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k4200/hamamatsu-rb-58.rb

Created November 11, 2015 11:12
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hamamatsu.rb #58 のお題を解いた（Ruby）
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hamamatsu-rb-58.rb
# http://jukensansu.cocolog-nifty.com/planet/2015/11/post-0b4b.html
# 総当りで
# Rubyはあまり得意でない
def array_to_digit(ary)
return ary[0] * 100 + ary[1] * 10 + ary[2]
end
def calc_sum(ary)
return array_to_digit(ary[0, 3]) + array_to_digit(ary[2, 3]) + array_to_digit(ary[4, 3]) + array_to_digit(ary[6, 2] + ary[0, 1])
end
all_arrays = (1..8).to_a.permutation
for ary in all_arrays
s = calc_sum(ary)
if s == 1725
p ary[1], ary[3], ary[5], ary[7]
break
end
end
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