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Re: Homework Golf

by atcroft (Abbot)
on Dec 04, 2013 at 06:06 UTC ( [id://1065539]=note: print w/replies, xml ) Need Help??


in reply to Homework Golf

I'll admit up front-I'm no golfer, and the way some monks can golf code so seemingly effortlessly still amazes me. Having said that, I was still pleased that I managed to get down to 77 characters (all commands in the form of perl -lne '$code' /usr/share/dict/words, unless otherwise noted. Counts only the code in quotes, so if I mis-counted, please let me know.):

# 3270 results in my /usr/share/dict/words file # First attempt, 97 @c=split//;$v=0;foreach$s(@c){$s=lc$s;if($s=~/[a-z]/i){$v+=ord($s)-ord +('a')+1;}}print if($v==65);
# Second attempt: 88 @c=split//;$v=0;foreach$s(@c){$s=lc$s;if($s=~/[a-z]/){$v+=ord($s)-96;} +}print if($v==65);
# Third attempt: 80 @c=split//;$v=0;map{$v+=ord(lc($_))-96;}grep{/[a-z]/i;}split//;print i +f($v==65);
# Execute as perl -F'' -alne '$code' /usr/share/dict/words # Fourth attempt: 77 $v=0;foreach$s(@F){$s=lc$s;if($s=~/[a-z]/){$v+=ord($s)-96;}}print if($ +v==65);

An interesting puzzle, McD-thank you for sharing it.

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