oj.uz

답안 #767618

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
767618 2023-06-26T22:57:47 Z 1ne Bosses (BOI16_bosses) C++14
100 / 100
 447 ms 716 KB 
/*
*  author : Apiram                  
*  created: 27.06.2023 03:25:28
*/
 
#include<bits/stdc++.h>
using namespace std;
 
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int n;cin>>n;
	vector<vector<int>>adj(n);
	for (int i = 0;i<n;++i){
		int k;cin>>k;
		for (int j = 0;j<k;++j){
			int x;cin>>x;
			--x;
			adj[x].push_back(i);
		}
	}
	int pos = 1e9;
	for (int i = 0;i<n;++i){
		queue<int>q;
		int curv = 1;
		vector<int>visited(n,false);
		visited[i] = true;
		int ans = 0;
		vector<int>depth(n,1);
		q.push(i);
		while(!q.empty()){
			auto u = q.front();
			q.pop();
			ans+=depth[u];
			for (const int &x:adj[u]){
				if (!visited[x]){
					visited[x] = true;
					depth[x] += depth[u];
					q.push(x);
					curv++;		
				}	
			}
		}
		if (curv == n){
			pos = min(pos,ans);
		}
	}
	cout<<pos<<'\n';	
	return 0;
}

Subtask #1
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #2
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 85 ms 536 KB Output is correct
15 Correct 13 ms 468 KB Output is correct
16 Correct 431 ms 600 KB Output is correct
17 Correct 447 ms 716 KB Output is correct
18 Correct 435 ms 676 KB Output is correct