제출 #469633

#제출 시각아이디문제언어결과실행 시간메모리
469633Lam_lai_cuoc_doi공장들 (JOI14_factories)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

template <class T>
void read(T &x)
{
    x = 0;
    register int c;
    while ((c = getchar()) && (c > '9' || c < '0'))
        ;
    for (; c >= '0' && c <= '9'; c = getchar())
        x = x * 10 + c - '0';
}

constexpr bool typetest = 0;
constexpr int N = 5e5 + 5;
constexpr ll Inf = 1e17 + 7;
struct Path
{
    int v, type;
    ll w;
} a[N];

int n, m, in[N], beg[N];
int cnt[N], en[N], l(0), par[N];
ll dep[N], ans;

vector<pair<int, ll>> adj[N];

void dfs(int v, int p = -1)
{
    cnt[v] = 1;

    for (auto i : adj[v])
        if (i.first != p)
        {
            par[i.first] = v;
            dep[i.first] = dep[v] + i.second;

            dfs(i.first, v);

            cnt[v] += cnt[i.first];
        }
}

void hld(int v)
{
    in[v] = l;
    if (!beg[in[v]])
        beg[in[v]] = v;

    pair<int, int> ans({0, 0});

    for (auto i : adj[v])
        if (i.first != par[v])
            ans = max(ans, make_pair(cnt[i.first], i.first));

    if (ans.first != 0)
    {
        hld(ans.second);
        for (auto i : adj[v])
            if (i.first != par[v] && i.first != ans.second)
            {
                ++l;
                hld(i.first);
            }
    }
}

void Init(int nn, int[] a, int[] b, int[] d)
{
    n = nn;
    for (int i = 0; i < n - 1; ++i)
    {
        adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
        adj[b[i] + 1].emplace_back(a[i] + 1, d[i]);
    }
    l = 1;
    dfs(1);
    hld(1);
}

void GetPath(int v, int type)
{
    ll w = dep[v];
    while (v)
    {
        ++m;
        a[m].v = v;
        a[m].type = type;
        a[m].w = w;

        v = par[beg[in[v]]];
    }
}

void Cal(int x, int y)
{
    sort(a + x, a + y + 1, [&](const Path &a, const Path &b)
         { return dep[a.v] < dep[b.v]; });

    ll minn[2] = {Inf, Inf};

    for (int i = y; i >= x; --i)
    {
        ans = min(ans, a[i].w + minn[a[i].type ^ 1] - 2 * dep[a[i].v]);
        minn[a[i].type] = min(minn[a[i].type], a[i].w);
    }
}

ll Query(int s, int[] u, int t, int[] v)
{
    m = 0;
    ans = Inf;

    for (int i = 0; i < s; ++i)
        GetPath(u[i] + 1, 1);
    for (int i = 0; i < t; ++i)
        GetPath(v[i] + 1, 0);

    sort(a + 1, a + m + 1, [&](const Path &a, const Path &b)
         { return in[a.v] < in[b.v]; });

    for (int i = 1, j = 1; i <= m; ++i)
    {
        while (j <= m && in[a[i].v] == in[a[j].v])
            ++j;
        Cal(i, j - 1);
        i = j - 1;
    }

    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

factories.cpp: In function 'void read(T&)':
factories.cpp:12:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   12 |     register int c;
      |                  ^
factories.cpp: At global scope:
factories.cpp:74:25: error: expected ',' or '...' before 'a'
   74 | void Init(int nn, int[] a, int[] b, int[] d)
      |                         ^
factories.cpp: In function 'void Init(int, int*)':
factories.cpp:79:18: error: no match for 'operator+' (operand types are 'Path' and 'int')
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |             ~~~~ ^ ~
      |                |   |
      |                |   int
      |                Path
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 factories.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:508:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)'
  508 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:508:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
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 factories.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1540:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)'
 1540 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1540:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6022:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6022 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6022:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:56,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.tcc:1160:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 1160 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.tcc:1160:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   mismatched types 'const _CharT*' and 'Path'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:56,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.tcc:1180:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 1180 |     operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.tcc:1180:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6059:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 6059 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6059:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6075:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 6075 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6075:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6087:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6087 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6087:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6093:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6093 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6093:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6099:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6099 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6099:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6121:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6121 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6121:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   mismatched types 'const _CharT*' and 'Path'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6127:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 6127 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6127:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6133:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)'
 6133 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6133:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/string:55,
                 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 factories.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6139:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)'
 6139 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6139:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from factories.cpp:1:
/usr/include/c++/10/complex:331:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  331 |     operator+(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:331:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'const std::complex<_Tp>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from factories.cpp:1:
/usr/include/c++/10/complex:340:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const _Tp&)'
  340 |     operator+(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:340:5: note:   template argument deduction/substitution failed:
factories.cpp:79:20: note:   'Path' is not derived from 'const std::complex<_Tp>'
   79 |         adj[a[i] + 1].emplace_back(b[i] + 1, d[i]);
      |                    ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from factories.cpp:1:
/usr/inc