Code enhancements in binary_insertion_sort.py (#10918)

* Code enhancements in binary_insertion_sort.py

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Bisma nadeem 2023-10-25 02:51:04 +05:00 committed by GitHub
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@ -12,10 +12,11 @@ python binary_insertion_sort.py
def binary_insertion_sort(collection: list) -> list: def binary_insertion_sort(collection: list) -> list:
"""Pure implementation of the binary insertion sort algorithm in Python """
:param collection: some mutable ordered collection with heterogeneous Sorts a list using the binary insertion sort algorithm.
comparable items inside
:return: the same collection ordered by ascending :param collection: A mutable ordered collection with comparable items.
:return: The same collection ordered in ascending order.
Examples: Examples:
>>> binary_insertion_sort([0, 4, 1234, 4, 1]) >>> binary_insertion_sort([0, 4, 1234, 4, 1])
@ -39,23 +40,27 @@ def binary_insertion_sort(collection: list) -> list:
n = len(collection) n = len(collection)
for i in range(1, n): for i in range(1, n):
val = collection[i] value_to_insert = collection[i]
low = 0 low = 0
high = i - 1 high = i - 1
while low <= high: while low <= high:
mid = (low + high) // 2 mid = (low + high) // 2
if val < collection[mid]: if value_to_insert < collection[mid]:
high = mid - 1 high = mid - 1
else: else:
low = mid + 1 low = mid + 1
for j in range(i, low, -1): for j in range(i, low, -1):
collection[j] = collection[j - 1] collection[j] = collection[j - 1]
collection[low] = val collection[low] = value_to_insert
return collection return collection
if __name__ == "__main__": if __name__ == "__main":
user_input = input("Enter numbers separated by a comma:\n").strip() user_input = input("Enter numbers separated by a comma:\n").strip()
try:
unsorted = [int(item) for item in user_input.split(",")] unsorted = [int(item) for item in user_input.split(",")]
print(binary_insertion_sort(unsorted)) except ValueError:
print("Invalid input. Please enter valid integers separated by commas.")
raise
print(f"{binary_insertion_sort(unsorted) = }")