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Simple Python Sorting Algorithms
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def quick_sort(s: list, start: int, end: int): | |
if start < end: | |
pos = start | |
for i in range(start, end): | |
if s[i] < s[end]: | |
s[i], s[pos] = s[pos], s[i] | |
pos += 1 | |
s[pos], s[end] = s[end], s[pos] | |
quick_sort(s, start, pos - 1) | |
quick_sort(s, pos + 1, end) | |
return s | |
def merge_sort(s: list): | |
if len(s) <= 1: | |
return s | |
else: | |
half = len(s) // 2 | |
s[:half], s[half:] = merge_sort(s[:half]), merge_sort(s[half:]) | |
result = [] | |
i, j = 0, 0 | |
while i < len(s[:half]) and j < len(s[half:]): | |
result.append(s[:half][i] if s[:half][i] < s[half:][j] else s[half:][j]) | |
i, j = (i + 1, j) if s[:half][i] < s[half:][j] else (i, j + 1) | |
result.extend(s[:half][i:]) | |
result.extend(s[half:][j:]) | |
return result | |
def minimum(s: list): | |
min_idx = 0 | |
for i in range(len(s)): | |
if s[i] < s[min_idx]: | |
min_idx = i | |
return min_idx | |
def select_sort(s: list): | |
for i in range(0, len(s)): | |
idx = i + minimum(s[i:]) | |
s[idx], s[i] = s[i], s[idx] | |
return s | |
def insertion_sort(s: list): | |
for i in range(1, len(s)): | |
next_val = s[i] | |
j = i - 1 | |
while j >= 0 and s[j] > next_val: | |
s[j + 1] = s[j] | |
j -= 1 | |
s[j + 1] = next_val | |
return s | |
def bubble_sort(s: list): | |
for i in range(len(s), 0, -1): | |
for j in range(len(s[:i]) - 1): | |
if s[j] > s[j + 1]: | |
s[j], s[j + 1] = s[j + 1], s[j] | |
return s | |
foo = [-3, -9, -18, -2, 21, -5, 7, 14, 3, 0, 16] | |
# print(merge_sort(foo)) | |
# print(select_sort(foo)) | |
# print(insertion_sort(foo)) | |
# print(bubble_sort(foo)) | |
# print(quick_sort(foo, 0, len(foo) - 1)) |
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Nan c'est du bon je recommande, en plus il vend de bon maccaron mach'Allah