Educational Codeforces Round 2

cfEdu2-A-Extract-Numbers.rb

# [Problem - A - Codeforces](http://codeforces.com/contest/600/problem/A)
s = gets.chomp.split(/[,;]/, -1)
number = []
nonnumber = []
s.each do |w|
  if w.match(/^[0-9]+$/) then
    if w.length >= 2 and w[0] == "0" then
      nonnumber << w
    else
      number << w
    end
  else
    nonnumber << w
  end
end
if number.length == 0 then
  puts "-"
else
  p number.join(",")
end
if nonnumber.length == 0 then
  puts "-"
else
  p nonnumber.join(",")
end

cfEdu2-B-Queries-about-less-or-equal-elements.rb

# [Problem - B - Codeforces](http://codeforces.com/contest/600/problem/B)
n, m = gets.chomp.split(" ").map(&:to_i)
a = gets.chomp.split(" ").map(&:to_i).sort
b = gets.chomp.split(" ").map(&:to_i)
res = Array.new()
b.each do |e|
  tmp = (0...n).bsearch {|i| a[i] > e}
  if tmp.nil? then
    res << n
  else
    res << tmp
  end
end
puts res.join(" ")

• A
• B
• C
• D
• E