oj.uz

답안 #79523

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
79523 2018-10-15T01:30:31 Z Dat160601 Bosses (BOI16_bosses) C++17
100 / 100
 619 ms 948 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
int n,x,u,v,ans=1e9;
vector <int> edge[5007];
int vis[5007];
void go(int root){
	queue <int> q;
	q.push(root);
	vis[root]=1;
	int ret=0, cnt=0;
	while(!q.empty()){
		int u=q.front();
		cnt++;
		q.pop();
		ret+=vis[u];
		for(int v:edge[u]){
			if(!vis[v]){
				vis[v]=vis[u]+1;
				q.push(v);
			}
		}
	}
	if(cnt==n) ans=min(ans,ret);
}
int main(){
	ios_base::sync_with_stdio(0);
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>x;
		while(x>0){
			x--;
			cin>>v;
			edge[v].pb(i);
		}
	}
	for(int i=1;i<=n;i++){
		memset(vis,0,sizeof(vis));
		go(i);
	}
	cout<<ans;
}

Subtask #1
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 636 KB Output is correct
3 Correct 2 ms 636 KB Output is correct
4 Correct 2 ms 636 KB Output is correct
5 Correct 2 ms 636 KB Output is correct
6 Correct 2 ms 636 KB Output is correct

Subtask #2
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 636 KB Output is correct
3 Correct 2 ms 636 KB Output is correct
4 Correct 2 ms 636 KB Output is correct
5 Correct 2 ms 636 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 636 KB Output is correct
8 Correct 2 ms 636 KB Output is correct
9 Correct 2 ms 636 KB Output is correct
10 Correct 3 ms 636 KB Output is correct
11 Correct 2 ms 704 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 636 KB Output is correct
3 Correct 2 ms 636 KB Output is correct
4 Correct 2 ms 636 KB Output is correct
5 Correct 2 ms 636 KB Output is correct
6 Correct 2 ms 636 KB Output is correct
7 Correct 2 ms 636 KB Output is correct
8 Correct 2 ms 636 KB Output is correct
9 Correct 2 ms 636 KB Output is correct
10 Correct 3 ms 636 KB Output is correct
11 Correct 2 ms 704 KB Output is correct
12 Correct 6 ms 704 KB Output is correct
13 Correct 5 ms 704 KB Output is correct
14 Correct 120 ms 704 KB Output is correct
15 Correct 7 ms 888 KB Output is correct
16 Correct 615 ms 888 KB Output is correct
17 Correct 619 ms 888 KB Output is correct
18 Correct 590 ms 948 KB Output is correct