QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#674292 | #9101. Zayin and Bus | ucup-team5071# | AC ✓ | 180ms | 10356kb | C++20 | 829b | 2024-10-25 14:59:17 | 2024-10-25 14:59:17 |
Judging History
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
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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