator' {aka 'std::_Rb_tree<std::pair<int, int>, std::pair<const std::pair<int, int>, bool>, std::_Select1st<std::pair<const std::pair<int, int>, bool> >, std::less<std::pair<int, int> >, std::allocator<std::pair<const std::pair<int, int>, bool> > >::iterator'} is not derived from 'const std::fpos<_StateT>'
   23 |   if(m.find({u,v})!=m.end) return m[{u,v}];
      |                       ^~~
In file included from /usr/include/c++/10/string:41,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from game.cpp:1:
/usr/include/c++/10/bits/allocator.h:213:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&)'
  213 |     operator!=(const allocator<_T1>&, const allocator<_T2>&)
      |     ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:213:5: note:   template argument deduction/substitution failed:
game.cpp:23:23: note:   'std::map<std::pair<int, int>, bool>::