Update quick_sort.py #928
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Update quick_sort.py #928
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Use the last element as the first pivot, for it's easy to pop, this saves one element space. Iterating with the original list saves half the space, instead of generate a new shallow copy list by slice method.
poyea
approved these changes
Jun 28, 2019
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Use the last element as the first pivot, for it's easy to pop, this saves one element space.
Iterating with the original list saves half the space, instead of generate a new shallow copy list by slice method.