From: Jannis Harder <jannis@...>
Date: 2005-01-10T06:12:04+09:00
Subject: Re: [SOLUTION] Ruby Quiz #14 LCD Numbers ( solution #2 )

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And shorter and shorter and:
Based on my solution and the ideas from email55555
1. Removed split("").map..... I'm using each_byte now ( z*7  to z*7-336)
2. replaced x==1?1:4 with h=x*4/3
2. replaced x==1?2:5 with h+1 ;)
3. replaced <<f with +f
4. repalced
~    y[1,1]*=s
~    y[2+s,1]*=s
with
~    y[3,1]*=s
~    y[1,1]*=s

323 byte:
### (this is 100bytes shorter than my first solution)
s=$*.index("-s");s=(s ?$*.slice!(s,2)[1].to_i: 2)
i=$*.join
d,="7krtt1r30v/s".unpack("m")[0].unpack("B*")
f=" "
a,b=f*s,f+"-"*s+f
c,e,o="|",a+f+f,49
y=([0]*5).map{""}
i.each_byte{|z|u=d[z*7-336,7]
3.times{|x|y[x*2]<<(u[x*3]<o ?e:b)+f}
[1,3].each{|x|y[x]<<(u[h=x*4/3]<o ?f:c)+a+(u[h+1]<o ?f:c)+f}}
y[3,1]*=s
y[1,1]*=s
puts y
###
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