답안 #300799

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
300799 2020-09-17T13:44:19 Z luciocf 슈퍼트리 잇기 (IOI20_supertrees) C++14
컴파일 오류
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#include <bits/stdc++.h>
#include "supertrees.h"
#include <vector>

using namespace std;

const int maxn = 1e3+10;

int construct(vector<vector<int>> p)
{
	int n = p.size();
	vector<vector<int>> ans;

	int u = -1, v = -1;

	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
			if (p[i][j] == 2)
				u = i, v = j;

	if (u == -1)
	{
		for (int i = 0; i < n; i++)
		{
			vector<int> a;
			a.resize(n);

			if (a < n-1) a[i+1] = 1;
			if (a > 0) a[i-1] = 1;

			ans.push_back(a);
		}

		build(ans);
		return 1;
	}
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:28:10: error: no match for 'operator<' (operand types are 'std::vector<int>' and 'int')
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/regex.h:1048:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1048 |     operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1048:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/regex.h:1124:5: 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>&)'
 1124 |     operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1124:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/regex.h:1198:5: 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>&)'
 1198 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1198:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/regex.h:1272:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1272 |     operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1272:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/regex.h:1346:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1346 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1346:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/regex.h:1421:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1421 |     operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1421:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/regex.h:1499:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1499 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1499:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/stl_pair.h:454:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  454 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_pair.h:454:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::pair<_T1, _T2>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:331:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  331 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:331:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:369:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  369 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:369:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1163:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1163 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1163:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1169:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1169 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1169:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6226:5: 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>&)'
 6226 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6226:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6239:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
 6239 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6239:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   28 |    if (a < n-1) a[i+1] = 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 supertrees.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6251:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6251 |     operator<(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6251:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   mismatched types 'const _CharT*' and 'std::vector<int>'
   28 |    if (a < n-1) a[i+1] = 1;
      |              ^
In file included from /usr/include/c++/9/bits/ios_base.h:46,
                 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 supertrees.cpp:1:
/usr/include/c++/9/system_error:208:3: note: candidate: 'bool std::operator<(const std::error_code&, const std::error_code&)'
  208 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/9/system_error:208:31: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const std::error_code&'
  208 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/9/system_error:282:3: note: candidate: 'bool std::operator<(const std::error_condition&, const std::error_condition&)'
  282 |   operator<(const error_condition& __lhs,
      |   ^~~~~~~~
/usr/include/c++/9/system_error:282:36: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const std::error_condition&'
  282 |   operator<(const error_condition& __lhs,
      |             ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:68,
                 from supertrees.cpp:1:
/usr/include/c++/9/bits/stl_deque.h:312:5: note: candidate: 'template<class _Tp, class _Ref, class _Ptr> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)'
  312 |     operator<(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:312:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
   28 |    if (a < n-1) a[i+1] = 1;
      |              ^
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:68,
                 from supertrees.cpp:1:
/usr/include/c++/9/bits/stl_deque.h:320:5: note: candidate: 'template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> bool std::operator<(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)'
  320 |     operator<(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:320:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
   28 |    if (a < n-1) a[i+1] = 1;
      |              ^
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:68,
                 from supertrees.cpp:1:
/usr/include/c++/9/bits/stl_deque.h:2330:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)'
 2330 |     operator<(const deque<_Tp, _Alloc>& __x,
      |     ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:2330:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::deque<_Tp, _Alloc>'
   28 |    if (a < n-1) a[i+1] = 1;
      |              ^
In file included from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:71,
                 from supertrees.cpp:1:
/usr/include/c++/9/array:262:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)'
  262 |     operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
      |     ^~~~~~~~
/usr/include/c++/9/array:262:5: note:   template argument deduction/substitution failed:
supertrees.cpp:28:14: note:   'std::vector<int>' is not derived from 'const std::array<_Tp, _Nm>'
   28 |    if (a < n-1) a[i+1] = 1;
      |              ^
In file included from /usr/include/c++/9/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:71,
                 from supertrees.cpp:1:
/usr/include/c++/9/tuple:1432:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Tps ...>&, const std::tuple<_Elements ...>&)'
 1432 |