QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#504774#9101. Zayin and BusFolity#AC ✓141ms10064kbC++20688b2024-08-04 15:50:062024-08-04 15:50:06

Judging History

你现在查看的是最新测评结果

  • [2024-08-04 15:50:06]
  • 评测
  • 测评结果:AC
  • 用时:141ms
  • 内存:10064kb
  • [2024-08-04 15:50:06]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

const int N=1e5+5;
int n,p[N],a[N];
vector<int> e[N];
void adde(int x,int y){
    e[x].push_back(y);
}
int dep[N];
void dfs(int u){
    for(int v:e[u])dep[v]=dep[u]+1,dfs(v);
}

void solve(){
    cin>>n;
    for(int i=1;i<=n;++i)e[i].clear();
    for(int i=2;i<=n;++i)cin>>p[i],adde(p[i],i);
    for(int i=1;i<=n;++i)cin>>a[i],a[i]+=i;
    sort(a+1,a+n+1);
    dfs(1);
    sort(dep+1,dep+n+1);
    int ans=0;
    for(int i=1;i<=n;++i)ans=max(ans,a[i]+dep[n-i+1]);
    cout<<ans<<'\n';
}

int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    int T;
    cin>>T;
    while(T--)solve();
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 5724kb

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: 141ms
memory: 10064kb

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