Submission #1610678
Source Code Expand
N = int(input()) a = list(map(int, input().split())) ans = 0 for i in range(N): if a[a[i]-1] == i+1: ans += 1 print(int(ans/2))
Submission Info
Submission Time | |
---|---|
Task | B - Friendly Rabbits |
User | nornron |
Language | Python (3.4.3) |
Score | 200 |
Code Size | 151 Byte |
Status | AC |
Exec Time | 68 ms |
Memory | 14004 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
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 | 2940 KB |
0_02.txt | AC | 17 ms | 2940 KB |
1_00.txt | AC | 17 ms | 2940 KB |
1_01.txt | AC | 68 ms | 14004 KB |
1_02.txt | AC | 61 ms | 13880 KB |
1_03.txt | AC | 62 ms | 13812 KB |
1_04.txt | AC | 59 ms | 13880 KB |
1_05.txt | AC | 59 ms | 13812 KB |
1_06.txt | AC | 59 ms | 14004 KB |
1_07.txt | AC | 58 ms | 13812 KB |
1_08.txt | AC | 32 ms | 7144 KB |
1_09.txt | AC | 52 ms | 12316 KB |
1_10.txt | AC | 46 ms | 10564 KB |
1_11.txt | AC | 24 ms | 4776 KB |