답안 #339237

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
339237 2020-12-24T23:55:04 Z ogibogi2004 Easter Eggs (info1cup17_eastereggs) C++14
컴파일 오류
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#include <bits/stdc++.h>
#include "grader.h"

using namespace std;
const int MAXN=520;
int st[MAXN];
vector<int>g[MAXN];
bool no[MAXN];
void dfs(int u,int par)
{
	st[u]=1;
	for(auto v:g[u])
	{
		if(v==par)continue;
		if(no[v])continue;
		dfs(v,u);
		st[u]+=st[v];
	}
}
pair<int,int>best;
void find_best_in(int u,int par,int n1)
{
	if(st[u]>=n1)
	{
		best=min(best,{st[u]-n1,u});
	}
	else return;
	for(auto v:g[u])
	{
		if(v==par)continue;
		find_best_in(v,u,n1);
	}
}
vector<int>v;
bool flag;
void make_subtree(int u,int par,int t)
{
	if(u==t)flag=1;
	if(flag)v.push_back(u);
	for(auto v:g[u])
	{
		if(v==par)continue;
		make_subtree(v,u,t);
	}
	if(u==t)flag=0;
}
bool find(vector<int>xd1,int xd2)
{
	for(auto xd:xd1)if(xd1==xd2)return 1;
	return 0;
}
int findEgg (int N, vector < pair < int, int > > bridges)
{
	for(auto xd:bridges)
	{
		g[xd.first].push_back(xd.second);
		g[xd.second].push_back(xd.first);
	}
	for(;;)
	{
		int root=0,cnt=0;
		for(int i=1;i<=N;i++)
		{
			if(no[i]==0)
			{
				root=i;cnt++;
			}
		}
		if(cnt==1)return root;
		dfs(root,0);
		best={N+1,N+1};
		find_best_in(root,0,st[root]/2);
		v.clear();
		flag=0;
		make_subtree(root,0,best.first);
		if(query(v))
		{
			for(int i=1;i<=N;i++)
			{
				if(findd(v,i)==v.end())
				{
					no[i]=1;
				}
			}
		}
		else
		{
			for(int i=0;i<v.size();i++)no[v[i]]=1;
		}
	}
    return N;
}

Compilation message

eastereggs.cpp: In function 'bool find(std::vector<int>, int)':
eastereggs.cpp:49:24: error: no match for 'operator==' (operand types are 'std::vector<int>' and 'int')
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                     ~~~^~~~~
      |                     |    |
      |                     |    int
      |                     std::vector<int>
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1026:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1026 |     operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1026:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1099:5: 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>&)'
 1099 |     operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1099:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1173:5: 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>&)'
 1173 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1173:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1247:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1247 |     operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1247:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1321:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1321 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1321:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1395:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1395 |     operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1395:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1473:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1473 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1473:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/regex.h:1991:5: 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>&)'
 1991 |     operator==(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1991:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/iosfwd:40,
                 from /usr/include/c++/9/ios:38,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
  222 |     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/9/bits/postypes.h:222:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::fpos<_StateT>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/stl_pair.h:448:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  448 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_pair.h:448:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::pair<_T1, _T2>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:325:5: note: candidate: 'template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  325 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:325:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:363:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  363 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:363:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1139:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1139 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1139:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
                 from /usr/include/c++/9/bits/char_traits.h:39,
                 from /usr/include/c++/9/ios:40,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1145:5: note: candidate: 'template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1145 |     operator==(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1145:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/string:41,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/allocator.h:168:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)'
  168 |     operator==(const allocator<_T1>&, const allocator<_T2>&)
      |     ^~~~~~~~
/usr/include/c++/9/bits/allocator.h:168:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::allocator<_CharT>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6141:5: 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>&)'
 6141 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6141:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6149:5: 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>&)'
 6149 |     operator==(const basic_string<_CharT>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6149:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6163:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6163 |     operator==(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6163:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   mismatched types 'const _CharT*' and 'std::vector<int>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/string:55,
                 from /usr/include/c++/9/bits/locale_classes.h:40,
                 from /usr/include/c++/9/bits/ios_base.h:41,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from eastereggs.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6175:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
 6175 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6175:5: note:   template argument deduction/substitution failed:
eastereggs.cpp:49:26: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   49 |  for(auto xd:xd1)if(xd1==xd2)return 1;
      |                          ^~~
In file included from /usr/include/c++/9/bits/ios_base.h:46,
                 from /usr/include/c++/9/ios:42,
                 from /us