답안 #878010

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
878010 2023-11-24T02:24:01 Z sleepntsheep 늑대인간 (IOI18_werewolf) C++17
컴파일 오류
0 ms 0 KB
i
#include "werewolf.h"
#include <iostream>
#include <algorithm>
#include <numeric>
#include <vector>
using namespace std;
#define NN 200000
 
 
struct kruskal_reconstruction_tree
{
    vector<int> p, tin, tout;
    int l;
    vector<vector<int>> g;
 
    kruskal_reconstruction_tree(int n, int n0) : p(n), tin(n), tout(n), l(n0), g(n)
    {
        iota(p.begin(), p.end(), 0);
    }
 
    int find(int x)
    {
        if (p[x] == x) return x;
        return p[x] = find(p[x]);
    }
 
    int unite(int x, int y)
    {
        x = find(x); y = find(y);
        if (x == y) return 0;
        g[p[x] = p[y] = ++l] = {x, y};
        return 1;
    }
 
    int timer = 0;
    void dfs(int u, int p)
    {
        tin[u] = timer++;
        for (auto v : g[u]) if (v != p) dfs(v, u);
        tout[u] = timer - 1;
    }
 
    void tour()
    {
        for (int i = l; i--;) if (!tin[i]) dfs(i, i);
    }
 
};
 
kruskal_reconstruction_tree krt1(NN<<2, NN);
kruskal_reconstruction_tree krt2(NN<<2, NN);
 
vector<int> t[NN<<2];
 
void add(int v, int l, int r, int p, int k)
{
    t[v].push_back(k);
    if (l == r) return;
    if (p <= (l+r)/2) add(2*v+1, l, (l+r)/2, p, k);
    else add(2*v+1, (l+r)/2+1, r, p, k);
}
 
int qry(int v, int l, int r, int x, int y, int k)
{
    if (r < x || y < l) return 1e9;
    if (x <= l && r <= y)
    {
        auto it = lower_bound(t[v].begin(), t[v].end(), k);
        return it == t[v].end() ? 1e9 : *it;
    }
    return min(qry(2*v+1, l, (l+r)/2, x, y, k), qry(2*v+2, (l+r)/2+1, r, x, y, k));
}
 
vector<int> check_validity(int N, vector<int> X, vector<int> Y,
        vector<int> S, vector<int> E,
        vector<int> L, vector<int> R) {
    int Q = S.size();
    vector<int> A(Q);
    vector<vector<int>> g(N);
 
    for (int i = 0; i < (int)X.size(); ++i) g[X[i]].push_back(Y[i]), g[Y[i]].push_back(X[i]);
 
    /* build krt */
    vector<int> rtl(Q), rtr(Q);
    {
        vector<vector<int>> byl(N), byr(N);
        for (int i = 0; i < Q; ++i) byl[L[i]].push_back(i), byr[R[i]].push_back(i);
        for (int i = N; i--;)
        {
            for (auto v : g[i]) if (v >= i) krt1.unite(v, i);
            for (auto j : byl[L[i]]) rtl[j] = krt1.find(S[j]);
        }
        for (int i = 0; i < N; ++i)
        {
            for (auto v : g[i]) if (v <= i) krt2.unite(v, i);
            for (auto j : byr[R[i]]) rtr[j] = krt2.find(E[j]);
        }
    }
 
    krt1.tour();
    krt2.tour();
 
    /* build merge sort tree */
    {
        vector<pair<int, int>> ins;
        for (int i = 0; i < N; ++i) 
        {
            ins.emplace_back(krt2.tin[i], krt1.tin[i]);
        }
        sort(ins.begin(), ins.end());
        for (auto [b, a] : ins) add(0, 0, N, a, b);
    }
 
    for (int i = 0; i < Q; ++i)
    {
        auto u = qry(0, 0, N, krt1.tin[rtl[i]], krt1.tout[rtl[i]], krt2.tin[rtr[i]]);
        A[i] = u <= krt2.tout[rtr[i]];
    }
 
    return A;
}

Compilation message

werewolf.cpp:1:1: error: 'i' does not name a type
    1 | i
      | ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:62,
                 from /usr/include/c++/10/vector:60,
                 from werewolf.h:3,
                 from werewolf.cpp:2:
/usr/include/c++/10/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity
  162 |   __is_null_pointer(std::nullptr_t)
      |                                   ^
/usr/include/c++/10/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
  157 |     __is_null_pointer(_Type)
      |     ^~~~~~~~~~~~~~~~~
/usr/include/c++/10/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
  162 |   __is_null_pointer(std::nullptr_t)
      |                          ^~~~~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/stl_pair.h:59,
                 from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from werewolf.h:3,
                 from werewolf.cpp:2:
/usr/include/c++/10/type_traits:200:27: error: 'size_t' has not been declared
  200 |   template <typename _Tp, size_t = sizeof(_Tp)>
      |                           ^~~~~~
/usr/include/c++/10/type_traits:402:26: error: 'std::size_t' has not been declared
  402 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/10/type_traits:403:25: error: '_Size' was not declared in this scope
  403 |     struct is_array<_Tp[_Size]>
      |                         ^~~~~
/usr/include/c++/10/type_traits:403:31: error: template argument 1 is invalid
  403 |     struct is_array<_Tp[_Size]>
      |                               ^
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'
  508 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
/usr/include/c++/10/type_traits:508:51: error: template argument 1 is invalid
  508 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                                   ^
/usr/include/c++/10/type_traits:984:26: error: 'size_t' has not been declared
  984 |   template<typename _Tp, size_t _Num>
      |                          ^~~~~~
/usr/include/c++/10/type_traits:985:49: error: '_Num' was not declared in this scope
  985 |     struct __is_nt_constructible_impl<true, _Tp[_Num]>
      |                                                 ^~~~
/usr/include/c++/10/type_traits:985:54: error: template argument 2 is invalid
  985 |     struct __is_nt_constructible_impl<true, _Tp[_Num]>
      |                                                      ^
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'
 1351 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1351:57: error: template argument 1 is invalid
 1351 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                                         ^
/usr/include/c++/10/type_traits:1351:57: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1360:37: error: 'size_t' is not a member of 'std'
 1360 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1360:46: error: template argument 1 is invalid
 1360 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/10/type_traits:1360:46: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1362:26: error: 'std::size_t' has not been declared
 1362 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/10/type_traits:1363:21: error: '_Size' was not declared in this scope
 1363 |     struct rank<_Tp[_Size]>
      |                     ^~~~~
/usr/include/c++/10/type_traits:1363:27: error: template argument 1 is invalid
 1363 |     struct rank<_Tp[_Size]>
      |                           ^
/usr/include/c++/10/type_traits:1364:37: error: 'size_t' is not a member of 'std'
 1364 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1364:65: error: template argument 1 is invalid
 1364 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/10/type_traits:1364:65: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1368:37: error: 'size_t' is not a member of 'std'
 1368 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1368:65: error: template argument 1 is invalid
 1368 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/10/type_traits:1368:65: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1373:37: error: 'size_t' is not a member of 'std'
 1373 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1373:46: error: template argument 1 is invalid
 1373 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/10/type_traits:1373:46: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1375:42: error: 'std::size_t' has not been declared
 1375 |   template<typename _Tp, unsigned _Uint, std::size_t _Size>
      |                                          ^~~
/usr/include/c++/10/type_traits:1376:23: error: '_Size' was not declared in this scope
 1376 |     struct extent<_Tp[_Size], _Uint>
      |                       ^~~~~
/usr/include/c++/10/type_traits:1376:36: error: template argument 1 is invalid
 1376 |     struct extent<_Tp[_Size], _Uint>
      |                                    ^
/usr/include/c++/10/type_traits:1377:37: error: 'size_t' is not a member of 'std'
 1377 |     : public integral_constant<std::size_t,
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1378:24: error: '_Size' was not declared in this scope
 1378 |           _Uint == 0 ? _Size : extent<_Tp,
      |                        ^~~~~
/usr/include/c++/10/type_traits:1379:28: error: template argument 1 is invalid
 1379 |           _Uint - 1>::value>
      |                            ^
/usr/include/c++/10/type_traits:1379:28: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1384:37: error: 'size_t' is not a member of 'std'
 1384 |     : public integral_constant<std::size_t,
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1386:31: error: template argument 1 is invalid
 1386 |              _Uint - 1>::value>
      |                               ^
/usr/include/c++/10/type_traits:1386:31: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1753:26: error: 'size_t' does not name a type
 1753 |       { static constexpr size_t __size = sizeof(_Tp); };
      |                          ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/stl_pair.h:59,
                 from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from werewolf.h:3,
                 from werewolf.cpp:2:
/usr/include/c++/10/type_traits:1:1: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
  +++ |+#include <cstddef>
    1 | // C++11 <type_traits> -*- C++ -*-
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/stl_pair.h:59,
                 from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from werewolf.h:3,
                 from werewolf.cpp:2:
/usr/include/c++/10/type_traits:1755:14: error: 'size_t' has not been declared
 1755 |     template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
      |              ^~~~~~
/usr/include/c++/10/type_traits:1755:48: error: '_Sz' was not declared in this scope
 1755 |     template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
      |                                                ^~~
/usr/include/c++/10/type_traits:1756:14: error: no default argument for '_Tp'
 1756 |       struct __select;
      |              ^~~~~~~~
/usr/include/c++/10/type_traits:1758:14: error: 'size_t' has not been declared
 1758 |     template<size_t _Sz, typename _Uint, typename... _UInts>
      |              ^~~~~~
/usr/include/c++/10/type_traits:1759:23: error: '_Sz' was not declared in this scope
 1759 |       struct __select<_Sz, _List<_Uint, _UInts...>, true>
      |                       ^~~
/usr/include/c++/10/type_traits:1759:57: error: template argument 1 is invalid
 1759 |       struct __select<_Sz, _List<_Uint, _UInts...>, true>
      |                                                         ^
/usr/include/c++/10/type_traits:1762:14: error: 'size_t' has not been declared
 1762 |     template<size_t _Sz, typename _Uint, typename... _UInts>
      |              ^~~~~~
/usr/include/c++/10/type_traits:1763:23: error: '_Sz' was not declared in this scope
 1763 |       struct __select<_Sz, _List<_Uint, _UInts...>, false>
      |                       ^~~
/usr/include/c++/10/type_traits:1763:58: error: template argument 1 is invalid
 1763 |       struct __select<_Sz, _List<_Uint, _UInts...>, false>
      |                                                          ^
/usr/include/c++/10/type_traits:1764:18: error: '_Sz' was not declared in this scope
 1764 |       : __select<_Sz, _List<_UInts...>>
      |                  ^~~
/usr/include/c++/10/type_traits:1764:38: error: template argument 1 is invalid
 1764 |       : __select<_Sz, _List<_UInts...>>
      |                                      ^~
/usr/include/c++/10/type_traits:1755:60: error: '__size' is not a member of 'std::__make_unsigned_selector_base::_List<unsigned char, short unsigned int, unsigned int, long unsigned int, long long unsigned int>'
 1755 |     template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
      |                                                            ^~~~~~
/usr/include/c++/10/type_traits:1777:68: error: template argument 3 is invalid
 1777 |       using __unsigned_type = typename __select<sizeof(_Tp), _UInts>::__type;
      |                                                                    ^
/usr/include/c++/10/type_traits:1781:40: error: '__unsigned_type' was not declared in this scope
 1781 |  = typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
      |                                        ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1781:55: error: template argument 2 is invalid
 1781 |  = typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
      |                                                       ^
/usr/include/c++/10/type_traits:1793:61: error: '__type' in 'class std::__make_unsigned_selector<wchar_t, false, true>' does not name a type
 1793 |  = typename __make_unsigned_selector<wchar_t, false, true>::__type;
      |                                                             ^~~~~~
/usr/include/c++/10/type_traits:1810:62: error: '__type' in 'class std::__make_unsigned_selector<char16_t, false, true>' does not name a type
 1810 |  = typename __make_unsigned_selector<char16_t, false, true>::__type;
      |                                                              ^~~~~~
/usr/include/c++/10/type_traits:1817:62: error: '__type' in 'class std::__make_unsigned_selector<char32_t, false, true>' does not name a type
 1817 |  = typename __make_unsigned_selector<char32_t, false, true>::__type;
      |                                                              ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<wchar_t, true, false>':
/usr/include/c++/10/type_traits:1904:62:   required from 'class std::__make_signed_selector<wchar_t, false, true>'
/usr/include/c++/10/type_traits:1919:57:   required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<wchar_t>'
 1738 |       using __unsigned_type
      |             ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<wchar_t>'
 1742 |       using __type
      |             ^~~~~~
/usr/include/c++/10/type_traits:1919:59: error: invalid combination of multiple type-specifiers
 1919 |  = typename __make_signed_selector<wchar_t, false, true>::__type;
      |                                                           ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<char16_t, true, false>':
/usr/include/c++/10/type_traits:1904:62:   required from 'class std::__make_signed_selector<char16_t, false, true>'
/usr/include/c++/10/type_traits:1936:58:   required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<char16_t>'
 1738 |       using __unsigned_type
      |             ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<char16_t>'
 1742 |       using __type
      |             ^~~~~~
/usr/include/c++/10/type_traits:1936:60: error: invalid combination of multiple type-specifiers
 1936 |  = typename __make_signed_selector<char16_t, false, true>::__type;
      |                                                            ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<char32_t, true, false>':
/usr/include/c++/10/type_traits:1904:62:   required from 'class std::__make_signed_selector<char32_t, false, true>'
/usr/include/c++/10/type_traits:1943:58:   required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<char32_t>'
 1738 |       using __unsigned_type
      |             ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<char32_t>'
 1742 |       using __type
      |             ^~~~~~
/usr/include/c++/10/type_traits:1943:60: error: invalid combination of multiple type-specifiers
 1943 |  = typename __make_signed_selector<char32_t, false, true>::__type;
      |                                                            ^~~~~~
/usr/include/c++/10/type_traits:1975:26: error: 'std::size_t' has not been declared
 1975 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/10/type_traits:1976:30: error: '_Size' was not declared in this scope
 1976 |     struct remove_extent<_Tp[_Size]>
      |                              ^~~~~
/usr/include/c++/10/type_traits:1976:36: error: template argument 1 is invalid
 1976 |     struct remove_extent<_Tp[_Size]>
      |                                    ^
/usr/include/c++/10/type_traits:1988:26: error: 'std::size_t' has not been declared
 1988 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/10/type_traits:1989:35: error: '_Size' was not declared in this scope
 1989 |     struct remove_all_extents<_Tp[_Size]>
      |                                   ^~~~~
/usr/include/c++/10/type_traits:1989:41: error: template argument 1 is invalid
 1989 |     struct remove_all_extents<_Tp[_Size]>
      |                                         ^
/usr/include/c++/10/type_traits:2047:12: error: 'std::size_t' has not been declared
 2047 |   template<std::size_t _Len>
      |            ^~~
/usr/include/c++/10/type_traits:2052:23: error: '_Len' was not declared in this scope
 2052 |  unsigned char __data[_Len];
      |                       ^~~~
/usr/include/c++/10/type_traits:2067:12: error: 'std::size_t' has not been declared
 2067 |   template<std::size_t _Len, std::size_t _Align =
      |            ^~~
/usr/include/c++/10/type_traits:2067:30: error: 'std::size_t' has not been declared
 2067 |   template<std::size_t _Len, std::size_t _Align =
      |                              ^~~
/usr/include/c++/10/type_traits:2068:48: error: '_Len' was not declared in this scope
 2068 |     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
      |                                                ^~~~
/usr/include/c++/10/type_traits:2068:52: error: template argument 1 is invalid
 2068 |     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
      |                                                    ^
/usr/include/c++/10/type_traits:2073:23: error: '_Len' was not declared in this scope
 2073 |  unsigned char __data[_Len];
      |                       ^~~~
/usr/include/c++/10/type_traits:2074:37: error: '_Align' was not declared in this scope
 2074 |  struct __attribute__((__aligned__((_Align)))) { } __align;
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:2081:20: error: 'size_t' does not name a type
 2081 |       static const size_t _S_alignment = 0;
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2081:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2082:20: error: 'size_t' does not name a type
 2082 |       static const size_t _S_size = 0;
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2082:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2088:20: error: 'size_t' does not name a type
 2088 |       static const size_t _S_alignment =
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2088:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2091:20: error: 'size_t' does not name a type
 2091 |       static const size_t _S_size =
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2091:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2106:13: error: 'size_t' has not been declared
 2106 |   template <size_t _Len, typename... _Types>
      |             ^~~~~~
/usr/include/c++/10/type_traits:2113:20: error: 'size_t' does not name a type
 2113 |       static const size_t _S_len = _Len > __strictest::_S_size
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2113:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2117:20: error: 'size_t' does not name a type
 2117 |       static const size_t alignment_value = __strictest::_S_alignment;
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2117:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2119:40: error: '_S_len' was not declared in this scope
 2119 |       typedef typename aligned_storage<_S_len, alignment_value>::type type;
      |                                        ^~~~~~
/usr/include/c++/10/type_traits:2119:48: error: 'alignment_value' w