Submission #865938

# Submission time Handle Problem Language Result Execution time Memory
865938 2023-10-25T04:53:28 Z maks007 Bosses (BOI16_bosses) C++14
67 / 100
1500 ms 1444 KB
#include "bits/stdc++.h"

using namespace std;

#define int long long

signed main () {
	int n, ans = LLONG_MAX;
	cin >> n;
	vector <int> g[n];
	for(int i = 0; i < n; i ++) {
		int sz;
		cin >> sz;
		while(sz --) {
			int v;
			cin >> v;
			g[v-1].push_back(i);
		}
	}
	queue <int> q;
	for(int i = 0; i < n; i ++) {
		vector <int> dist(n, LLONG_MAX);
		dist[i] = 0;
		q.push(i);
		vector <pair <int,int>> temp;
		while(!q.empty()) {
			int v = q.front();
			q.pop();
			for(auto u : g[v]) {
				if(dist[u] == LLONG_MAX) {
					temp.push_back({v, u});
					dist[u] = dist[v] + 1;
					q.push(u);
				}
			}
		}
		if(count(dist.begin(), dist.end(), LLONG_MAX)) continue;
		vector <int> g2[n];
		vector <int> dp(n, 1);
		function <void(int,int)> dfs=[&](int v, int p) {
			for(auto u : g2[v]) {
				if(p == u) continue;
				dfs(u, v);
				dp[v] += dp[u];
			}
		};
		for(auto j : temp) g2[j.first].push_back(j.second);
		dfs(i,-1);
		ans = min(ans, accumulate(dp.begin(), dp.end(), 0LL));
	}
	cout << ans;
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 130 ms 1280 KB Output is correct
15 Correct 27 ms 860 KB Output is correct
16 Correct 600 ms 1048 KB Output is correct
17 Execution timed out 1527 ms 1444 KB Time limit exceeded
18 Halted 0 ms 0 KB -