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class Komachi
def initialize
@result = []
@reg = /(\+|\-|\*|\/)[2-9]/
calc()
calc('-1')
end
attr_reader :result
def calc(string = '1', n = 2)
if n == 10
@result.push(string+"=100") if eval(string.gsub(@reg, '.0\&')) == 100
else
['+', '-', '*', '/', ''].each do |cal|
calc(string + cal + n.to_s, n + 1)
end
end
end
end
komachi = Komachi.new()
komachi.result.each{|s| puts s}
puts komachi.result.size.to_s + '¸Äȯ¸«¡ª'
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2006/07/23 19:26 | Ruby | ¥È¥é¥Ã¥¯¥Ð¥Ã¥¯(0) | ¥³¥á¥ó¥È(0)
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array = []
(Math.sqrt(123456789).ceil..Math.sqrt(987654321).floor).each do |i|
temp = (i ** 2).to_s.split('')
array.push(i) if temp.uniq.size == 9 and !(temp.include? '0')
end
array.each {|i| puts i.to_s + " ^ 2 = " + (i ** 2).to_s}
puts array.size.to_s + '¸Äȯ¸«¡ª'
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11826 ^ 2 = 139854276 12363 ^ 2 = 152843769 12543 ^ 2 = 157326849 14676 ^ 2 = 215384976 15681 ^ 2 = 245893761 15963 ^ 2 = 254817369 18072 ^ 2 = 326597184 19023 ^ 2 = 361874529 19377 ^ 2 = 375468129 19569 ^ 2 = 382945761 19629 ^ 2 = 385297641 20316 ^ 2 = 412739856 22887 ^ 2 = 523814769 23019 ^ 2 = 529874361 23178 ^ 2 = 537219684 23439 ^ 2 = 549386721 24237 ^ 2 = 587432169 24276 ^ 2 = 589324176 24441 ^ 2 = 597362481 24807 ^ 2 = 615387249 25059 ^ 2 = 627953481 25572 ^ 2 = 653927184 25941 ^ 2 = 672935481 26409 ^ 2 = 697435281 26733 ^ 2 = 714653289 27129 ^ 2 = 735982641 27273 ^ 2 = 743816529 29034 ^ 2 = 842973156 29106 ^ 2 = 847159236 30384 ^ 2 = 923187456 30¸Äȯ¸«¡ª
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2006/07/22 00:54 | Ruby | ¥È¥é¥Ã¥¯¥Ð¥Ã¥¯(0) | ¥³¥á¥ó¥È(0)
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2006/07/05 20:01 | Web | ¥È¥é¥Ã¥¯¥Ð¥Ã¥¯(0) | ¥³¥á¥ó¥È(0)