#include <bits/stdc++.h>
using namespace std;
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n,x;
cin>>n;
vector<vector<int>>g(n+1);
vector<int>utak(n+1,0);
for(int i=1; i<=n; i++)
{
cin>>x;
g[x].push_back(i);
utak[i]=x;
}
int maxdb=0,db,k;
vector<int>volt(n+1,0);
for(int i=1; i<=n; i++)
{
x=i;
fill(volt.begin(),volt.end(),0);
volt[x]++;
while(volt[x]<2)
{
x=utak[x];
volt[x]++;
}
db=accumulate(volt.begin(),volt.end(),0)-1;
if(db>maxdb)
{
k=i;
maxdb=db;
}
}
cout<<k<<" "<<maxdb;
return 0;
}
| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 1ms | 316 KiB | ||||
| subtask2 | 20/20 | ||||||
| 2 | Accepted | 4ms | 316 KiB | ||||
| 3 | Accepted | 4ms | 316 KiB | ||||
| 4 | Accepted | 6ms | 316 KiB | ||||
| 5 | Accepted | 6ms | 316 KiB | ||||
| 6 | Accepted | 6ms | 316 KiB | ||||
| 7 | Accepted | 7ms | 364 KiB | ||||
| 8 | Accepted | 8ms | 316 KiB | ||||
| 9 | Accepted | 9ms | 508 KiB | ||||
| 10 | Accepted | 4ms | 508 KiB | ||||
| 11 | Accepted | 8ms | 568 KiB | ||||
| 12 | Accepted | 8ms | 548 KiB | ||||
| subtask3 | 0/18 | ||||||
| 13 | Time limit exceeded | 589ms | 12852 KiB | ||||
| 14 | Time limit exceeded | 589ms | 12732 KiB | ||||
| 15 | Time limit exceeded | 589ms | 12772 KiB | ||||
| 16 | Time limit exceeded | 591ms | 12864 KiB | ||||
| 17 | Time limit exceeded | 589ms | 12852 KiB | ||||
| 18 | Time limit exceeded | 591ms | 12792 KiB | ||||
| 19 | Time limit exceeded | 591ms | 12852 KiB | ||||
| 20 | Time limit exceeded | 591ms | 12852 KiB | ||||
| 21 | Time limit exceeded | 583ms | 13024 KiB | ||||
| 22 | Time limit exceeded | 583ms | 12852 KiB | ||||
| subtask4 | 0/42 | ||||||
| 23 | Accepted | 1ms | 508 KiB | ||||
| 24 | Accepted | 4ms | 316 KiB | ||||
| 25 | Accepted | 4ms | 316 KiB | ||||
| 26 | Accepted | 6ms | 316 KiB | ||||
| 27 | Accepted | 6ms | 316 KiB | ||||
| 28 | Accepted | 6ms | 316 KiB | ||||
| 29 | Accepted | 7ms | 364 KiB | ||||
| 30 | Accepted | 8ms | 316 KiB | ||||
| 31 | Accepted | 9ms | 508 KiB | ||||
| 32 | Accepted | 4ms | 508 KiB | ||||
| 33 | Accepted | 8ms | 568 KiB | ||||
| 34 | Accepted | 8ms | 548 KiB | ||||
| 35 | Time limit exceeded | 589ms | 12852 KiB | ||||
| 36 | Time limit exceeded | 589ms | 12732 KiB | ||||
| 37 | Time limit exceeded | 589ms | 12772 KiB | ||||
| 38 | Time limit exceeded | 591ms | 12864 KiB | ||||
| 39 | Time limit exceeded | 589ms | 12852 KiB | ||||
| 40 | Time limit exceeded | 591ms | 12792 KiB | ||||
| 41 | Time limit exceeded | 591ms | 12852 KiB | ||||
| 42 | Time limit exceeded | 591ms | 12852 KiB | ||||
| 43 | Time limit exceeded | 583ms | 13024 KiB | ||||
| 44 | Time limit exceeded | 583ms | 12852 KiB | ||||
| 45 | Time limit exceeded | 583ms | 10796 KiB | ||||
| 46 | Time limit exceeded | 584ms | 10548 KiB | ||||
| 47 | Time limit exceeded | 583ms | 10548 KiB | ||||
| 48 | Time limit exceeded | 600ms | 10440 KiB | ||||
| 49 | Time limit exceeded | 584ms | 10452 KiB | ||||
| 50 | Time limit exceeded | 586ms | 10548 KiB | ||||
| 51 | Time limit exceeded | 587ms | 11064 KiB | ||||
| 52 | Time limit exceeded | 601ms | 11060 KiB | ||||
| 53 | Time limit exceeded | 575ms | 10548 KiB | ||||
| 54 | Time limit exceeded | 575ms | 10548 KiB | ||||