Submission #3449641

Source Code Expand

n = int(input())
a = [int(input())-1 for x in range(n)]
ans = 0
ok = False
i = 0
for x in range(n):
    if i == 1:
        ok = True
        break
    i = a[i]
    ans += 1

print([-1, ans][ok])

Submission Info

Submission Time
Task B - Trained?
User oyassan
Language Python (3.4.3)
Score 200
Code Size 206 Byte
Status AC
Exec Time 195 ms
Memory 7084 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 25
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 191 ms 7084 KB
02.txt AC 195 ms 7084 KB
03.txt AC 187 ms 7036 KB
04.txt AC 179 ms 7084 KB
05.txt AC 184 ms 7084 KB
06.txt AC 182 ms 7084 KB
07.txt AC 183 ms 7064 KB
08.txt AC 174 ms 7084 KB
09.txt AC 181 ms 7084 KB
10.txt AC 184 ms 7060 KB
11.txt AC 188 ms 7084 KB
12.txt AC 173 ms 7084 KB
13.txt AC 174 ms 7084 KB
14.txt AC 189 ms 7060 KB
15.txt AC 183 ms 7080 KB
16.txt AC 184 ms 7080 KB
17.txt AC 166 ms 7056 KB
18.txt AC 181 ms 7060 KB
19.txt AC 17 ms 3060 KB
20.txt AC 17 ms 3060 KB
21.txt AC 17 ms 2940 KB
22.txt AC 17 ms 3060 KB
s1.txt AC 17 ms 2940 KB
s2.txt AC 17 ms 2940 KB
s3.txt AC 17 ms 3060 KB