| Exam Board | Edexcel |
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| Module | FD1 AS (Further Decision 1 AS) |
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| Year | 2023 |
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| Session | June |
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| Topic | Sorting Algorithms |
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1.
$$\begin{array} { l l l l l l l l l l l }
67 & 59 & 46 & 71 & 40 & 48 & 53 & 63 & 45 & 54 & 56
\end{array}$$
The list of eleven numbers shown above is to be sorted into descending order.
Carry out a quick sort to produce the sorted list. You should show the result of each pass and identify the pivots clearly.