Submission #2210965

---

Source Code Expand

N = gets.to_i

if N <= 3
  a = [0,0,1]
  puts a[N-1]
else
  an3 = 0
  an2 = 0
  an1 = 1
  for i in 3..N do
    an = an3 + an2 + an1
    an1 = an2 % 10007
    an2 = an3 % 10007
    an3 = an % 10007
  end
  puts an % 10007
end

#結果が余りかつ線形だから途中式でも余りで良い

Submission Info

Compile Error

./Main.rb:10: warning: assigned but unused variable - i

Judge Result