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63 lines
2.8 KiB
Markdown
63 lines
2.8 KiB
Markdown
# Countdown
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## Description
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Countdown is a 1982 British game show involving word and number tasks. There are
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two contestants in each episode that compete in three game types: letters
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rounds, in which the contestants attempt to make the longest word possible from
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nine randomly chosen letters; numbers rounds, in which the contestants must
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use arithmetic to reach a random target number from six other numbers; and the
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conundrum, a buzzer round in which the contestants compete to solve a
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nine-letter anagram.
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### Letters Round
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The contestant in control chooses between two stacks of letter tiles, one
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containing vowels (A-E-I-O-U only) and the other consonants, and the assistant
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reveals the top tile from that stack and places it on the board. This is done
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nine times, and the final grouping must contain at least three vowels and four
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consonants. The contestants then have 30 seconds to form the longest single
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word they can, using the nine revealed letters; no letter may be used more often
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than it appears in the selection.
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#### Example
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Contestant One chooses five consonants, then three vowels, then another
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consonant.
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Selection is: `G Y H D N O E U R`
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Contestant One declares 7, while Contestant Two declares 8.
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Contestant One reveals `younger`, but Contestant Two reveals `hydrogen` and
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scores 8 points. Contestant One does not score.
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### Numbers Round
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The contestant in control chooses six of 24 shuffled face-down number tiles,
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arranged into two groups: 20 "small numbers" (two each of 1 to 10), and four
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"large numbers" of 25, 50, 75, and 100. Some special episodes replace the large
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numbers with 12, 37, 62, and 87. The contestant decides how many large numbers
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are to be used, from none to all four, after which the six tiles are randomly
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drawn and placed on the board. Then, a random three-digit target number is then
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generated by an electronic machine. The contestants have 30 seconds to work out
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a sequence of calculations with the numbers whose final result is as close to
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the target number as possible. They may use only the four basic operations of
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addition, subtraction, multiplication and division, and do not have to use all
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six numbers. A number may not be used more times than it appears on the board.
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Division can only be performed if the result has no remainder. Fractions are not
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allowed, and only positive integers may be obtained as a result at any stage of
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the calculation.
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#### Example
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Contestant One requests two large numbers and four small numbers.
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Selection is: 75 50 2 3 8 7
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Randomly generated target is: 812
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Contestant One declares 813, while Contestant Two declares 815.
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Contestant One is closer and so reveals: 75 + 50 – 8 = 117, and 117 × 7 – (3 ×
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2) = 813, which scores 7 points for being 1 away. Contestant Two does not score.
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# Solvers
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- `numbers-round.py` is a solver for the Numbers Round.
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