Submission #1558986


Source Code Expand

n=gets.to_i
a=gets.split.map &:to_i
c=0
t=0
n.times do |i|
  if a[i] == i+1
    c+=1
  else
    t+=(c+1)/2
    c=0
  end
end
p t+(c+1)/2

Submission Info

Submission Time
Task D - Derangement
User miraxial
Language Ruby (2.3.3)
Score 400
Code Size 148 Byte
Status AC
Exec Time 53 ms
Memory 8068 KB

Compile Error

./Main.rb:2: warning: `&' interpreted as argument prefix

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 4
AC × 15
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt
Case Name Status Exec Time Memory
0_000.txt AC 7 ms 1788 KB
0_001.txt AC 7 ms 1788 KB
0_002.txt AC 7 ms 1788 KB
0_003.txt AC 7 ms 1788 KB
1_004.txt AC 7 ms 1788 KB
1_005.txt AC 50 ms 8068 KB
1_006.txt AC 51 ms 8068 KB
1_007.txt AC 53 ms 8068 KB
1_008.txt AC 50 ms 8068 KB
1_009.txt AC 52 ms 8068 KB
1_010.txt AC 53 ms 8068 KB
1_011.txt AC 50 ms 8068 KB
1_012.txt AC 50 ms 8068 KB
1_013.txt AC 52 ms 8068 KB
1_014.txt AC 53 ms 8068 KB