Submission #900069

Source Code Expand

N = input()
l = raw_input()
a = map(int, l.split(" "))
count = 0
for i in range(N):
	#print(i, a[i])
	if a[a[i]-1] -1 == i:
		count = count + 1
print(count/2)

Submission Info

Submission Time
Task B - Friendly Rabbits
User iazekr
Language Python (2.7.6)
Score 200
Code Size 166 Byte
Status AC
Exec Time 85 ms
Memory 11904 KiB

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 KiB
0_01.txt AC 16 ms 2568 KiB
0_02.txt AC 16 ms 2568 KiB
1_00.txt AC 16 ms 2568 KiB
1_01.txt AC 85 ms 11904 KiB
1_02.txt AC 79 ms 11904 KiB
1_03.txt AC 83 ms 11904 KiB
1_04.txt AC 81 ms 11776 KiB
1_05.txt AC 79 ms 11904 KiB
1_06.txt AC 79 ms 11904 KiB
1_07.txt AC 81 ms 11904 KiB
1_08.txt AC 39 ms 6016 KiB
1_09.txt AC 68 ms 10240 KiB
1_10.txt AC 59 ms 8960 KiB
1_11.txt AC 26 ms 4100 KiB