제출 #416137

#제출 시각아이디문제언어결과실행 시간메모리
416137DEQK꿈 (IOI13_dreaming)C++17
컴파일 에러
0 ms0 KiB
#include "dreaming.h" #include <bits/stdc++.h> #define ll long long #define int ll using namespace std; const int N = 100100; /*int travelTime(int n,int m,int l,vector<int> a,vector<int> b,vector<int> t) { }*/ int n, m, l, ans; int us[N], dp[N], was[N]; vector<pair<int, int>> g[N]; pair<int, int> best; void dfs(int u) { us[u] = 1; for(auto to : g[u]) if(!us[to.first]) { dfs(to.first); dp[u] = max(dp[u], dp[to.first] + to.second); } } void dfs2(int u,int val) { was[u] = 1; vector<int> p, s; ans = max(ans, max(dp[u], val)); if(best.first > max(dp[u], val)) { best = {max(dp[u], val), u}; } for(int i = 0; i < g[u].size(); ++i) { int to = g[u][i].first, c = g[u][i].second; if(was[to]) continue; p.push_back(!p.empty() ? max(p.back(), dp[to] + c) : dp[to] + c); } for(int i = g[u].size() - 1; i >= 0; i--) { int to = g[u][i].first, c = g[u][i].second; if(was[to]) continue; s.push_back(s.empty() ? dp[to] + c : max(s.back(), dp[to] + c)); } reverse(s.begin(), s.end()); int p = 0; for(int i = 0; i < g[u].size(); i++) { int to = g[u][i].first, c = g[u][i].second; if(was[to]) continue; int f = val; ++p; if(p) f = max(f, p[p - 1]); if(p + 1 < s.size()) f = max(f, s[p + 1]); dfs2(to, f + c); } } int travelTime(int n,int m,int l,int a[],int b[],int t[]) { for(int i = 0; i < m; ++i) { int u = a[i],v = b[i],w = t[i]; g[u].push_back({v, w}); g[v].push_back({u, w}); } vector<pair<int, int>> d; for(int i = 0; i < n; ++i) { if(!us[i]) { dfs(i); best = {1e18, 0}; dfs2(i, 0); d.push_back(best); } } sort(d.begin(), d.end(), [&] (pair<int, int> &x, pair<int, int> &y) { return x.first > y.first; }); if(d.size() > 1) { ans = max(ans, d[0].first + d[1].first + l); } if(d.size() > 2) { ans = max(ans, d[1].first + d[2].first + 2 * l); } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

dreaming.cpp: In function 'void dfs2(long long int, long long int)':
dreaming.cpp:29:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for(int i = 0; i < g[u].size(); ++i) {
      |                 ~~^~~~~~~~~~~~~
dreaming.cpp:40:6: error: conflicting declaration 'long long int p'
   40 |  int p = 0;
      |      ^
dreaming.cpp:24:14: note: previous declaration as 'std::vector<long long int> p'
   24 |  vector<int> p, s;
      |              ^
dreaming.cpp:41:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for(int i = 0; i < g[u].size(); i++) {
      |                 ~~^~~~~~~~~~~~~
dreaming.cpp:45:3: error: no match for 'operator++' (operand type is 'std::vector<long long int>')
   45 |   ++p;
      |   ^~~
dreaming.cpp:46:6: error: could not convert 'p' from 'std::vector<long long int>' to 'bool'
   46 |   if(p) f = max(f, p[p - 1]);
      |      ^
      |      |
      |      std::vector<long long int>
dreaming.cpp:46:24: error: no match for 'operator-' (operand types are 'std::vector<long long int>' and 'int')
   46 |   if(p) f = max(f, p[p - 1]);
      |                      ~ ^ ~
      |                      |   |
      |                      |   int
      |                      std::vector<long long int>
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 dreaming.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  500 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:500:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
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 dreaming.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:1533:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1533 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1533:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from dreaming.cpp:2:
/usr/include/c++/10/complex:361:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  361 |     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:361:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::complex<_Tp>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from dreaming.cpp:2:
/usr/include/c++/10/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)'
  370 |     operator-(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:370:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::complex<_Tp>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from dreaming.cpp:2:
/usr/include/c++/10/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)'
  379 |     operator-(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:379:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   mismatched types 'const std::complex<_Tp>' and 'int'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from dreaming.cpp:2:
/usr/include/c++/10/complex:456:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)'
  456 |     operator-(const complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/10/complex:456:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::complex<_Tp>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
 1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1186:1: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::valarray<_Tp>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
 1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1186:1: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const std::valarray<_Tp>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from dreaming.cpp:2:
/usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
 1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1186:1: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
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 dreaming.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:1164:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> decltype ((__lhs.base() - __rhs.base())) __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)'
 1164 |     operator-(const __normal_iterator<_IteratorL, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1164:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
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 dreaming.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:1177:5: note: candidate: 'template<class _Iterator, class _Container> typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
 1177 |     operator-(const __normal_iterator<_Iterator, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1177:5: note:   template argument deduction/substitution failed:
dreaming.cpp:46:26: note:   'std::vector<long long int>' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
   46 |   if(p) f = max(f, p[p - 1]);
      |                          ^
dreaming.cpp:47:8: error: no match for 'operator+' (operand types are 'std::vector<long long int>' and 'int')
   47 |   if(p + 1 < s.size()) f = max(f, s[p + 1]);
      |      ~ ^ ~
      |      |   |
      |      |   int
      |      std::vector<long long int>
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 dreaming.cpp:2:
/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:
dreaming.cpp:47:10: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   47 |   if(p + 1 < s.size()) f = max(f, s[p + 1]);
      |          ^
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 dreaming.cpp:2:
/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:
dreaming.cpp:47:10: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   47 |   if(p + 1 < s.size()) f = max(f, s[p + 1]);
      |          ^
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 dreaming.cpp:2:
/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:
dreaming.cpp:47:10: note:   'std::vector<long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   47 |   if(p + 1 < s.size()) f = max(f, s[p + 1]);
      |          ^
In file included from /usr/include/c++/10/string:56,
                 from /usr/include/c++/10/bits/locale_classes.h:40,