Sha256: dc75b0f4bd2722bc753be4cc8ccb30f3e02d3cc36c599578df57e9b0f2093c63
Contents?: true
Size: 1.06 KB
Versions: 26
Compression:
Stored size: 1.06 KB
Contents
#!/usr/bin/env ruby
require 'rubygems'
require 'json'
participants = []
matches = []
exchange = {}
STDIN.each_line do |line|
participants.push(line.chomp)
matches.push(line.chomp)
end
def find_partner_for(participant, available_participants)
result = nil
available_participants.shuffle.each do |possible_participant|
if possible_participant != participant
result = possible_participant
break
end
end
unless result
raise 'something is wrong!'
end
available_participants = available_participants - [result]
# puts available_participants.inspect
result
end
participants.each do |participant|
exchange[participant] = find_partner_for(participant, (matches - exchange.values))
end
givers_validation = (exchange.keys.sort == participants.sort)
receivers_validation = (exchange.values.sort == participants.sort)
unless givers_validation
raise "Givers don't make sense"
end
unless givers_validation
raise "Receivers don't make sense"
end
exchange.each do |key, value|
puts ({ :gives => key, :receives => value }.to_json)
end
Version data entries
26 entries across 26 versions & 1 rubygems