Submission #1303536

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303536		ffeyyaae_	Bosses (BOI16_bosses)	C++20	Compilation error	0 ms	0 KiB

bosses

#include <bits/stdc++.h>

using namespace std;

const int N = 5005;

int n;
vector<int> child[N], adj[N];
bool visit[N];
int sal[N];

void dfs( int u )
{
    sal[u] = 1;
    for( auto v : adj[u] )
    {
        dfs(v);
        sal[u] += sal[v];
    }
}

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin >> n;
    for( int i=1;i<=n;i++ )
    {
        int k;
        cin >> k;
        for( int j=0;j<k;j++ )
        {
            int a;
            cin >> a;
            child[a].push_back(i);
        }
    }
    int mn = 1e9;
    for( int i=1;i<=n;i++ )
    {
        fill( visit+1, visit+n+1, false );
        visit[i] = true;
        queue<int> q;
        q.push(i);
        while( !q.empty() )
        {
            int node = q.front();
            q.pop();
            adj[node].clear();
            for( int cur : child[node] )
            {
                if( visit[cur] ) continue;
                visit[cur] = true;
                adj[node].push_back(cur);
                q.push(cur);
            }
        }
        bool chk = false;
        for( int j=1;j<=n;j++ )
        {
            if( !visit[j] )
            {
                chk = true;
                break;
            }
        }
        if( chk ) continue;
        dfs(i);
        int sum = 0;
        for( int j=1;j<=n;j++ ) sum += sal[j];
        mn = min( mn, sum );
    }
    cout << mn << "\n";
    return 0;
}

Compilation message (stderr)

bosses.cpp: In function 'int main()':
bosses.cpp:40:15: error: reference to 'visit' is ambiguous
   40 |         fill( visit+1, visit+n+1, false );
      |               ^~~~~
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:9:6: note:                 'bool visit [5005]'
    9 | bool visit[N];
      |      ^~~~~
bosses.cpp:40:24: error: reference to 'visit' is ambiguous
   40 |         fill( visit+1, visit+n+1, false );
      |                        ^~~~~
/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:9:6: note:                 'bool visit [5005]'
    9 | bool visit[N];
      |      ^~~~~
bosses.cpp:41:9: error: reference to 'visit' is ambiguous
   41 |         visit[i] = 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:9:6: note:                 'bool visit [5005]'
    9 | bool visit[N];
      |      ^~~~~
bosses.cpp:51:21: error: reference to 'visit' is ambiguous
   51 |                 if( visit[cur] ) continue;
      |                     ^~~~~
/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:9:6: note:                 'bool visit [5005]'
    9 | bool visit[N];
      |      ^~~~~
bosses.cpp:52:17: error: reference to 'visit' is ambiguous
   52 |                 visit[cur] = 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:9:6: note:                 'bool visit [5005]'
    9 | bool visit[N];
      |      ^~~~~
bosses.cpp:60:18: error: reference to 'visit' is ambiguous
   60 |             if( !visit[j] )
      |                  ^~~~~
/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:9:6: note:                 'bool visit [5005]'
    9 | bool visit[N];
      |      ^~~~~