Submission #913565

---

Source Code Expand

def tria(n)
  if n >=5
    f = 1
    p1 = 1
    p2 = 0
    p3 = 0
    for i in 0..(n-5)
      p3 = p2
      p2 = p1
      p1 = f
      f = (p1+p2+p3)%10007
    end
  else
    if n==1||n==2
      f = 0
    else
      f = 1
    end
  end
  
  f
end

n = gets.to_i
puts tria(n)%10007

Submission Info

Compile Error

./Main.rb:7: warning: assigned but unused variable - i

Judge Result