Submission #615997

---

Source Code Expand

n = readline().chomp.to_i

# Nは10**9以下なのでニコニコ数は以下だけ
niconico_numbers = [25, 2525, 252525, 252525]

result = 0
if n < niconico_numbers[0]
  puts result
  exit 0
end

(niconico_numbers[0]..n).each do |x|
  niconico_numbers.each do |test|
    if x % test == 0
      result += 1
      break
    end
  end
end

puts result
exit 0

Submission Info

Judge Result