Submission #3450715
Source Code Expand
import java.util.Scanner; class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = sc.nextInt(), a[][] = new int[N][2], ans = 0, tmp = 0; for (int i = 0; i < N; ++i) a[i][0] = sc.nextInt(); sc.close(); for (int i = 0; a[i][0] != 2; ++ans) { if (a[i][1] == 1) { tmp = 1; break; } a[i][1] = 1; i = a[i][0] - 1; } if (tmp == 0) System.out.print(ans + 1); else System.out.print(-1); } }
Submission Info
Submission Time | |
---|---|
Task | B - Trained? |
User | Mcpu3 |
Language | Java8 (OpenJDK 1.8.0) |
Score | 200 |
Code Size | 482 Byte |
Status | AC |
Exec Time | 465 ms |
Memory | 65476 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 426 ms | 61960 KB |
02.txt | AC | 444 ms | 63012 KB |
03.txt | AC | 433 ms | 59036 KB |
04.txt | AC | 442 ms | 60524 KB |
05.txt | AC | 419 ms | 59612 KB |
06.txt | AC | 445 ms | 61760 KB |
07.txt | AC | 465 ms | 57416 KB |
08.txt | AC | 445 ms | 61444 KB |
09.txt | AC | 437 ms | 60636 KB |
10.txt | AC | 431 ms | 61832 KB |
11.txt | AC | 444 ms | 61732 KB |
12.txt | AC | 447 ms | 60200 KB |
13.txt | AC | 445 ms | 65476 KB |
14.txt | AC | 441 ms | 63332 KB |
15.txt | AC | 438 ms | 58080 KB |
16.txt | AC | 404 ms | 60860 KB |
17.txt | AC | 434 ms | 60808 KB |
18.txt | AC | 435 ms | 65172 KB |
19.txt | AC | 94 ms | 19156 KB |
20.txt | AC | 93 ms | 23764 KB |
21.txt | AC | 94 ms | 21332 KB |
22.txt | AC | 92 ms | 19796 KB |
s1.txt | AC | 94 ms | 18772 KB |
s2.txt | AC | 95 ms | 20816 KB |
s3.txt | AC | 96 ms | 21332 KB |