oj.uz

답안 #936231

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
936231 2024-03-01T12:54:43 Z adkjt Bosses (BOI16_bosses) C++14
100 / 100
 487 ms 804 KB 
#include<bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define f first
#define s second
#define ll long long
vector<int> g[5555];
int vis[5555];
queue<pii> qu;

int main()
{
    cin.tie()->sync_with_stdio(0);
    int n;cin>>n;
    for(int i=1;i<=n;i++)
    {
        int m;cin>>m;
        for(int j=1;j<=m;j++)
        {
            int k;cin>>k;
            g[k].push_back(i);
        }
    }
    ll ans=1e18;
    for(int i=1;i<=n;i++)
    {
        memset(vis,0,sizeof vis);
        qu.push({i,1});ll cnt=1;
        int ch=1;
        vis[i]=1;
        //cout<<'\n'<<i<<'\n';
        while(!qu.empty())
        {
            pii now=qu.front();
            qu.pop();
            for(auto x:g[now.f])
            {
                if(vis[x]) continue;
                vis[x]=1;
                ch++;
                //cout<<now.f<<' '<<x<<'\n';
                qu.push({x,now.s+1});
                cnt+=now.s+1;
                //cout<<cnt<<'\n';
            }
        }
        if(ch<n) continue;
        ans=min(cnt,ans);
       // cout<<ans<<' '<<i<<'\n';
    }
    cout<<ans;
    return 0;
}

Subtask #1
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct

Subtask #2
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 608 KB Output is correct
11 Correct 1 ms 604 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 608 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 3 ms 604 KB Output is correct
14 Correct 101 ms 696 KB Output is correct
15 Correct 4 ms 604 KB Output is correct
16 Correct 487 ms 788 KB Output is correct
17 Correct 386 ms 604 KB Output is correct
18 Correct 418 ms 804 KB Output is correct