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Submission #533185

# Submission time Handle Problem Language Result Execution time Memory
533185 2022-03-05T05:15:15 Z gilbirb Bosses (BOI16_bosses) C++14
100 / 100
 622 ms 648 KB 
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
typedef long long ll;
using namespace std;

ll n, ans = 1e9;
vector<ll>adj[5005];
ll p[5005];

void bfs(ll s){
	memset(p, 0, sizeof(p));
	p[s] = 1;
	queue<ll>q;
	q.push(s);
	while(!q.empty()){
		ll cur = q.front();
		q.pop();
		for(int x : adj[cur]){
			if(!p[x]){
				p[x] = p[cur]+1;
				q.push(x);
			}
		}
	}
	ll total = 0;
	for(int i = 1; i <= n; i++){
		if(!p[i]) return;
		total += p[i];
	}
	ans = min(ans, total);
	return;
}

int main(){
	cin >> n;
	for(int i = 1; i <= n; i++){
		int m;
		cin >> m;
		for(int j = 1; j <= m; j++){
			ll x; cin >> x;
			adj[x].pb(i);
		}
	}
	for(int i = 1; i <= n; i++){
		bfs(i);
	}
	cout << ans << endl;
	
}

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 408 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 408 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 412 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 408 KB Output is correct
11 Correct 1 ms 332 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 408 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 412 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 408 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 5 ms 588 KB Output is correct
13 Correct 4 ms 588 KB Output is correct
14 Correct 121 ms 460 KB Output is correct
15 Correct 10 ms 552 KB Output is correct
16 Correct 499 ms 588 KB Output is correct
17 Correct 617 ms 644 KB Output is correct
18 Correct 622 ms 648 KB Output is correct