# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
584939 | Newtech66 | Game (IOI14_game) | 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.
#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>::