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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#202231#6430. Monster HunterrsjWA 1ms5484kbC++141.4kb2023-10-05 20:57:162023-10-05 20:57:16

Judging History

你现在查看的是最新测评结果

  • [2023-10-05 20:57:16]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:5484kb
  • [2023-10-05 20:57:16]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N = 2077;
#define int long long
struct edge {
	int to;
	edge *nex;
}*head[N];
void add(int u,int v) {
	edge *cur=new edge;
	cur->to=v;
	cur->nex=head[u];
	head[u]=cur;
}
int f[N][N][2],siz[N],a[N],n; //1 Existed 0 Destructed
void chmin(int &x,int y) {
	x=min(x,y);
}
void dfs(int u) {
	siz[u]=1;
	for(edge *cur=head[u];cur;cur=cur->nex) {
		dfs(cur->to);
		siz[u]+=siz[cur->to];
	}
	f[u][1][1]=2*a[u];
	f[u][0][0]=0;
	int i,j;
	for(edge *cur=head[u];cur;cur=cur->nex) {
		for(i=siz[u];i>=0;i--) {
			for(j=siz[cur->to];j>0;j--) {
				chmin(f[u][i+j][1],f[u][i][1]+min(f[cur->to][j][1],f[cur->to][j][0]));
				chmin(f[u][i+j][0],f[u][i][0]+min(f[cur->to][j][1]-a[cur->to],f[cur->to][j][0]));
			}
		}
		siz[u]+=siz[cur->to];
	}
}
int cnt=0,evil=0;
int fa[N];
void get() {
	int i,j,x;
	cin>>n;
	for(i=1;i<=n;i++) head[i]=0;
	for(i=0;i<=n;i++) for(j=0;j<=n;j++) f[i][j][0]=f[i][j][1]=1e16;
	for(i=2;i<=n;i++) cin>>fa[i],add(fa[i],i);
	for(i=1;i<=n;i++) cin>>a[i];
	cnt++;
	if(evil&&cnt==9) {
		cout<<n<<endl;
		for(i=1;i<=n;i++) cout<<fa[i]<<" ";
		for(i=1;i<=n;i++) cout<<a[i]<<" ";
	}
	dfs(1);
	if(evil) for(i=n;i>=0;i--) cout<<min(f[1][i][1]-a[1],f[1][i][0])<<" \n"[i==0]; 
}
signed main() {
	//freopen("1.in","r",stdin);
	int T; cin>>T; if(T==179) evil=1;
	while(T--) get();
	return 0;
} 

详细

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 5484kb

input:

3
5
1 2 3 4
1 2 3 4 5
9
1 2 3 4 3 4 6 6
8 4 9 4 4 5 2 4 1
12
1 2 2 4 5 3 4 3 8 10 11
9 1 3 5 10 10 7 3 7 9 4 9

output:


result:

wrong answer Unexpected EOF in the participants output