제출 #956246

#제출 시각아이디문제언어결과실행 시간메모리
956246samvar_0907Olympic Bus (JOI20_ho_t4)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define int long long const int N = 201, M = 40001; int n, m; multiset<pair<int, int>> adj[N]; int c[M], d[M]; pair<int, int> edges[M]; vector<int> dijkstra(int source){ vector<int> dist(n + 1, 1e15); priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq; pq.push({0, source}); dist[source] = 0; while (!pq.empty()) { int u = pq.top().second; int d = pq.top().first; pq.pop(); for (auto &n : adj[u]){ if (dist[n.first] > d + c[n.second]){ dist[n.first] = d + c[n.second]; pq.push({dist[n.first], n.first}); } } } return dist; } signed main(){ cin >> n >> m; for (int i = 1; i <= n; ++i) { adj[i].clear(); } vector<vector<int>> dist(n + 1, vector<int>(n + 1, 1e15)); for (int i = 1; i <= n; ++i) { dist[i][i] = 0; } for (int i = 0; i < m; ++i){ int u, v; cin >> u >> v >> c[i] >> d[i]; adj[u].insert({v, i}); edges[i] = {u, v}; dist[u][v] = min(dist[u][v], c[i]); } // Floyd Warshall for (int k = 1; k <= n; ++k) { for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]); } } } int ans = min(ans, dist[1][n] + dist[n][1]); int u = edges[i].first, v = edges[i].second; if (min(dist[1][n], dist[1][v] + c[i] + dist[u][n]) + min(dist[n][1], dist[n][v] + c[i] + dist[u][1]) + d[i] < ans) { adj[u].erase(adj[u].find({v, i})); adj[v].insert({u, i}); ans = min(ans, d[i] + dijkstra(1)[n] + dijkstra(n)[1]); adj[v].erase(adj[v].find({edges[i].first, i})); adj[u].insert({v, i}); } if (ans == (int)(1e15)) { ans = -1; } cout << ans; }

컴파일 시 표준 에러 (stderr) 메시지

ho_t4.cpp: In function 'int main()':
ho_t4.cpp:61:19: error: 'i' was not declared in this scope
   61 |     int u = edges[i].first, v = edges[i].second;
      |                   ^
ho_t4.cpp:63:33: error: 'v' was not declared in this scope
   63 |     if (min(dist[1][n], dist[1][v] + c[i] + dist[u][n]) +
      |                                 ^
ho_t4.cpp:66:44: error: no matching function for call to 'std::multiset<std::pair<long long int, long long int> >::find(<brace-enclosed initializer list>)'
   66 |             adj[u].erase(adj[u].find({v, i}));
      |                                            ^
In file included from /usr/include/c++/10/set:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
                 from ho_t4.cpp:1:
/usr/include/c++/10/bits/stl_multiset.h:775:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::iterator std::multiset<_Key, _Compare, _Alloc>::find(const key_type&) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::key_type = std::pair<long long int, long long int>]'
  775 |       find(const key_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_multiset.h:775:28: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const key_type&' {aka 'const std::pair<long long int, long long int>&'}
  775 |       find(const key_type& __x)
      |            ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_multiset.h:779:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::const_iterator std::multiset<_Key, _Compare, _Alloc>::find(const key_type&) const [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::key_type = std::pair<long long int, long long int>]'
  779 |       find(const key_type& __x) const
      |       ^~~~
/usr/include/c++/10/bits/stl_multiset.h:779:28: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const key_type&' {aka 'const std::pair<long long int, long long int>&'}
  779 |       find(const key_type& __x) const
      |            ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_multiset.h:785:2: note: candidate: 'template<class _Kt> decltype (std::multiset<_Key, _Compare, _Alloc>::iterator{((std::multiset<_Key, _Compare, _Alloc>*)this)->std::multiset<_Key, _Compare, _Alloc>::_M_t._M_find_tr(__x)}) std::multiset<_Key, _Compare, _Alloc>::find(const _Kt&) [with _Kt = _Kt; _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  785 |  find(const _Kt& __x)
      |  ^~~~
/usr/include/c++/10/bits/stl_multiset.h:785:2: note:   template argument deduction/substitution failed:
ho_t4.cpp:66:44: note:   couldn't deduce template parameter '_Kt'
   66 |             adj[u].erase(adj[u].find({v, i}));
      |                                            ^
In file included from /usr/include/c++/10/set:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
                 from ho_t4.cpp:1:
/usr/include/c++/10/bits/stl_multiset.h:791:2: note: candidate: 'template<class _Kt> decltype (std::multiset<_Key, _Compare, _Alloc>::const_iterator{((const std::multiset<_Key, _Compare, _Alloc>*)this)->std::multiset<_Key, _Compare, _Alloc>::_M_t._M_find_tr(__x)}) std::multiset<_Key, _Compare, _Alloc>::find(const _Kt&) const [with _Kt = _Kt; _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  791 |  find(const _Kt& __x) const
      |  ^~~~
/usr/include/c++/10/bits/stl_multiset.h:791:2: note:   template argument deduction/substitution failed:
ho_t4.cpp:66:44: note:   couldn't deduce template parameter '_Kt'
   66 |             adj[u].erase(adj[u].find({v, i}));
      |                                            ^
ho_t4.cpp:70:33: error: no matching function for call to 'std::multiset<std::pair<long long int, long long int> >::insert(<brace-enclosed initializer list>)'
   70 |             adj[u].insert({v, i});
      |                                 ^
In file included from /usr/include/c++/10/set:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
                 from ho_t4.cpp:1:
/usr/include/c++/10/bits/stl_multiset.h:502:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::iterator std::multiset<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::value_type = std::pair<long long int, long long int>]'
  502 |       insert(const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:502:32: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<long long int, long long int>&'}
  502 |       insert(const value_type& __x)
      |              ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_multiset.h:507:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::iterator std::multiset<_Key, _Compare, _Alloc>::insert(std::multiset<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::value_type = std::pair<long long int, long long int>]'
  507 |       insert(value_type&& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:507:27: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::multiset<std::pair<long long int, long long int> >::value_type&&' {aka 'std::pair<long long int, long long int>&&'}
  507 |       insert(value_type&& __x)
      |              ~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_multiset.h:532:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::iterator std::multiset<_Key, _Compare, _Alloc>::insert(std::multiset<_Key, _Compare, _Alloc>::const_iterator, const value_type&) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::value_type = std::pair<long long int, long long int>]'
  532 |       insert(const_iterator __position, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:532:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_multiset.h:537:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::iterator std::multiset<_Key, _Compare, _Alloc>::insert(std::multiset<_Key, _Compare, _Alloc>::const_iterator, std::multiset<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::value_type = std::pair<long long int, long long int>]'
  537 |       insert(const_iterator __position, value_type&& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:537:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_multiset.h:551:2: note: candidate: 'template<class _InputIterator> void std::multiset<_Key, _Compare, _Alloc>::insert(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  551 |  insert(_InputIterator __first, _InputIterator __last)
      |  ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:551:2: note:   template argument deduction/substitution failed:
ho_t4.cpp:70:33: note:   candidate expects 2 arguments, 1 provided
   70 |             adj[u].insert({v, i});
      |                                 ^
In file included from /usr/include/c++/10/set:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
                 from ho_t4.cpp:1:
/usr/include/c++/10/bits/stl_multiset.h:563:7: note: candidate: 'void std::multiset<_Key, _Compare, _Alloc>::insert(std::initializer_list<_Tp>) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  563 |       insert(initializer_list<value_type> __l)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:563:43: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::initializer_list<std::pair<long long int, long long int> >'
  563 |       insert(initializer_list<value_type> __l)
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_multiset.h:583:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::iterator std::multiset<_Key, _Compare, _Alloc>::insert(std::multiset<_Key, _Compare, _Alloc>::node_type&&) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::node_type = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::node_type]'
  583 |       insert(node_type&& __nh)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:583:26: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::multiset<std::pair<long long int, long long int> >::node_type&&' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::node_type&&'}
  583 |       insert(node_type&& __nh)
      |              ~~~~~~~~~~~~^~~~
/usr/include/c++/10/bits/stl_multiset.h:588:7: note: candidate: 'std::multiset<_Key, _Compare, _Alloc>::iterator std::multiset<_Key, _Compare, _Alloc>::insert(std::multiset<_Key, _Compare, _Alloc>::const_iterator, std::multiset<_Key, _Compare, _Alloc>::node_type&&) [with _Key = std::pair<long long int, long long int>; _Compare = std::less<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::multiset<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator; std::multiset<_Key, _Compare, _Alloc>::node_type = std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::node_type]'
  588 |       insert(const_iterator __hint, node_type&& __nh)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_multiset.h:588:7: note:   candidate expects 2 arguments, 1 provided