QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#571937 | #6430. Monster Hunter | xly_tyty# | WA | 88ms | 5900kb | C++17 | 1.2kb | 2024-09-18 10:29:56 | 2024-09-18 10:29:56 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const long long N=2e3+10,INF=1e15;
ll n,m,k,a[N],dp[N][N][2],siz[N],sum[N];
bool st[N];
vector<int>p[N];
void dfs(int u)
{
dp[u][0][0]=0;
dp[u][1][1]=a[u];
siz[u]=1;
sum[u]=a[u];
for(int x:p[u])dp[u][1][1]+=a[x];
for(int x:p[u])
{
dfs(x);
siz[u]+=siz[x];
sum[u]+=sum[x]+a[x];
for(int i=siz[u];i>=0;i--)
{
for(int j=siz[x];j>=0;j--)
{
dp[u][i+j][0]=max(dp[u][i+j][0],dp[u][i][0]+max(dp[x][j][1]+a[x],dp[x][j][0]));
dp[u][i+j][1]=max(dp[u][i+j][1],dp[u][i][1]+max(dp[x][j][1],dp[x][j][0]));
}
}
siz[u]+=siz[x];
}
}
void solve()
{
cin>>n;
for(int i=1;i<=n;i++)p[i].clear();
for(int i=2;i<=n;i++)
{
int x;cin>>x;
p[x].push_back(i);
}
for(int i=1;i<=n;i++)cin>>a[i];
for(int i=0;i<=n;i++)
for(int j=0;j<=n;j++)dp[i][j][0]=dp[i][j][1]=-INF;
dfs(1);
for(int i=0;i<=n-1;i++)cout<<sum[1]-max(dp[1][i][0],dp[1][i][1])<<' ';
cout<<sum[1]-max(dp[1][n][1],dp[1][n][0])<<endl;
}
int main()
{
cin.tie(0), cout.tie(0), ios::sync_with_stdio(false);
int T;cin>>T;
while(T--)solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3708kb
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:
29 16 9 4 1 0 74 47 35 25 15 11 7 3 1 0 145 115 93 73 55 42 32 22 14 8 4 1 0
result:
ok 29 tokens
Test #2:
score: -100
Wrong Answer
time: 88ms
memory: 5900kb
input:
179 20 1 1 1 4 5 5 7 7 9 9 11 12 13 14 5 16 17 16 19 3 9 3 2 7 7 2 8 5 7 5 4 7 4 2 4 9 2 7 9 19 1 1 3 4 3 6 7 6 6 10 10 12 13 13 12 16 16 18 8 8 3 6 10 1 1 1 2 2 3 3 3 10 5 5 7 10 5 2 1 10 4 2 1 2 7 14 1 1 3 4 4 6 4 8 9 10 11 8 13 4 4 6 6 10 8 9 5 7 1 4 7 9 8 6 1 2 3 3 5 2 7 5 6 1 6 11 1 2 3 3 5 6 6...
output:
209 182 159 137 117 99 81 65 56 47 39 32 25 19 15 11 8 6 4 2 0 178 151 129 108 89 74 64 54 44 36 29 23 18 13 10 7 5 2 1 0 18 4 0 16 2 0 172 137 111 93 78 63 49 39 31 23 16 10 5 1 0 52 33 21 9 3 1 0 109 72 53 39 29 22 16 10 5 2 1 0 105 69 47 35 25 17 12 7 3 0 -512 -524 -510 -510 -510 -510 -510 -510 -...
result:
wrong answer 92nd words differ - expected: '156', found: '-512'