Submission #723765

#	Time	Username	Problem	Language	Result	Execution time	Memory
723765		yahyobekabdunazarov	Bosses (BOI16_bosses)	C++17	0 / 100	1 ms	596 KiB

bosses

#include <bits/stdc++.h>
#define int long long
using namespace std;
vector<int> adj[10009], used(10009);
int ans = 0, anss = 0;
int dfs(int u){
	int ans = 0;
	for(int i: adj[u]){
		if(!used[i]){
			used[i] = 1;
			ans += dfs(i) + 1;
		}
	}
	anss += ans;
	if(!ans) return 0;
	return ans;
}
signed main(){ 
	int n;
	cin >> n;
	for(int i = 0; i < n; i++){
		int x; cin >> x;
		for(int j = 0; j < x; j++){
			int a;
			cin >> a;
			adj[a].push_back(i + 1);
		}
	}
	int mn = INT_MAX;
	for(int i = 1; i <= n; i++){
		ans = 0, anss = 0;
		dfs(i);
		mn = min(anss, mn);		
		fill(used.begin(), used.end(), 0);
	}
	cout << mn;
	return 0;
}

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