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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#748271 | #9101. Zayin and Bus | OOBMABTRAMS# | AC ✓ | 162ms | 13400kb | C++17 | 724b | 2024-11-14 19:52:28 | 2024-11-14 19:52:28 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=200013;
const int P=998244353;
vector<int>mp[N];
int dep[N];
void dfs(int x,int fa) {
dep[x]=dep[fa]+1;
for(auto i:mp[x])if(i^fa)dfs(i,x);
}
int a[N];
void solve(){
int n;
cin>>n;
for(int i=1;i<=n;i++)mp[i].clear();
for(int i=1,x;i<n;i++)cin>>x,mp[x].push_back(i+1),mp[i+1].push_back(x);
for(int i=1;i<=n;i++)cin>>a[i],a[i]+=i;
sort(a+1,a+n+1);
dfs(1,0);
int ans=0;
sort(dep+1,dep+n+1,greater<>());
for(int i=1;i<=n;i++)ans=max(ans,dep[i]+a[i]-1);
cout<<ans<<'\n';
}
int main(){
ios::sync_with_stdio(false);
int T=1;
cin>>T;
while(T--)solve();
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 9440kb
input:
14 1 1 1 2 1 3 2 1 1 1 2 1 1 2 2 1 2 1 2 1 1 3 2 1 3 1 2 1 1 4 2 1 4 1 3 1 1 1 1 1 3 1 2 1 1 1 3 1 1 1 3 2 3 1 2 1 3 2
output:
2 3 4 3 4 4 5 4 6 5 4 4 6 6
result:
ok 14 lines
Test #2:
score: 0
Accepted
time: 162ms
memory: 13400kb
input:
15 1000 1 2 2 1 1 1 4 8 1 7 7 7 9 3 4 7 15 18 18 4 6 11 19 7 6 1 9 13 2 21 28 6 17 24 24 2 28 5 32 24 23 8 3 26 15 28 25 34 46 41 33 16 46 11 7 2 13 53 12 59 52 53 51 52 31 41 63 18 55 49 55 62 15 19 23 67 18 37 2 4 23 75 58 55 14 84 20 3 7 89 82 15 53 77 60 25 97 69 5 40 54 24 72 10 87 90 99 43 71 ...
output:
98572828 100088663 99870474 100076153 99995412 100076982 99971239 100079684 99928633 100093408 99432584 100093568 99620300 100058966 99565256
result:
ok 15 lines