Submission #290111

#TimeUsernameProblemLanguageResultExecution timeMemory
290111REALITYNBRace (IOI11_race)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #include "race.h" #define pb push_back #define mp make_pair #define pii pair<int,int> #define F first #define S second using namespace std; int n , k ; const int mxn = 2e5+1 ; vector<pii> adj[mxn] ; vector<int> sz(mxn) , w(mxn) ,h(mxn) ; void sub(int a , int p){ sz[a]=1 ; if(p!=-1) h[a]=h[p]+1 ; for(pii& x : adj[a]){ if(x.F==p) continue ; w[x.F]=w[a]+x.S ; sub(x.F,a) ; sz[a]+=sz[x.F] ; } } int mn = 1e9 ; vector<int> p[mxn] ; map<int,multiset<int>> cnt ; void dfs(int a , int pp , int keep){ int bigchild = -1 , mx = -1 ; for(pii& y : adj[a]){ int x = y.F ; if(x==pp) continue ; if(sz[x]>mx){ mx=sz[x] ; bigchild= x ; } } for(pii& y : adj[a]){ int x = y.F ; if(x==pp||x==bigchild) continue ; dfs(x,a,0) ; } if(bigchild!=-1){ dfs(bigchild,a,1) ; swap(p[bigchild],swap(p[a])) ; // p[bigchild].swap(p[a]) ; } p[a].push_back(a) ; int target = k+2*w[a] ; if(cnt.count(target-w[a])) mn = min(mn,*(cnt[target-w[a]].begin())-h[a]) ; cnt[w[a]].insert(h[a]) ; for(pii& y : adj[a]){ if(y.F==pp||y.F==bigchild) continue ; for(int& x : p[y.F]){ if(cnt.count(target-w[x])) mn = min(*(cnt[target-w[x]].begin())+h[x]-h[a]*2,mn) ; p[a].pb(x) ; } for(int& x :p[y.F]) cnt[w[a]].insert(h[x]) ; } if(keep==0){ for(int& x: p[a]){ cnt[w[x]].erase(cnt[w[x]].find(h[x])) ; if(cnt[w[x]].empty()) cnt.erase(cnt.find(w[x])) ; } } } int solve(){ sub(1,-1) ; dfs(1,-1,1) ; if(mn==1e9) return -1; return mn ; } int best_path(int N , int K , int H[][2] , int L[]){ n = N ; k = K ; for(int i=0;i<n;i++){ adj[H[i][0]].push_back(mp(H[i][1],L[i])); adj[H[i][1]].push_back(mp(H[i][0],L[i])) ; } return solve() ; }

Compilation message (stderr)

race.cpp: In function 'void dfs(int, int, int)':
race.cpp:43:35: error: no matching function for call to 'swap(std::vector<int>&)'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/sstream:849:5: note: candidate: 'template<class _CharT, class _Traits, class _Allocator> void std::__cxx11::swap(std::__cxx11::basic_stringbuf<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_stringbuf<_CharT, _Traits, _Alloc>&)'
  849 |     swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x,
      |     ^~~~
/usr/include/c++/9/sstream:849:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_stringbuf<_CharT, _Traits, _Alloc>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/sstream:856:5: note: candidate: 'template<class _CharT, class _Traits, class _Allocator> void std::__cxx11::swap(std::__cxx11::basic_istringstream<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_istringstream<_CharT, _Traits, _Allocator>&)'
  856 |     swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x,
      |     ^~~~
/usr/include/c++/9/sstream:856:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_istringstream<_CharT, _Traits, _Allocator>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/sstream:863:5: note: candidate: 'template<class _CharT, class _Traits, class _Allocator> void std::__cxx11::swap(std::__cxx11::basic_ostringstream<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_ostringstream<_CharT, _Traits, _Allocator>&)'
  863 |     swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x,
      |     ^~~~
/usr/include/c++/9/sstream:863:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_ostringstream<_CharT, _Traits, _Allocator>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/sstream:870:5: note: candidate: 'template<class _CharT, class _Traits, class _Allocator> void std::__cxx11::swap(std::__cxx11::basic_stringstream<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_stringstream<_CharT, _Traits, _Allocator>&)'
  870 |     swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x,
      |     ^~~~
/usr/include/c++/9/sstream:870:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_stringstream<_CharT, _Traits, _Allocator>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from race.cpp:1:
/usr/include/c++/9/bits/regex.h:844:5: note: candidate: 'template<class _Ch_type, class _Rx_traits> void std::__cxx11::swap(std::__cxx11::basic_regex<_Ch_type, _Rx_traits>&, std::__cxx11::basic_regex<_Ch_type, _Rx_traits>&)'
  844 |     swap(basic_regex<_Ch_type, _Rx_traits>& __lhs,
      |     ^~~~
/usr/include/c++/9/bits/regex.h:844:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_regex<_Ch_type, _Rx_traits>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
                 from race.cpp:1:
/usr/include/c++/9/bits/regex.h:2029:5: note: candidate: 'template<class _Bi_iter, class _Alloc> void std::__cxx11::swap(std::__cxx11::match_results<_BiIter, _Alloc>&, std::__cxx11::match_results<_BiIter, _Alloc>&)'
 2029 |     swap(match_results<_Bi_iter, _Alloc>& __lhs,
      |     ^~~~
/usr/include/c++/9/bits/regex.h:2029:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::match_results<_BiIter, _Alloc>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/bits/move.h:182:5: note: candidate: 'template<class _Tp> typename std::enable_if<std::__and_<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> >::value>::type std::swap(_Tp&, _Tp&)'
  182 |     swap(_Tp& __a, _Tp& __b)
      |     ^~~~
/usr/include/c++/9/bits/move.h:182:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   candidate expects 2 arguments, 1 provided
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/bits/move.h:205:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> typename std::enable_if<std::__is_swappable<_Tp>::value>::type std::swap(_Tp (&)[_Nm], _Tp (&)[_Nm])'
  205 |     swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
      |     ^~~~
/usr/include/c++/9/bits/move.h:205:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   mismatched types '_Tp [_Nm]' and 'std::vector<int>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
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/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/bits/stl_pair.h:495:5: note: candidate: 'template<class _T1, class _T2> void std::swap(std::pair<_T1, _T2>&, std::pair<_T1, _T2>&)'
  495 |     swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y)
      |     ^~~~
/usr/include/c++/9/bits/stl_pair.h:495:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::pair<_T1, _T2>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
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/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from race.cpp:1:
/usr/include/c++/9/bits/basic_string.h:6378:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> void std::swap(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6378 |     swap(basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~
/usr/include/c++/9/bits/basic_string.h:6378:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/deque:67,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:68,
                 from race.cpp:1:
/usr/include/c++/9/bits/stl_deque.h:2366:5: note: candidate: 'template<class _Tp, class _Alloc> void std::swap(std::deque<_Tp, _Alloc>&, std::deque<_Tp, _Alloc>&)'
 2366 |     swap(deque<_Tp,_Alloc>& __x, deque<_Tp,_Alloc>& __y)
      |     ^~~~
/usr/include/c++/9/bits/stl_deque.h:2366:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::deque<_Tp, _Alloc>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:70,
                 from race.cpp:1:
/usr/include/c++/9/fstream:1264:5: note: candidate: 'template<class _CharT, class _Traits> void std::swap(std::basic_filebuf<_CharT, _Traits>&, std::basic_filebuf<_CharT, _Traits>&)'
 1264 |     swap(basic_filebuf<_CharT, _Traits>& __x,
      |     ^~~~
/usr/include/c++/9/fstream:1264:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::basic_filebuf<_CharT, _Traits>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:70,
                 from race.cpp:1:
/usr/include/c++/9/fstream:1271:5: note: candidate: 'template<class _CharT, class _Traits> void std::swap(std::basic_ifstream<_CharT, _Traits>&, std::basic_ifstream<_CharT, _Traits>&)'
 1271 |     swap(basic_ifstream<_CharT, _Traits>& __x,
      |     ^~~~
/usr/include/c++/9/fstream:1271:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::basic_ifstream<_CharT, _Traits>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:70,
                 from race.cpp:1:
/usr/include/c++/9/fstream:1278:5: note: candidate: 'template<class _CharT, class _Traits> void std::swap(std::basic_ofstream<_CharT, _Traits>&, std::basic_ofstream<_CharT, _Traits>&)'
 1278 |     swap(basic_ofstream<_CharT, _Traits>& __x,
      |     ^~~~
/usr/include/c++/9/fstream:1278:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::basic_ofstream<_CharT, _Traits>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:70,
                 from race.cpp:1:
/usr/include/c++/9/fstream:1285:5: note: candidate: 'template<class _CharT, class _Traits> void std::swap(std::basic_fstream<_CharT, _Traits>&, std::basic_fstream<_CharT, _Traits>&)'
 1285 |     swap(basic_fstream<_CharT, _Traits>& __x,
      |     ^~~~
/usr/include/c++/9/fstream:1285:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::basic_fstream<_CharT, _Traits>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/tuple:39,
                 from /usr/include/c++/9/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:71,
                 from race.cpp:1:
/usr/include/c++/9/array:294:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> void std::swap(std::array<_Tp, _Nm>&, std::array<_Tp, _Nm>&)'
  294 |     swap(array<_Tp, _Nm>& __one, array<_Tp, _Nm>& __two)
      |     ^~~~
/usr/include/c++/9/array:294:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::array<_Tp, _Nm>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:71,
                 from race.cpp:1:
/usr/include/c++/9/tuple:1624:5: note: candidate: 'template<class ... _Elements> void std::swap(std::tuple<_Tps ...>&, std::tuple<_Tps ...>&)'
 1624 |     swap(tuple<_Elements...>& __x, tuple<_Elements...>& __y)
      |     ^~~~
/usr/include/c++/9/tuple:1624:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::tuple<_Tps ...>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/functional:59,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:71,
                 from race.cpp:1:
/usr/include/c++/9/bits/std_function.h:785:5: note: candidate: 'template<class _Res, class ... _Args> void std::swap(std::function<_Res(_ArgTypes ...)>&, std::function<_Res(_ArgTypes ...)>&)'
  785 |     swap(function<_Res(_Args...)>& __x, function<_Res(_Args...)>& __y) noexcept
      |     ^~~~
/usr/include/c++/9/bits/std_function.h:785:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::function<_Res(_ArgTypes ...)>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/bits/locale_conv.h:41,
                 from /usr/include/c++/9/locale:43,
                 from /usr/include/c++/9/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:72,
                 from race.cpp:1:
/usr/include/c++/9/bits/unique_ptr.h:701:5: note: candidate: 'template<class _Tp, class _Dp> void std::swap(std::unique_ptr<_Tp, _Dp>&, std::unique_ptr<_Tp, _Dp>&)'
  701 |     swap(unique_ptr<_Tp, _Dp>& __x,
      |     ^~~~
/usr/include/c++/9/bits/unique_ptr.h:701:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::unique_ptr<_Tp, _Dp>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/list:63,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:79,
                 from race.cpp:1:
/usr/include/c++/9/bits/stl_list.h:2056:5: note: candidate: 'template<class _Tp, class _Alloc> void std::swap(std::__cxx11::list<_Tp, _Alloc>&, std::__cxx11::list<_Tp, _Alloc>&)'
 2056 |     swap(list<_Tp, _Alloc>& __x, list<_Tp, _Alloc>& __y)
      |     ^~~~
/usr/include/c++/9/bits/stl_list.h:2056:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::__cxx11::list<_Tp, _Alloc>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/map:60,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
                 from race.cpp:1:
/usr/include/c++/9/bits/stl_tree.h:1649:5: note: candidate: 'template<class _Key, class _Val, class _KeyOfValue, class _Compare, class _Alloc> void std::swap(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&)'
 1649 |     swap(_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
      |     ^~~~
/usr/include/c++/9/bits/stl_tree.h:1649:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/map:61,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
                 from race.cpp:1:
/usr/include/c++/9/bits/stl_map.h:1507:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> void std::swap(std::map<_Key, _Tp, _Compare, _Alloc>&, std::map<_Key, _Tp, _Compare, _Alloc>&)'
 1507 |     swap(map<_Key, _Tp, _Compare, _Alloc>& __x,
      |     ^~~~
/usr/include/c++/9/bits/stl_map.h:1507:5: note:   template argument deduction/substitution failed:
race.cpp:43:35: note:   'std::vector<int>' is not derived from 'std::map<_Key, _Tp, _Compare, _Alloc>'
   43 |         swap(p[bigchild],swap(p[a])) ;
      |                                   ^
In file included from /usr/include/c++/9/map:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
                 from race.cpp:1:
/usr/include/c++/9/bits/stl_multimap.h:1171:5: note: candidate: 'template<class _Key, class _Tp, class _Compare, class _Alloc> void std::swap(std::multimap<_Key, _Tp, _Compare, _Alloc>&, std::multimap<_Key, _Tp, _Compare, _Alloc>&)'
 1171 |     swap(multimap<_Key, _Tp, _Compare, _Alloc>& __x,
      |     ^~~~
/usr/include/c++/9/bits/stl_multimap.h:1171:5: note:   template argument deduction/substitution failed:
/var/local/lib/i