Submission #903840

Source Code Expand

n = input()
a = map(int,raw_input().split())
print sum(i == a[a[i]-1]-1 for i in range(n)) / 2

Submission Info

Submission Time
Task A - CODEFESTIVAL 2016
User yzyz
Language Python (2.7.6)
Score 0
Code Size 98 Byte
Status RE
Exec Time 16 ms
Memory 2568 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 100
Status
RE × 3
RE × 6
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
Case Name Status Exec Time Memory
0_00.txt RE 16 ms 2568 KiB
0_01.txt RE 16 ms 2568 KiB
0_02.txt RE 16 ms 2568 KiB
1_00.txt RE 16 ms 2568 KiB
1_01.txt RE 16 ms 2568 KiB
1_02.txt RE 16 ms 2568 KiB