QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#674292#9101. Zayin and Busucup-team5071#AC ✓180ms10356kbC++20829b2024-10-25 14:59:172024-10-25 14:59:17

Judging History

你现在查看的是最新测评结果

  • [2024-10-25 14:59:17]
  • 评测
  • 测评结果:AC
  • 用时:180ms
  • 内存:10356kb
  • [2024-10-25 14:59:17]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
void Solve(){   
    int n;
    cin>>n;
    vector<vector<int>> e(n+1);
    vector<int> a(n+1),dep(n+1),f(n+1); 
    for(int i=2;i<=n;i++){
        int x;
        cin>>x;
        e[i].push_back(x),e[x].push_back(i);
    }
    for(int i=1;i<=n;i++)cin>>a[i],a[i]+=i;
    sort(a.begin()+1,a.end());
    auto dfs=[&](auto&& self,int x,int fa)->void{
        for(auto y:e[x]){
            if(y==fa)continue;
            dep[y]=dep[x]+1;
            self(self,y,x);
        }
    };
    dfs(dfs,1,0);
    sort(dep.begin()+1,dep.end());
    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(false),cin.tie(0);
    int T;
    cin>>T;
    while(T--)Solve();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3536kb

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: 180ms
memory: 10356kb

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