Algorithms - Insertion Sort - 插入排序
Insertion Sort - 插入排序
插入排序算法的 '时间复杂度' 是输入规模的二次函数, 深度抽象后表示为, n 的二次方. import time, random
F = 0
alist = []
while F < 13:
F += 1
alist.append(random.randrange(0,100))
j =1
print("List-O",alist)
startT =time.time()
while j < alist.__len__():
factor = alist[j]
j += 1
print("-",factor)
i = j -1
while i > 0:
i -= 1
if alist[i] > factor:
alist[i],alist[i+1] = alist[i+1],alist[i]
print("Steps", alist)
endT = time.time()
print("List-S", alist)
print("Time elapsed :", endT - startT) Output,
List-O [67, 22, 94, 33, 81, 92, 65, 94, 56, 10, 55, 5, 64]
- 22
Steps [22, 67, 94, 33, 81, 92, 65, 94, 56, 10, 55, 5, 64]
- 94
Steps [22, 67, 94, 33, 81, 92, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 67, 94, 33, 81, 92, 65, 94, 56, 10, 55, 5, 64]
- 33
Steps [22, 67, 33, 94, 81, 92, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 94, 81, 92, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 94, 81, 92, 65, 94, 56, 10, 55, 5, 64]
- 81
Steps [22, 33, 67, 81, 94, 92, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 94, 92, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 94, 92, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 94, 92, 65, 94, 56, 10, 55, 5, 64]
- 92
Steps [22, 33, 67, 81, 92, 94, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 92, 94, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 92, 94, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 92, 94, 65, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 92, 94, 65, 94, 56, 10, 55, 5, 64]
- 65
Steps [22, 33, 67, 81, 92, 65, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 81, 65, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 67, 65, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
- 94
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 94, 94, 56, 10, 55, 5, 64]
- 56
Steps [22, 33, 65, 67, 81, 92, 94, 56, 94, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 92, 56, 94, 94, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 81, 56, 92, 94, 94, 10, 55, 5, 64]
Steps [22, 33, 65, 67, 56, 81, 92, 94, 94, 10, 55, 5, 64]
Steps [22, 33, 65, 56, 67, 81, 92, 94, 94, 10, 55, 5, 64]
Steps [22, 33, 56, 65, 67, 81, 92, 94, 94, 10, 55, 5, 64]
Steps [22, 33, 56, 65, 67, 81, 92, 94, 94, 10, 55, 5, 64]
Steps [22, 33, 56, 65, 67, 81, 92, 94, 94, 10, 55, 5, 64]
- 10
Steps [22, 33, 56, 65, 67, 81, 92, 94, 10, 94, 55, 5, 64]
Steps [22, 33, 56, 65, 67, 81, 92, 10, 94, 94, 55, 5, 64]
Steps [22, 33, 56, 65, 67, 81, 10, 92, 94, 94, 55, 5, 64]
Steps [22, 33, 56, 65, 67, 10, 81, 92, 94, 94, 55, 5, 64]
Steps [22, 33, 56, 65, 10, 67, 81, 92, 94, 94, 55, 5, 64]
Steps [22, 33, 56, 10, 65, 67, 81, 92, 94, 94, 55, 5, 64]
Steps [22, 33, 10, 56, 65, 67, 81, 92, 94, 94, 55, 5, 64]
Steps [22, 10, 33, 56, 65, 67, 81, 92, 94, 94, 55, 5, 64]
Steps [10, 22, 33, 56, 65, 67, 81, 92, 94, 94, 55, 5, 64]
- 55
Steps [10, 22, 33, 56, 65, 67, 81, 92, 94, 55, 94, 5, 64]
Steps [10, 22, 33, 56, 65, 67, 81, 92, 55, 94, 94, 5, 64]
Steps [10, 22, 33, 56, 65, 67, 81, 55, 92, 94, 94, 5, 64]
Steps [10, 22, 33, 56, 65, 67, 55, 81, 92, 94, 94, 5, 64]
Steps [10, 22, 33, 56, 65, 55, 67, 81, 92, 94, 94, 5, 64]
Steps [10, 22, 33, 56, 55, 65, 67, 81, 92, 94, 94, 5, 64]
Steps [10, 22, 33, 55, 56, 65, 67, 81, 92, 94, 94, 5, 64]
Steps [10, 22, 33, 55, 56, 65, 67, 81, 92, 94, 94, 5, 64]
Steps [10, 22, 33, 55, 56, 65, 67, 81, 92, 94, 94, 5, 64]
Steps [10, 22, 33, 55, 56, 65, 67, 81, 92, 94, 94, 5, 64]
- 5
Steps [10, 22, 33, 55, 56, 65, 67, 81, 92, 94, 5, 94, 64]
Steps [10, 22, 33, 55, 56, 65, 67, 81, 92, 5, 94, 94, 64]
Steps [10, 22, 33, 55, 56, 65, 67, 81, 5, 92, 94, 94, 64]
Steps [10, 22, 33, 55, 56, 65, 67, 5, 81, 92, 94, 94, 64]
Steps [10, 22, 33, 55, 56, 65, 5, 67, 81, 92, 94, 94, 64]
Steps [10, 22, 33, 55, 56, 5, 65, 67, 81, 92, 94, 94, 64]
Steps [10, 22, 33, 55, 5, 56, 65, 67, 81, 92, 94, 94, 64]
Steps [10, 22, 33, 5, 55, 56, 65, 67, 81, 92, 94, 94, 64]
Steps [10, 22, 5, 33, 55, 56, 65, 67, 81, 92, 94, 94, 64]
Steps [10, 5, 22, 33, 55, 56, 65, 67, 81, 92, 94, 94, 64]
Steps [5, 10, 22, 33, 55, 56, 65, 67, 81, 92, 94, 94, 64]
- 64
Steps [5, 10, 22, 33, 55, 56, 65, 67, 81, 92, 94, 64, 94]
Steps [5, 10, 22, 33, 55, 56, 65, 67, 81, 92, 64, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 65, 67, 81, 64, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 65, 67, 64, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 65, 64, 67, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
Steps [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
List-S [5, 10, 22, 33, 55, 56, 64, 65, 67, 81, 92, 94, 94]
Time elapsed : 0.015672683715820312
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