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Submission #947569

# Submission time Handle Problem Language Result Execution time Memory
947569 2024-03-16T12:16:54 Z blacktulip Bosses (BOI16_bosses) C++17
100 / 100
 943 ms 1144 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long lo;

#define fi first
#define se second
#define endl "\n"
#define int long long
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
#define _ << " " <<

const lo inf = 1000000000;
const lo li = 5005;
const lo mod = 1000000007;

int n,m,a[li],k,flag,t,dp[li],vis[li];
int cev;
string s;
vector<int> v[li],vv[li];

inline void dfs(int node,int ata){
	dp[node]=1;
	for(auto go:vv[node]){
		if(go==ata)continue;
		dfs(go,node);
		dp[node]+=dp[go];
	}
	//~ cout<<node _ dp[node]<<endl;
}

int32_t main(void){
	fio();
	cin>>n;
	FOR{
		cin>>k;
		for(int j=1;j<=k;j++){
			int x;
			cin>>x;
			v[x].pb(i);
		}
	}
	cev=1000000000000000000;
	FOR{
		queue<int> q;
		q.push(i);
		memset(vis,0,sizeof(vis));
		for(int j=1;j<=n;j++)vv[j].clear();
		int say=0;
		while(q.size()){
			say++;
			int node=q.front();
			q.pop();
			vis[node]=1;
			for(auto go:v[node]){
				if(vis[go])continue;
				vis[go]=1;
				vv[node].pb(go);
				q.push(go);
			}
		}
		if(say!=n){continue;}
		int sum=0;
		dfs(i,0);
		for(int j=1;j<=n;j++)sum+=dp[j];
		cev=min(cev,sum);
	}
	cout<<cev<<endl;
	return 0;
}

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 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 1 ms 604 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 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 1 ms 604 KB Output is correct
7 Correct 1 ms 600 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 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 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 1 ms 604 KB Output is correct
7 Correct 1 ms 600 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 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 4 ms 860 KB Output is correct
13 Correct 4 ms 860 KB Output is correct
14 Correct 143 ms 948 KB Output is correct
15 Correct 20 ms 960 KB Output is correct
16 Correct 582 ms 1124 KB Output is correct
17 Correct 917 ms 1140 KB Output is correct
18 Correct 943 ms 1144 KB Output is correct