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Update merge_sort.py

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GN-Yu 2022-12-30 13:22:59 -05:00 committed by GitHub
parent 96355afb1c
commit 506bc009c7
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1 changed files with 2 additions and 2 deletions
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codes/python/chapter_sorting/merge_sort.py
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@ -28,11 +28,11 @@ def merge(nums, left, mid, right):
if i > left_end:
nums[k] = tmp[j]
j += 1
# 否则，若“右子数组已全部合并完”或“左子数组元素 < 右子数组元素”，则选取左子数组元素，并且 i++
# 否则，若“右子数组已全部合并完”或“左子数组元素 <= 右子数组元素”，则选取左子数组元素，并且 i++
elif j > right_end or tmp[i] <= tmp[j]:
nums[k] = tmp[i]
i += 1
# 否则，若“左子数组元素 > 右子数组元素”，则选取右子数组元素，并且 j++
# 否则，若“左右子数组都未全部合并完”且“左子数组元素 > 右子数组元素”，则选取右子数组元素，并且 j++
else:
nums[k] = tmp[j]
j += 1