#include <bits/stdc++.h>
using namespace std;
struct ember
{
int kinek, sorszam;
};
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
cin>>n;
ember t[n];
for(int i=0; i<n; i++)
{
cin>>t[i].kinek;
t[i].sorszam=i;
}
vector <bool> v1(n,false);
int eddigi_leghosszabb=0, mostani_ember, legjobb_kezdes;
vector <int> v;
for(int i=0;i<n;i++)
{ v.clear();
v1.clear();
v1.assign(n,false);
mostani_ember=t[i].kinek;
v.push_back(t[i].sorszam);
while(v1[v.back()]==false)
{ v1[v.back()]=true;
v.push_back(t[mostani_ember-1].sorszam);
mostani_ember=t[mostani_ember-1].kinek;
}
if(v.size()>eddigi_leghosszabb)
{
legjobb_kezdes=v.front();
eddigi_leghosszabb=v.size();
}
}
cout << legjobb_kezdes+1 << " " << eddigi_leghosszabb-1;
return 0;
}
| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 1ms | 316 KiB | ||||
| subtask2 | 20/20 | ||||||
| 2 | Accepted | 2ms | 316 KiB | ||||
| 3 | Accepted | 2ms | 316 KiB | ||||
| 4 | Accepted | 2ms | 500 KiB | ||||
| 5 | Accepted | 3ms | 316 KiB | ||||
| 6 | Accepted | 3ms | 436 KiB | ||||
| 7 | Accepted | 3ms | 428 KiB | ||||
| 8 | Accepted | 4ms | 316 KiB | ||||
| 9 | Accepted | 6ms | 444 KiB | ||||
| 10 | Accepted | 2ms | 316 KiB | ||||
| 11 | Accepted | 4ms | 440 KiB | ||||
| 12 | Accepted | 4ms | 316 KiB | ||||
| subtask3 | 0/18 | ||||||
| 13 | Accepted | 264ms | 1756 KiB | ||||
| 14 | Time limit exceeded | 577ms | 2076 KiB | ||||
| 15 | Time limit exceeded | 578ms | 1856 KiB | ||||
| 16 | Time limit exceeded | 578ms | 1944 KiB | ||||
| 17 | Time limit exceeded | 591ms | 2356 KiB | ||||
| 18 | Time limit exceeded | 584ms | 2484 KiB | ||||
| 19 | Time limit exceeded | 584ms | 2488 KiB | ||||
| 20 | Time limit exceeded | 584ms | 2496 KiB | ||||
| 21 | Time limit exceeded | 587ms | 3184 KiB | ||||
| 22 | Time limit exceeded | 587ms | 3000 KiB | ||||
| subtask4 | 0/42 | ||||||
| 23 | Accepted | 1ms | 512 KiB | ||||
| 24 | Accepted | 2ms | 316 KiB | ||||
| 25 | Accepted | 2ms | 316 KiB | ||||
| 26 | Accepted | 2ms | 500 KiB | ||||
| 27 | Accepted | 3ms | 316 KiB | ||||
| 28 | Accepted | 3ms | 436 KiB | ||||
| 29 | Accepted | 3ms | 428 KiB | ||||
| 30 | Accepted | 4ms | 316 KiB | ||||
| 31 | Accepted | 6ms | 444 KiB | ||||
| 32 | Accepted | 2ms | 316 KiB | ||||
| 33 | Accepted | 4ms | 440 KiB | ||||
| 34 | Accepted | 4ms | 316 KiB | ||||
| 35 | Accepted | 264ms | 1756 KiB | ||||
| 36 | Time limit exceeded | 577ms | 2076 KiB | ||||
| 37 | Time limit exceeded | 578ms | 1856 KiB | ||||
| 38 | Time limit exceeded | 578ms | 1944 KiB | ||||
| 39 | Time limit exceeded | 591ms | 2356 KiB | ||||
| 40 | Time limit exceeded | 584ms | 2484 KiB | ||||
| 41 | Time limit exceeded | 584ms | 2488 KiB | ||||
| 42 | Time limit exceeded | 584ms | 2496 KiB | ||||
| 43 | Time limit exceeded | 587ms | 3184 KiB | ||||
| 44 | Time limit exceeded | 587ms | 3000 KiB | ||||
| 45 | Accepted | 178ms | 1844 KiB | ||||
| 46 | Time limit exceeded | 583ms | 1844 KiB | ||||
| 47 | Time limit exceeded | 583ms | 1844 KiB | ||||
| 48 | Time limit exceeded | 600ms | 1844 KiB | ||||
| 49 | Time limit exceeded | 573ms | 2100 KiB | ||||
| 50 | Time limit exceeded | 587ms | 2096 KiB | ||||
| 51 | Time limit exceeded | 587ms | 2100 KiB | ||||
| 52 | Time limit exceeded | 600ms | 2224 KiB | ||||
| 53 | Time limit exceeded | 583ms | 2356 KiB | ||||
| 54 | Time limit exceeded | 580ms | 2480 KiB | ||||