Originally Posted by abextra
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
Originally Posted by moglet
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Round 357 - Pineapple small print (continued from round 356)
As Charlie is about to pay for his new balls in round 356, it turns out that you and he hadn't read all the small print on the price tag in Barry's shop - as well as the bananas cost, Charlie may also have to pay with some pineapples.
Barry explains that in the triangle there are 4 pairs of adjacent rows - and since the triangle can be rotated 3 ways, there are 12 possible pairs of adjacent rows after allowing for rotation. Every time that Barry finds that the difference in points value between the two rows in one of those 12 pairs is different from the cost in bananas, Charlie will also have to pay a pineapple.
So in the example given by moglet, snookersfun and abextra, the cost would be 3 bananas and 6 pineapples = 9 fruit. Far too expensive.
(For example, the top two rows in moglet's and snookersfun's arrangement are worth 2 points and 4 points - the difference is 2 points - because this 2 is different from the banana cost of 3, those two rows contribute a cost of a pineapple.)
You need to help Charlie minimise the total number of fruit (bananas plus pineapples) he must pay to buy those 15 balls. Please bid here on the thread your total fruit number.
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