QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#692941#9101. Zayin and BuszqxAC ✓142ms11284kbC++23863b2024-10-31 15:16:072024-10-31 15:16:09

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 15:16:09]
  • 评测
  • 测评结果:AC
  • 用时:142ms
  • 内存:11284kb
  • [2024-10-31 15:16:07]
  • 提交

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

Tip: Click on the bar to expand more detailed information

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