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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#504481 | #9101. Zayin and Bus | urayaha_yahaura# | AC ✓ | 97ms | 9820kb | C++14 | 937b | 2024-08-04 13:24:19 | 2024-08-04 13:24:22 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int read(){
char c;int res=0;
while(!isdigit(c=getchar()));
res=c-'0';
while(isdigit(c=getchar()))
res=res*10+c-'0';
return res;
}
#define out(x) cerr<<#x<<'='<<x<<' '
#define outln(x) cerr<<#x<<"="<<x<<"\n"
const int N=100005;
int dep[N]; vector<int> G[N];
int n,a[N];
void dfs(int u){
for(auto &v : G[u]){
dep[v]=dep[u]+1;
dfs(v);
}
}
void init(){
n=read();
for(int i=1;i<=n;i++) G[i].clear();
for(int i=2;i<=n;i++){
int x=read();
G[x].push_back(i);
}
for(int i=1;i<=n;i++) a[i]=read()+i;
dfs(1);
}
void solve(){
sort(a+1,a+n+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]);
printf("%d\n",ans);
}
int main(){
int T=read();
while(T--){init(); solve();}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 6152kb
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: 97ms
memory: 9820kb
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