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To analyze the recurrence relationship, you may use the stack of bricks recursion, the substitution method, or

another proof technique of your own choosing.

Screen Shot 2019-09-30 at 11.42.04 PM.png

Screen Shot 2019-09-30 at 11.42.04 PM.png

2 Quickselect with median-of-medians pivots (10 marks) In class, we saw a worst—case analysis of Quickselect using median of medians pivots.
This pivot was the median of those medians taken from % groups (each group being of
size 5), and the resulting runtime was 0(n). Show that if we instead use % groups of
size 7, then the resulting runtime is still 0(a). To analyze the recurrence relationship,
you may use the stack of bricks recursion, the substitution method, or another proof
technique of your own choosing.

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