Submission #43611191

---

Source Code Expand

def func(items)
  num_items = items.size
  num_items.times do |i|
    num_items.times do |j|
      next if i == j
      next unless items[i][:price] >= items[j][:price]

      diff_ij = items[i][:features] - items[j][:features]
      next if diff_ij.size > 0

      if items[i][:price] == items[j][:price]
        diff_ji = items[j][:features] - items[i][:features]
        next if diff_ji.size == 0
      end
      return true
    end
  end
  false
end

N, M = gets.split.map(&:to_i)
items = []
N.times do |i|
  price, num, *features = gets.split.map(&:to_i)
  items << {
    price: price,
    num: num,
    features: features,
  }
end

puts func(items) ? 'Yes' : 'No'

Submission Info

Judge Result