Submission #4031086

Source Code Expand

n=int(input())
a=list(map(int,input().split()))
c=0
for i in range(n):
    if i+1==a[a[i]-1]:
        c+=1
        a[i]=n+2
print(c)

Submission Info

Submission Time
Task B - Friendly Rabbits
User TKR18
Language Python (3.4.3)
Score 200
Code Size 139 Byte
Status AC
Exec Time 71 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 18 ms 2940 KB
0_01.txt AC 18 ms 2940 KB
0_02.txt AC 18 ms 2940 KB
1_00.txt AC 18 ms 2940 KB
1_01.txt AC 71 ms 14008 KB
1_02.txt AC 64 ms 14008 KB
1_03.txt AC 66 ms 13880 KB
1_04.txt AC 65 ms 13812 KB
1_05.txt AC 65 ms 13812 KB
1_06.txt AC 63 ms 13880 KB
1_07.txt AC 62 ms 14008 KB
1_08.txt AC 34 ms 7144 KB
1_09.txt AC 54 ms 12008 KB
1_10.txt AC 49 ms 10180 KB
1_11.txt AC 25 ms 4776 KB