Submission #890742


Source Code Expand

#!/usr/bin/ruby
n,*a=`dd`.split.map(&:to_i)
p n.times.count{|i|
	j=a[i]-1
	i==a[j]-1
}/2

Submission Info

Submission Time
Task B - Friendly Rabbits
User leafmoon
Language Ruby (2.3.3)
Score 200
Code Size 93 Byte
Status AC
Exec Time 358 ms
Memory 8968 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 358 ms 3444 KB
0_01.txt AC 12 ms 2044 KB
0_02.txt AC 12 ms 2040 KB
1_00.txt AC 12 ms 2044 KB
1_01.txt AC 69 ms 8968 KB
1_02.txt AC 69 ms 8964 KB
1_03.txt AC 69 ms 8964 KB
1_04.txt AC 69 ms 8960 KB
1_05.txt AC 69 ms 8960 KB
1_06.txt AC 68 ms 8956 KB
1_07.txt AC 69 ms 8960 KB
1_08.txt AC 33 ms 4356 KB
1_09.txt AC 58 ms 7684 KB
1_10.txt AC 52 ms 6908 KB
1_11.txt AC 22 ms 2944 KB