Submission #891180


Source Code Expand

#!/usr/bin/env python3
n = int(input())
a = list(map(lambda s: int(s)-1, input().split()))
ans = 0
for i in range(n):
    if a[a[i]] == i and i < a[i]:
        ans += 1
print(ans)

Submission Info

Submission Time
Task B - Friendly Rabbits
User kimiyuki
Language Python (3.4.3)
Score 200
Code Size 188 Byte
Status AC
Exec Time 97 ms
Memory 14008 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 15
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 24 ms 3188 KB
0_01.txt AC 22 ms 3064 KB
0_02.txt AC 22 ms 3064 KB
1_00.txt AC 22 ms 3064 KB
1_01.txt AC 97 ms 14008 KB
1_02.txt AC 86 ms 14008 KB
1_03.txt AC 88 ms 14008 KB
1_04.txt AC 84 ms 14008 KB
1_05.txt AC 84 ms 14008 KB
1_06.txt AC 85 ms 14008 KB
1_07.txt AC 88 ms 14008 KB
1_08.txt AC 44 ms 6900 KB
1_09.txt AC 74 ms 12136 KB
1_10.txt AC 66 ms 10596 KB
1_11.txt AC 32 ms 4776 KB