Skip to content

Instantly share code, notes, and snippets.

@whatalnk

whatalnk/yahoo_procon2017_qual-a.rb

Last active March 9, 2017 08:44
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save whatalnk/b49473633d0545cd9e0bfa0bfaba962a to your computer and use it in GitHub Desktop.
Save whatalnk/b49473633d0545cd9e0bfa0bfaba962a to your computer and use it in GitHub Desktop.
Download ZIP
みんなのプロコン
Raw
yahoo_procon2017_qual-a.rb
h = Hash.new(0)
gets.chomp.split("").each do |s|
h[s] += 1
end
if h["y"] == 1 && h["a"] == 1 && h["h"] == 1 && h["o"] == 2 then
puts "YES"
else
puts "NO"
end
Raw
yahoo_procon2017_qual-b.rb
n, k = gets.chomp.split(" ").map(&:to_i)
a = gets.chomp.split(" ").map(&:to_i).sort
puts a[0...k].inject(:+) + (0...k).inject(:+)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment