HMMT 1999 O6
- Oral
- Answer
You want to sort the numbers 54321 using block moves. In other words, you can take any set of numbers that appear consecutively and put them back in at any spot as a block. For example, is a valid block move for 6 numbers. What is the minimum number of block moves necessary to get 12345 ?
Dataset text NuminaMath olympiads. Quoted with source.
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