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Frobenius coin problem with 2-pence and 5-pence coins visualised as graphs: Sloping lines denote graphs of 2x+5y=n where n is the total in pence, and x and y are the non-negative number of 2p and 5p coins, respectively. A point on a line gives a combination of 2p and 5p for its given total (green).
Coin values can be modeled by a set of n distinct positive integer values (whole numbers), arranged in increasing order as w 1 through w n.The problem is: given an amount W, also a positive integer, to find a set of non-negative (positive or zero) integers {x 1, x 2, ..., x n}, with each x j representing how often the coin with value w j is used, which minimize the total number of coins f(W)
For example, in detecting a dissimilar coin in three weighings ( = ), the maximum number of coins that can be analyzed is = .Note that with weighings and coins, it is not always possible to determine the nature of the last coin (whether it is heavier or lighter than the rest), but only that the other coins are all the same, implying that the last coin is the ...
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The Indonesian one thousand rupiah coin (Rp1,000) is a coin of the Indonesian rupiah. It circulates alongside the 1,000-rupiah banknote. First introduced on 8 March 1993 as bimetallic coins, they are now minted as unimetallic coins, with the first of its kind appearing in 2010 and its latest revision being in 2016. As of 2024, the last two ...
The Rp200 coin was first introduced on November 3, 2003. It weighs 2.38 g (0.084 oz), is 2.3 mm (0.091 in) wide, and has a 25 mm (0.98 in) diameter. Its obverse features the national emblem Garuda Pancasila and the lettering "2003" and "BANK INDONESIA," while its reverse features an image of the Bali mynah ( Leucopsar rothschildi ) as well as ...
The Indonesian twenty five rupiah coin (Rp25) is a now-defunct denomination of the Indonesian rupiah.It was introduced in 1971 and was last revised in 1991. Coins of this denomination were minted until 1996 and have been invalid for transactions since August 31, 2010 when the 1991-issue Rp25 coin ceased to be legal tender.
In September 2018, Warner Music Japan and producer Yasushi Akimoto announced that they would have auditions for the start of a "national girl band", using system for selecting members based on songs that some of the members would be participating in. [4] They ultimately chose 39 members from the auditions, but added two more members by the time of their debut. [5]