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计算竞彩足球注数
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# -*- coding: utf-8 -*- | |
# 竞彩注码算法 | |
# 用例 | |
# teams = [ | |
# [1, '3', '0', '*'], | |
# [2, '3', '-'], | |
# [3, '3', '-'], | |
# [4, '3', '1', '*'], | |
# [5, '3', '0', '*'], | |
# [6, '3', '1', '-'], | |
# [7, '3', '0', '*'], | |
# ] | |
# betsum = CalContestBetsum play_kind: '5*6', teams: teams | |
# puts "注数为#{betsum}" | |
class CalContestBetsum < Dun::Land | |
data_reader :play_kind, :teams | |
attr_reader :single_checkpoints, :betsum | |
# 1*1 表示单关 | |
BET_TABLE = { | |
'1*1'=>[1], | |
'2*1'=>[2], '2*3'=>[2, 1], | |
'3*1'=>[3], '3*3'=>[2], '3*4'=>[2,3], '3*7'=>[3, 2, 1], | |
'4*1'=>[4], '4*4'=>[3], '4*5'=>[4,3], '4*6'=>[2],'4*11'=>[4,3,3], '4*15'=>[4, 3, 2, 1], | |
'5*1'=>[5], '5*5'=>[4], '5*6'=>[5, 4], '5*10'=>[2], '5*16'=>[5, 4, 3], '5*20'=>[3, 2], '5*26'=>[5, 4, 3, 2], '5*31'=>[5, 4, 3, 2, 1], | |
'6*1'=>[6], '6*6'=>[5],'6*7'=>[6, 5],'6*15'=>[2], '6*20'=>[3], '6*22'=>[6, 5, 4], | |
'6*35'=>[3,2],'6*42'=>[6, 5, 4, 3], '6*50'=>[4, 3, 2],'6*57'=>[6, 5, 4, 3, 2], '6*63'=>[6, 5, 4, 3, 2, 1], | |
'7*1'=>[7],'7*7'=>[6],'7*8'=>[7,6],'7*21'=>[5],'7*35'=>[4],'7*120'=>[7,6,5,4,3,2], | |
'8*1'=>[8], '8*8'=>[7],'8*9'=>[8,7],'8*28'=>[6],'8*56'=>[5],'8*70'=>[4],'8*247'=>[8,7,6,5,4,3,2], | |
'9*1'=>[9], | |
'10*1'=>[10], | |
'11*1'=>[11], | |
'12*1'=>[12], | |
'13*1'=>[13], | |
'14*1'=>[14], | |
'15*1'=>[15] | |
} | |
def initialize data | |
super data | |
@single_checkpoints = split_to_signle_checkpoints | |
end | |
def split_to_signle_checkpoints | |
single_checkpoints = [] | |
teams.each {|team| | |
team[1..-2].uniq.each {|st| | |
single_checkpoints << [team[0], st] | |
} | |
} | |
single_checkpoints | |
end | |
# 将数组teams拆分成包含有num个元素的组合 | |
# Params | |
# | |
# num - 拆分后的组合中含有的元素个数 | |
# teams - 从此集合中取num个元素进行组合 | |
# | |
# Example: | |
# # [[[1,3],[2,3]], [[1,3],[3,3]], [[1,3],[4,3]],[[2,3],[3,3]], [[2,3],[4,3]], [[3,3],[4,3]]] | |
# comb(2, [[1, 3], [2, 3], [3, 3], [4, 3]]) | |
# | |
def check_points_combination(num) | |
single_checkpoints.combination(num).to_a.delete_if {|checkpoint| | |
cf = checkpoint.map {|cp| cp[0] } | |
cf.size > cf.uniq.size | |
} | |
end | |
def call | |
@betsum = BET_TABLE[play_kind].inject(0){|betsum, num| | |
betsum + check_points_combination(num).uniq.length | |
} | |
end | |
end |
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ruby写的,没有其他语言版本