Submission #891688

Source Code Expand

n = gets.to_i
a = gets.chomp.split(" ").map(&:to_i)

m, sum = 1, 0
a.each do |i|
  if a[i-1] == m
    sum += 1
  end
  m += 1
end

puts sum/2

Submission Info

Submission Time
Task B - Friendly Rabbits
User WatsonDNA
Language Ruby (2.3.3)
Score 200
Code Size 154 Byte
Status AC
Exec Time 61 ms
Memory 8708 KB

Compile Error

./Main.rb:1: warning: assigned but unused variable - n

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 11 ms 1788 KB
0_01.txt AC 11 ms 1788 KB
0_02.txt AC 11 ms 1788 KB
1_00.txt AC 11 ms 1788 KB
1_01.txt AC 61 ms 8708 KB
1_02.txt AC 60 ms 8708 KB
1_03.txt AC 60 ms 8708 KB
1_04.txt AC 60 ms 8708 KB
1_05.txt AC 60 ms 8708 KB
1_06.txt AC 60 ms 8708 KB
1_07.txt AC 60 ms 8708 KB
1_08.txt AC 28 ms 4220 KB
1_09.txt AC 50 ms 7428 KB
1_10.txt AC 45 ms 6660 KB
1_11.txt AC 20 ms 2812 KB