Submission #3449625

Source Code Expand

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

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

Submission Info

Submission Time
Task B - Trained?
User oyassan
Language Python (3.4.3)
Score 0
Code Size 221 Byte
Status RE
Exec Time 2104 ms
Memory 7084 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 200
Status
AC × 3
AC × 8
TLE × 9
RE × 8
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 RE 171 ms 7084 KB
02.txt RE 175 ms 7084 KB
03.txt RE 166 ms 7084 KB
04.txt TLE 2104 ms 7084 KB
05.txt TLE 2104 ms 7060 KB
06.txt TLE 2104 ms 7064 KB
07.txt TLE 2104 ms 7064 KB
08.txt TLE 2104 ms 7064 KB
09.txt TLE 2104 ms 7064 KB
10.txt TLE 2104 ms 7084 KB
11.txt RE 179 ms 7064 KB
12.txt RE 175 ms 7064 KB
13.txt RE 170 ms 7064 KB
14.txt RE 237 ms 7084 KB
15.txt AC 203 ms 7056 KB
16.txt TLE 2104 ms 7056 KB
17.txt AC 163 ms 7056 KB
18.txt TLE 2104 ms 7056 KB
19.txt AC 17 ms 2940 KB
20.txt RE 17 ms 3060 KB
21.txt AC 16 ms 3064 KB
22.txt AC 17 ms 2940 KB
s1.txt AC 17 ms 3060 KB
s2.txt AC 17 ms 3060 KB
s3.txt AC 17 ms 3064 KB