Submission #891401


Source Code Expand

N = input()
ans = 0
ls = map(int,raw_input().split(" "))
for i in range(N):
    v = ls[i]-1
    if i < v and ls[v] == i+1:
        ans += 1

print ans

Submission Info

Submission Time
Task B - Friendly Rabbits
User niyarin
Language Python (2.7.6)
Score 200
Code Size 160 Byte
Status AC
Exec Time 88 ms
Memory 11328 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 16 ms 2568 KB
0_01.txt AC 16 ms 2568 KB
0_02.txt AC 16 ms 2568 KB
1_00.txt AC 16 ms 2568 KB
1_01.txt AC 88 ms 11328 KB
1_02.txt AC 85 ms 11328 KB
1_03.txt AC 87 ms 11328 KB
1_04.txt AC 87 ms 11328 KB
1_05.txt AC 83 ms 11328 KB
1_06.txt AC 85 ms 11328 KB
1_07.txt AC 85 ms 11328 KB
1_08.txt AC 40 ms 5804 KB
1_09.txt AC 73 ms 9768 KB
1_10.txt AC 62 ms 8560 KB
1_11.txt AC 26 ms 3972 KB