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 drop it like it's hot! (Posted on 2005-04-20)

The objective of the number drop game is to try and get a row of numbers in order by selecting certain ones that you want to drop to the end of the line. When you drop more than one number they move to the end while still keeping their relative order and the numbers you didn't drop move to the front while still keeping their relative order. You keep doing that until all the numbers are in order.

Solve these in the fewest moves possible:

`1)1 3 5 7 9 2 4 6 8 102)10 9 8 7 6 5 4 3 2 1`

For ex: 34521

`drop 34 = 34521 -> 52134drop  2 = 52134 -> 51342drop 34 = 51342 -> 51234drop  5 = 51234 -> 12345`
(that wasn't the fewest moves possible but you get the idea)

 See The Solution Submitted by GOM Rating: 4.0000 (6 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
 #2 in 5 moves - spoiler | Comment 6 of 14 |

10 9 8 7 6 5 4 3 2 1

drop all evens
9 7 5 3 1 10 8 6 4 2

then proceed with odd/even pairs starting with 3,4
9 7 5 1 10 8 6 2 3 4
9 7 1 10 8 2 3 4 5 6
9 1 10 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9 10

voila!

ACK!  I didn't read all the way through Gamer's post where he already did the same thing.

Edited on April 20, 2005, 10:18 pm
 Posted by Erik O. on 2005-04-20 22:14:04

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