Submission #891139
Source Code Expand
import java.util.Scanner; class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); while(sc.hasNext()){ int n=sc.nextInt(); int[] a=new int[n]; for(int i=0;i<n;i++) a[i]=sc.nextInt()-1; int ans=0; for(int i=0;i<n;i++){ if(a[a[i]]==i) ans++; } System.out.println(ans/2); } } }
Submission Info
Submission Time | |
---|---|
Task | B - Friendly Rabbits |
User | mits58 |
Language | Java8 (OpenJDK 1.8.0) |
Score | 200 |
Code Size | 356 Byte |
Status | AC |
Exec Time | 472 ms |
Memory | 32656 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 130 ms | 9668 KB |
0_01.txt | AC | 123 ms | 9680 KB |
0_02.txt | AC | 125 ms | 9676 KB |
1_00.txt | AC | 124 ms | 9680 KB |
1_01.txt | AC | 472 ms | 32152 KB |
1_02.txt | AC | 470 ms | 32420 KB |
1_03.txt | AC | 462 ms | 31332 KB |
1_04.txt | AC | 445 ms | 32252 KB |
1_05.txt | AC | 441 ms | 31760 KB |
1_06.txt | AC | 460 ms | 32656 KB |
1_07.txt | AC | 469 ms | 31996 KB |
1_08.txt | AC | 345 ms | 30352 KB |
1_09.txt | AC | 451 ms | 31660 KB |
1_10.txt | AC | 413 ms | 31080 KB |
1_11.txt | AC | 292 ms | 26820 KB |