Submission #969790

#	Time	Username	Problem	Language	Result	Execution time	Memory
969790		vjudge1	Bosses (BOI16_bosses)	C++14	0 / 100	1 ms	600 KiB

bosses

#include <bits/stdc++.h>

using namespace std;
int n,a,b,mn=INT_MAX;
vector<int> v[5005];
bool visited[5005];
queue<pair<int,int>> q;
int main()
{
    cin.tie(0)->sync_with_stdio(0);
    cin >> n;
    for(int i=1;i<=n;i++){
        cin >> a;
        for(int j=0;j<a;j++) cin >> b,v[b].push_back(a);
    }
    for(int i=1;i<=n;i++){
        q.push({1,i});
        int sum=0,cnt=0;
        memset(visited,0,sizeof(visited));
        while(!q.empty()){
            int now=q.front().second,cost=q.front().first; q.pop();
            if(visited[now]) continue; visited[now]=1;
            sum+=cost; cnt++;
            for(auto e:v[now]) if(!visited[e]) q.push({cost+1,e});
        }
        if(cnt==n) mn=min(mn,sum);
    }
    cout << mn;
    return 0;
}

Compilation message (stderr)

bosses.cpp: In function 'int main()':
bosses.cpp:22:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   22 |             if(visited[now]) continue; visited[now]=1;
      |             ^~
bosses.cpp:22:40: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   22 |             if(visited[now]) continue; visited[now]=1;
      |                                        ^~~~~~~

• Subtask 1: 0 / 22
• Subtask 2: 0 / 45
• Subtask 3: 0 / 33