답안 #335199

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
335199 2020-12-11T12:26:56 Z blue 꿈 (IOI13_dreaming) C++17
컴파일 오류
0 ms 0 KB
#include "dreaming.h"
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <queue>
using namespace std;

vector<int> edge[100001];
vector<int> weight[100001];
vector<int> maxdist(100001, 0);
vector<int> children(100001, 0);
vector<int> visit(100001, 0);
vector<int> roots;

struct distcomp
{
    int i;
};

bool operator () (distcomp a, distcomp b)
{
    if(maxdist[a.i] == maxdist[b.i]) return a.i < b.i;
    return maxdist[a.i] < maxdist[b.i];
}

int travelTime(int N, int M, int L, int A[], int B[], int T[])
//number of nodes, number of edges, common length, edge A[i]-A[i] with length T[i]
{
    for(int i = 0; i < M; i++)
    {
        edge[A[i]].push_back(B[i]);
        weight[A[i]].push_back(T[i]);
        edge[B[i]].push_back(A[i]);
        weight[B[i]].push_back(T[i]);
    }

    //set<int, distcomp> tbv;
    set<distcomp> tbv;
    for(int i = 0; i < N; i++)
    {
        if(edge[i].size() == 0) roots.push_back(0);
        if(edge[i].size() == 1) tbv.insert(distcomp{i});
    }

    int u, v, w;
    while(!tbv.empty())
    {
        u = tbv.begin()->i;
        tbv.erase(tbv.begin());
        visit[u] = 1;

        for(int i = 0; i < edge[u].size(); i++)
        {
            v = edge[u][i];
            w = weight[u][i];

            if(!visit[v])
            {
                children[v]++;
                maxdist[v] = max(maxdist[v], maxdist[u] + w);
                if(children[v] == edge[v].size() - 1) tbv.insert(distcomp{v});
            }
            else
            {
                maxdist[u] = max(maxdist[u], maxdist[v] + w);
            }
        }
        if(edge[u].size() == children[u]) roots.push_back(maxdist[u]);
    }
    if(M == N-1) return roots[0];
    else
    {
        sort(roots.begin(), roots.end());
        return roots[roots.size() - 2] + L + roots[roots.size() - 1];
    }
}

Compilation message

dreaming.cpp:21:6: error: 'bool operator()(distcomp, distcomp)' must be a nonstatic member function
   21 | bool operator () (distcomp a, distcomp b)
      |      ^~~~~~~~
dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:53:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |         for(int i = 0; i < edge[u].size(); i++)
      |                        ~~^~~~~~~~~~~~~~~~
dreaming.cpp:62:32: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |                 if(children[v] == edge[v].size() - 1) tbv.insert(distcomp{v});
dreaming.cpp:69:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} [-Wsign-compare]
   69 |         if(edge[u].size() == children[u]) roots.push_back(maxdist[u]);
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h: In instantiation of 'constexpr bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = distcomp]':
/usr/include/c++/9/bits/stl_tree.h:2095:11:   required from 'std::pair<std::_Rb_tree_node_base*, std::_Rb_tree_node_base*> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_get_insert_unique_pos(const key_type&) [with _Key = distcomp; _Val = distcomp; _KeyOfValue = std::_Identity<distcomp>; _Compare = std::less<distcomp>; _Alloc = std::allocator<distcomp>; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::key_type = distcomp]'
/usr/include/c++/9/bits/stl_tree.h:2148:4:   required from 'std::pair<std::_Rb_tree_iterator<_Val>, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(_Arg&&) [with _Arg = distcomp; _Key = distcomp; _Val = distcomp; _KeyOfValue = std::_Identity<distcomp>; _Compare = std::less<distcomp>; _Alloc = std::allocator<distcomp>]'
/usr/include/c++/9/bits/stl_set.h:520:48:   required from 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = distcomp; _Compare = std::less<distcomp>; _Alloc = std::allocator<distcomp>; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree_const_iterator<distcomp>; std::set<_Key, _Compare, _Alloc>::value_type = distcomp]'
dreaming.cpp:43:55:   required from here
/usr/include/c++/9/bits/stl_function.h:386:20: error: no match for 'operator<' (operand types are 'const distcomp' and 'const distcomp')
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/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:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'const distcomp' is not derived from 'const std::pair<_T1, _T2>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_iterator.h:331:5: note: candidate: 'template<class _Iterator> constexpr 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:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'const distcomp' is not derived from 'const std::reverse_iterator<_Iterator>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_iterator.h:369:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr 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:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'const distcomp' is not derived from 'const std::reverse_iterator<_Iterator>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_iterator.h:1163:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr 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:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'const distcomp' is not derived from 'const std::move_iterator<_IteratorL>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_iterator.h:1169:5: note: candidate: 'template<class _Iterator> constexpr 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:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'const distcomp' is not derived from 'const std::move_iterator<_IteratorL>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/9/bits/basic_string.h:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/string_view:509:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
  509 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/9/string_view:509:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'distcomp' is not derived from 'std::basic_string_view<_CharT, _Traits>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/9/bits/basic_string.h:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/string_view:515:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >)'
  515 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/9/string_view:515:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'distcomp' is not derived from 'std::basic_string_view<_CharT, _Traits>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
In file included from /usr/include/c++/9/bits/basic_string.h:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/string_view:521:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)'
  521 |     operator< (__detail::__idt<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/9/string_view:521:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'distcomp' is not derived from 'std::basic_string_view<_CharT, _Traits>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/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, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 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:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'const distcomp' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/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, _Allocator>&, 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:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   'const distcomp' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/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, _Allocator>&)'
 6251 |     operator<(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6251:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:48,
                 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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/usr/include/c++/9/bits/stl_function.h:386:20: note:   mismatched types 'const _CharT*' and 'distcomp'
  386 |       { return __x < __y; }
      |                ~~~~^~~~~
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/ostream:38,
                 from /usr/include/c++/9/iostream:39,
                 from dreaming.cpp:2:
/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 'const distcomp' 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,
      |