QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#692941 | #9101. Zayin and Bus | zqx | AC ✓ | 142ms | 11284kb | C++23 | 863b | 2024-10-31 15:16:07 | 2024-10-31 15:16:09 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define AC return 0;
#define pii pair<int,int>
#define all(tar) tar.begin(),tar.end()
const int maxx=1e5+5;
const int mod=998244353;
using namespace std;
int n,m,t,a[maxx],dep[maxx];
vector<int>G[maxx];
void dfs(int u){
for(auto v:G[u]){
dep[v]=dep[u]+1;
dfs(v);
}
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>t;
while(t--){
cin>>n;
for(int i=1;i<=n;i++)G[i].clear();
for(int i=2;i<=n;i++){
int x;
cin>>x;
G[x].push_back(i);
}
for(int i=1;i<=n;i++)cin>>a[i],a[i]=i+a[i];
sort(a+1,a+1+n);
dep[1]=0;
dfs(1);
sort(dep+1,dep+1+n);
reverse(dep+1,dep+1+n);
int ans=0;
for(int i=1;i<=n;i++){
// cout<<a[i]<<" "<<dep[i]<<'\n';
ans=max(ans,dep[i]+a[i]);
}
cout<<ans<<'\n';
}
AC
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5632kb
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: 142ms
memory: 11284kb
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