| 21356 | 2026-01-12 19:57:17 | ercseferenc | Hírlánc | cpp17 | Accepted 80/80 | 82ms | 2040 KiB |
#include <bits/stdc++.h>
using namespace std;
int main()
{
//ifstream f("szamok.txt");
int n; cin>>n; vector<int>a(n+1);
vector<bool>kez(n+1,0);
vector<bool>volt(n+1,0);
vector<int>megy;
vector<int>hossz(n+1,0);
for(int i=1; i<=n; i++){cin>>a[i]; kez[a[i]]=1;}
for(int i=1; i<=n; i++)
if(hossz[i]==0)
{
int s=0,t=i;
while(!volt[t] && hossz[t]==0){s++; volt[t]=1; t=a[t];}
int uts=t;
t=i;
while(t!=uts){hossz[t]=s+hossz[uts]; s--; t=a[t];}
if(hossz[uts]==0){
hossz[uts]=s;
t=uts; t=a[t];
while(t!=uts){hossz[t]=s; t=a[t];}}}
int maxi=0, maxind;
for(int i=1; i<=n; i++){
if(hossz[i]>maxi){maxi=hossz[i]; maxind=i;}}
cout<<maxind<<" "<<maxi;
//for(int i:hossz)cout<<i<<" ";
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 | 1ms | 508 KiB | ||||
| 4 | Accepted | 1ms | 500 KiB | ||||
| 5 | Accepted | 2ms | 500 KiB | ||||
| 6 | Accepted | 2ms | 316 KiB | ||||
| 7 | Accepted | 2ms | 508 KiB | ||||
| 8 | Accepted | 1ms | 316 KiB | ||||
| 9 | Accepted | 2ms | 316 KiB | ||||
| 10 | Accepted | 2ms | 316 KiB | ||||
| 11 | Accepted | 1ms | 508 KiB | ||||
| 12 | Accepted | 1ms | 424 KiB | ||||
| subtask3 | 18/18 | ||||||
| 13 | Accepted | 79ms | 2032 KiB | ||||
| 14 | Accepted | 78ms | 2028 KiB | ||||
| 15 | Accepted | 79ms | 2028 KiB | ||||
| 16 | Accepted | 79ms | 1844 KiB | ||||
| 17 | Accepted | 81ms | 1844 KiB | ||||
| 18 | Accepted | 82ms | 1852 KiB | ||||
| 19 | Accepted | 79ms | 2036 KiB | ||||
| 20 | Accepted | 82ms | 2036 KiB | ||||
| 21 | Accepted | 82ms | 1844 KiB | ||||
| 22 | Accepted | 79ms | 1844 KiB | ||||
| subtask4 | 42/42 | ||||||
| 23 | Accepted | 1ms | 316 KiB | ||||
| 24 | Accepted | 2ms | 316 KiB | ||||
| 25 | Accepted | 1ms | 508 KiB | ||||
| 26 | Accepted | 1ms | 500 KiB | ||||
| 27 | Accepted | 2ms | 500 KiB | ||||
| 28 | Accepted | 2ms | 316 KiB | ||||
| 29 | Accepted | 2ms | 508 KiB | ||||
| 30 | Accepted | 1ms | 316 KiB | ||||
| 31 | Accepted | 2ms | 316 KiB | ||||
| 32 | Accepted | 2ms | 316 KiB | ||||
| 33 | Accepted | 1ms | 508 KiB | ||||
| 34 | Accepted | 1ms | 424 KiB | ||||
| 35 | Accepted | 79ms | 2032 KiB | ||||
| 36 | Accepted | 78ms | 2028 KiB | ||||
| 37 | Accepted | 79ms | 2028 KiB | ||||
| 38 | Accepted | 79ms | 1844 KiB | ||||
| 39 | Accepted | 81ms | 1844 KiB | ||||
| 40 | Accepted | 82ms | 1852 KiB | ||||
| 41 | Accepted | 79ms | 2036 KiB | ||||
| 42 | Accepted | 82ms | 2036 KiB | ||||
| 43 | Accepted | 82ms | 1844 KiB | ||||
| 44 | Accepted | 79ms | 1844 KiB | ||||
| 45 | Accepted | 78ms | 2040 KiB | ||||
| 46 | Accepted | 79ms | 1844 KiB | ||||
| 47 | Accepted | 79ms | 1844 KiB | ||||
| 48 | Accepted | 78ms | 1844 KiB | ||||
| 49 | Accepted | 79ms | 1844 KiB | ||||
| 50 | Accepted | 79ms | 1844 KiB | ||||
| 51 | Accepted | 79ms | 1844 KiB | ||||
| 52 | Accepted | 78ms | 1848 KiB | ||||
| 53 | Accepted | 79ms | 1844 KiB | ||||
| 54 | Accepted | 79ms | 1852 KiB | ||||