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... :high)
and faces =~ /^(\w) \1\ 1 \1/
end
def
full_house?
order(:face_count, :high) and faces =~ /^(\w) \1\ 1(\w)\2/
end
def
flush?
order(:suit_count, :high) and suits =~ /^(\w) \1\ 1 \1\ 1/
end
def
straight?
# ... |word|
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ANSWER 13 . 1- 800-THE -QUIZ 15 3
Answer
13
From page 31
1-800-THE -QUIZ
Some problems are just easier to express with recursion. For me, this
is one...
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... 9 14 18 21 2 25 12 9 22 5 12 15 14 7 5 18
15
The of cial site for Solitaire is at http://www.schneier.com/solitaire.html.
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QUIZ 16 . ENGLISH NUMERALS 41
Quiz
16
Answer on page 17 6
English ... Figure 1. 1, on the
following page, shows the name of every square on the board.
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QUIZ 10 . KNIGHT’S TRAVAILS 26
Figure 1. 1: Chess Squares by Name...
Best of Ruby Quiz Pragmatic programmers phần 3 doc
... line.
#
# =6
# 5 4
# =3
# 2 1
# =0
Digits = [0b 111 011 1, 0b 010 010 0, 0b1 011 1 01, 0b 110 110 1, 0b 010 111 0,
0b 110 1 011 , 0b 111 1 011 , 0b 010 010 1, 0b 111 111 1, 0b 110 111 1,
0b00 010 00, 0b 111 1000] # Minus, Dot
Top, ... 1, 1 ],
"4" => [ 0, 3, 1, 1, 0 ],
"5" => [ 1, 2, 1, 1, 1 ],
"6" => [ 1, 2, 1, 3, 1 ],
"7" =>...
Best of Ruby Quiz Pragmatic programmers phần 5 pot
... @level.index(/@|\+/)
return pos % 19 , pos / 19
end
def
[](x, y)
@level[x + y * 19 ]
end
def
[]=(x, y, v)
@level[x + y * 19 ] = v
end
def
to_s
(0 16 ).map {|i| @level[i * 19 , 19 ]}.join("\n")
end
end
levels ... :rock][rand(3)]
end
end
30
Ruby Quiz is hosted on the Ruby Talk mailing list, and you will often se e discussion
there about the problems. You can find more inf...
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... am:
code_cleaning/p2p_clean.rb
#!/usr/local/bin /ruby
#
# p2p.rb
#
# Server: ruby p2p.rb password server public-uri private-uri merge-servers
# Sample: ruby p2p.rb foobar server druby:/ /12 3 .12 3 .12 3 .12 3 :13 37
# druby:// :13 37 druby://foo.bar :13 37
# ... cluster of place-values.
# The lowest overall string must be composed of elements from this list.
components =
[ minimum_e...
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... the moves available in one row
[ 0b1000, 0b 010 0, 0b0 010 , 0b00 01, 0b 110 0,
0b 011 0, 0b0 011 , 0b 111 0, 0b 011 1, 0b 111 1 ].each do |move|
# spread it to each row of the board
move = move << 4 ... choices.find { |m| m.moves.size % 2 == 0 }
best
or choices.first
end
end
def over?
@position == 0b 111 1 _11 11_ 111 1 _11 11
end
end
The real magic here is the combination of...
Best of Ruby Quiz Pragmatic programmers phần 10 docx
... 256
assert_equal(Tactics::WIN, Tactics.new(0b 111 1_0 011 _11 11_ 111 1).play)
assert_equal(Tactics::WIN, Tactics.new(0b 111 1 _10 01_ 111 1 _11 11) .play)
assert_equal(Tactics::WIN, Tactics.new(0b 111 1 _11 00 _11 11_ 111 1).play)
assert_equal(Tactics::WIN, ... Tactics.new(0b 111 1 _11 00 _11 11_ 111 1).play)
assert_equal(Tactics::WIN, Tactics.new(0b 111 1 _11 11_ 0 011 _11 11) .play)
assert...
Best of Ruby Quiz potx
... sake of example, let’s just say we get this:
DWJXH YRFDG TMSHP UURXJ
3. Convert the message from step 1 into numbers, A = 1, B = 2, and
so on:
3 15 4 5 9 14 18 21 2 25 12 9 22 5 12 15 14 7 5 18
15
The ... (Consider the deck
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QUIZ 4. ANIMAL QUIZ 11
Quiz
4
Answer on page 81
Animal Quiz
Posed by Jim Weirich
Here’s an animal quiz progr am to try as a Rub...
Best of Ruby Quiz doc
... decoded to numbers:
7 12 14 3 17 13 10 1 6 6 6 22 15 13 2 10 9 25 3 2
3. Convert the keystream lett ers from step 1 to numbers:
4 23 10 24 8 25 18 6 4 7 20 13 19 8 16 21 21 18 24 10
4. S ubtract the ... For example, 22 - 1 = 21 as expected, but 1 -
22 = 5 (27 - 22):
3 15 4 5 9 14 18 21 2 25 12 9 22 5 12 15 14 7 5 18
5. Convert the numbers from step 4 back t...
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