제출 #1303343

#제출 시각아이디문제언어결과실행 시간메모리
1303343zbyszkoBosses (BOI16_bosses)C++20
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; using ull = unsigned long long; using ll = long long; #define x first #define y second vector<int> adj[5001]; bool visit[5001]; int dp[5001]; ll bdfs(int f,int n){ memset(visit,false,5001); memset(dp,0,5001); vector<vector<int>> ch(n+1); int used=0; queue<int> q; q.push(f); visit[f]=true; used++; int v; while(!q.empty()){ v=q.front(); q.pop(); for(int c:adj[v]){ if(!visit[c]){ visit[c]=true; ch[v].push_back(c); used++; q.push(c); } } } if(used<n){ return LLONG_MAX; } ll sum=0; stack<tuple<int,int,bool>> s; s.push({f,-1,0}); visit[f]=true; while(!s.empty()){ auto [v,p,st]=s.top(); s.pop(); if(st==0){ s.push({v,p,1}); for(int c:ch[v]){ if(c==p) continue; s.push({c,v,0}); } } else{ dp[v]=1; for(int c:ch[v]){ if(c!=p){ dp[v]+=dp[c]; } } sum+=dp[v]; } } return sum; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0);cout.tie(0); int n;cin >> n; for(int i=1,k;i<=n;i++){ cin >> k; for(int j=0,v;j<k;j++){ cin >> v; adj[v].push_back(i); } } ll sum=LLONG_MAX; for(int i=1;i<=n;i++){ sum=min(sum,bdfs(i,n)); } cout << sum; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

bosses.cpp: In function 'll bdfs(int, int)':
bosses.cpp:14:12: error: reference to 'visit' is ambiguous
   14 |     memset(visit,false,5001);
      |            ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:80,
                 from bosses.cpp:1:
/usr/include/c++/13/variant:1891:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1891 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
/usr/include/c++/13/variant:1851:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1851 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
bosses.cpp:10:6: note:                 'bool visit [5001]'
   10 | bool visit[5001];
      |      ^~~~~
bosses.cpp:20:5: error: reference to 'visit' is ambiguous
   20 |     visit[f]=true;
      |     ^~~~~
/usr/include/c++/13/variant:1891:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1891 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
/usr/include/c++/13/variant:1851:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1851 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
bosses.cpp:10:6: note:                 'bool visit [5001]'
   10 | bool visit[5001];
      |      ^~~~~
bosses.cpp:27:17: error: reference to 'visit' is ambiguous
   27 |             if(!visit[c]){
      |                 ^~~~~
/usr/include/c++/13/variant:1891:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1891 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
/usr/include/c++/13/variant:1851:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1851 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
bosses.cpp:10:6: note:                 'bool visit [5001]'
   10 | bool visit[5001];
      |      ^~~~~
bosses.cpp:28:17: error: reference to 'visit' is ambiguous
   28 |                 visit[c]=true;
      |                 ^~~~~
/usr/include/c++/13/variant:1891:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1891 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
/usr/include/c++/13/variant:1851:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1851 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
bosses.cpp:10:6: note:                 'bool visit [5001]'
   10 | bool visit[5001];
      |      ^~~~~
bosses.cpp:41:5: error: reference to 'visit' is ambiguous
   41 |     visit[f]=true;
      |     ^~~~~
/usr/include/c++/13/variant:1891:5: note: candidates are: 'template<class _Res, class _Visitor, class ... _Variants> constexpr _Res std::visit(_Visitor&&, _Variants&& ...)'
 1891 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
/usr/include/c++/13/variant:1851:5: note:                 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1851 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
bosses.cpp:10:6: note:                 'bool visit [5001]'
   10 | bool visit[5001];
      |      ^~~~~