Submission #937318

#	Time	Username	Problem	Language	Result	Execution time	Memory
937318		fasdfhasjfaksdfjhalskdjhf	Bosses (BOI16_bosses)	C++14	100 / 100	412 ms	756 KiB

bosses

#include <bits/stdc++.h>
using namespace std;

int main() {
	int N; cin >> N;
	
	vector<vector<int>> workers(N + 1);
	for(int i = 1; i <= N; i++){
		int K; cin >> K;
		while(K--){
			int x; cin >> x;
			workers[x].push_back(i);
		}
	}

	long long final_ans = LONG_LONG_MAX;
	for(int i = 1; i <= N; i++){
		queue<pair<int, int>> q;
		q.push({i, 1});
		
		vector<bool> vis(N + 1, false);
		vis[i] = 1;
		int visited = 1;
		long long ans = 0;
		while(!q.empty()){
			pair<int, int> cur = q.front();
			q.pop();
			for(int j : workers[cur.first]){
				if(vis[j]) continue;
				vis[j] = 1;
				visited++;
				ans += (cur.second + 1);
				q.push({j, cur.second + 1});
			}
		}

		/*cout << visited << "\n";
		for(int j = 1; j <= N; j++){
			cout << j << " " << Tree[j].parent << " " << Tree[j].depth << "\nchildren are : ";
			for(int k : Tree[j].children) cout << k << " ";
			cout << "\n\n";
		}
		cout << "\n\n==============================\n";
		cout << i << " ";*/

		if(visited == N){
			final_ans = min(final_ans, ans);
		}
		else{
			//cout << "Not valid\n\n\n";
		}
	}
	cout << final_ans + 1;
}

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