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drop it like it's hot! (Posted on 2005-04-20) Difficulty: 2 of 5

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

For ex: 34521

drop 34 = 34521 -> 52134
drop  2 = 52134 -> 51342
drop 34 = 51342 -> 51234
drop  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.)
re: Hopefully I read the instructions correctly (spoiler?) | Comment 2 of 14 |
(In reply to Hopefully I read the instructions correctly (spoiler?) by Erik O.)

How are these not 8 and 10 moves respectively?  The numbers you paired together are not adjacent, the way they are in the given examples.
  Posted by Charlie on 2005-04-20 19:38:43

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