compute statistics for 2015 NA LCS Playoffs

lcs.rb

teams = {
    "TSM" => 90,
    "C9"  => 70,
    "TL"  => 50,
    "TIP" => 30,
    "CLG" => 10,
    "GV"  => 10,
    "DG"  => 0
}

cp_values = [1000, 90, 70, 40, 20, 20]

playoffs = ["TSM", "TL", "TIP", "CLG", "GV", "DG"]

possibilities = [ ]

# generate permutations
playoffs.permutation.each do |per|
    local_order = { }

    per.each_with_index do |team, i|
        local_order[team] = teams[team] + cp_values[i]
    end

    # manually add C9 since they're not in playoffs
    local_order["C9"] = 70

    possibilities << local_order   
end

cnt_h = { 
    "TSM" => 0,
    "C9"  => 0,
    "TL"  => 0,
    "TIP" => 0,
    "CLG" => 0,
    "GV"  => 0,
    "DG"  => 0
}

# iterate over permutations
possibilities.each do |poss|
    # print valid permutations for team qualifying
    poss2 = poss.sort_by { |key, val| val }.reverse.to_h
    if poss2.keys[0..2].include? "CLG" then
        puts poss
        # print poss.keys[0..5].join ", "
    end

    # sum up each team making it to worlds
    teams.keys.each do |team_name|
        if poss2.keys[0..2].include? team_name then
            cnt_h[team_name] = cnt_h[team_name] + 1
        end
    end
end

# compute probabilities for each team going to Worlds
cnt_h.each do |team|
    puts team[0] + ": " + ((team[1].to_f / 720.to_f) * 100).to_s
end