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A number-arrangement machine rearranges an input in steps by moving the largest not-yet-placed number to the left end each step. Example — Input: 21 45 12 63 30; Step I: 63 21 45 12 30; Step II: 45 63 21 12 30. For the input '17 52 34 09 48', what is Step II?

Competition practiceInput-Output
  • A52 48 17 34 09
  • B48 52 17 09 34
  • C48 52 34 17 09
  • D48 52 17 34 09

Step-by-Step Solution

Step I moves the largest (52) to the left: 52 17 34 09 48. Step II moves the next largest (48) to the left end: 48 52 17 34 09.
Answer: D) 48 52 17 34 09

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