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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#748271#9101. Zayin and BusOOBMABTRAMS#AC ✓162ms13400kbC++17724b2024-11-14 19:52:282024-11-14 19:52:28

Judging History

你现在查看的是最新测评结果

  • [2024-11-14 19:52:28]
  • 评测
  • 测评结果:AC
  • 用时:162ms
  • 内存:13400kb
  • [2024-11-14 19:52:28]
  • 提交

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();
}

Details

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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