b4ee283b23
I believe I have multiple other snippets and attempts scattered across /tmp, ~/programming, and other directories. Again, I created these files and others before the mono-repo.
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# Implementation for a problem from "Crack the Coding Interview".
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#
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# Dependencies:
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# - python 2.7.16
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# - entr 4.1
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#
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# To run the tests, run: `python 11_1.py`
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# For a tight development loop, run: `echo 11_1.py | entr python /_`
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#
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# Author: William Carroll <wpcarro@gmail.com>
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################################################################################
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# Implementation
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################################################################################
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def insert_sorted(xs, ys):
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"""
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Merges `ys` into `xs` and ensures that the result is sorted.
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Assumptions:
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- `xs` and `ys` are both sorted.
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- `xs` has enough unused space to accommodate each element in `ys`.
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"""
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for y in ys:
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xi = xs.index(None) - 1
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yi = xs.index(None)
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xs[yi] = y
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while xi != -1 and y < xs[xi]:
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xs[xi], xs[yi] = xs[yi], xs[xi]
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xi, yi = xi - 1, yi - 1
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return xs
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################################################################################
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# Tests
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################################################################################
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assert insert_sorted([1, 3, 5, None, None], [2, 4]) == [1, 2, 3, 4, 5]
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assert insert_sorted([None, None], [2, 4]) == [2, 4]
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assert insert_sorted([None, None], [2, 4]) == [2, 4]
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assert insert_sorted([1, 1, None, None], [0, 0]) == [0, 0, 1, 1]
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assert insert_sorted([1, 1, None, None], [1, 1]) == [1, 1, 1, 1]
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print('All tests pass!')
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