Nimbers are inevitable

Lemoine, Julien; Viennot, Simon

doi:10.1016/j.tcs.2012.09.002

Cited by 4 publications

(1 citation statement)

References 7 publications

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“…There is another site (Lemoine and Viennot [2012]) in french which advertises the kitsune program and gives some stats. However, it takes a few hours to compute them, while this program takes only a few seconds.…”

Section: Standard Gamementioning

confidence: 99%

(The Final) Countdown

Alliot¹,

Vanaret²

EPiC Series in Computing

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The Countdown game is one of the oldest TV show running in the world. It started broadcasting in 1972 on the french television and in 1982 on British channel 4, and it has been running since in both countries. The game, while extremely popular, never received any serious scientific attention, probably because it seems too simple at first sight. We present in this article an in-depth analysis of the numbers round of the countdown game. This includes a complexity analysis of the game, an analysis of existing algorithms, the presentation of a new algorithm that increases resolution speed by a factor of 20. It also includes some leads on how to turn the game into a more difficult one, both for a human player and for a computer, and even to transform it into a probably undecidable problem. * Institut de Recherche en Informatique de Toulouse 1 Whether 100 is a possible number to search is a matter of controversy. It seems like it could be in the UK, but not in France, so we decided to let it out.As soon as two numbers have been used to make a new one, they can't be used again, but the new number found can be used. For example, if the six numbers drawn are 1,1,4,5,6,7 and the number to find is 899 the answer is: Operations Remaining 6 x 5 = 30 {1,1,4,7,30} 30 + 1 = 31 {1,4,7,31} 4 x 7 = 28 {1,28,31} 28 + 1 = 29 {29,31} 29 * 31 = 899 {899} arXiv:1502.05450v1 [cs.AI] 19 Feb 2015 822 + 50 = 872 {3,7,4,75,8} 872 / 4 = 218 {3,7,75,8} 218 + 7 = 225 {3,75,8} 225 / 3 = 75 {75,8} 75 -75 = 0 {8}

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Section: Standard Gamementioning

confidence: 99%