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A number-arrangement machine, in each step, shifts the smallest remaining number to the left. Example — Input: 45 12 78 30; Step 1: 12 45 78 30; Step 2: 12 30 45 78. For Input: 62 25 40 18, what is Step 1?

Competition practiceInput-Output
  • A18 25 62 40
  • B18 25 40 62
  • C18 62 25 40
  • D18 40 25 62

Step-by-Step Solution

Step 1 brings the smallest number, 18, to the front while the others keep their order: 18 62 25 40.
Answer: C) 18 62 25 40

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