- A6
- B5
- C4
- D3
Step-by-Step Solution
Steps: I 6,47,18,39,23; II 6,18,47,39,23; III 6,18,23,47,39; IV 6,18,23,39,47 (sorted). Four steps are needed.
Answer: C) 4
A number-arrangement machine, given an input row of numbers, rearranges it in steps. In each step the smallest number not yet placed at the front is shifted to the leftmost open position, and the remaining numbers keep their relative order. The machine stops when the numbers are in ascending order. Input: 47, 18, 39, 6, 23. How many steps are required to completely arrange this input?
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