Submission #1338029


Source Code Expand

# -*- coding:utf-8 -*-
N = int(input())
a = list(map(int, input().split()))
b = [ (tmp+1,a[tmp]) for tmp in range(len(a)) if a[a[tmp]-1] == tmp+1 ]
print(len(list(set([ tuple(sorted(tmp)) for tmp in b ]))))

Submission Info

Submission Time
Task B - Friendly Rabbits
User Scotch
Language Python (3.4.3)
Score 200
Code Size 210 Byte
Status AC
Exec Time 143 ms
Memory 27492 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 17 ms 2940 KB
0_01.txt AC 17 ms 3060 KB
0_02.txt AC 17 ms 2940 KB
1_00.txt AC 17 ms 3060 KB
1_01.txt AC 143 ms 27492 KB
1_02.txt AC 59 ms 13812 KB
1_03.txt AC 66 ms 13880 KB
1_04.txt AC 57 ms 14008 KB
1_05.txt AC 55 ms 13812 KB
1_06.txt AC 58 ms 13880 KB
1_07.txt AC 55 ms 13812 KB
1_08.txt AC 32 ms 6768 KB
1_09.txt AC 51 ms 12316 KB
1_10.txt AC 43 ms 10564 KB
1_11.txt AC 23 ms 4652 KB