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#冒泡排序
def bunnle_sort(list):
count = len(list) - 1
for index in range(count,0,-1):
for sub_index in range(index):
if list[sub_index] > list[sub_index+1]:
list[sub_index],list[sub_index+1] = list[sub_index+1],list[sub_index]
return list
list = [5,4,3,1,8]
print(bunnle_sort(list))
#从小到大或从大到小排序
def sorts(list):
list1 = sorted(list,reverse = False)
return list1
print(sorts(list))
#快速排序
lists1 = [8,6,9,2,5]
def quike_sort(lists,left,right):
if left >= right:
return lists
#定义游标
low = left
high = right
#定义标志元素K值
key = lists[low]
while low < high:
#从右侧往左依次和标志元素进行对比,如果右侧的元素大于标志元素Key
while low < high and lists[high] >= key:
#右侧减一
high-=1
#否则low赋上high值
lists[low] = lists[high]
# 从左侧往右依次和标志元素进行对比,如果左侧的元素小于标志元素Key
while low < high and lists[low] <= key:
# 左侧加一
low += 1
# 否则high赋上low值
lists[high] = lists[low]
#最后给high位置赋值
lists[high] = key
#处理左侧元素
quike_sort(lists,left,low-1)
quike_sort(lists,low+1,right)
return lists
print(quike_sort(lists1,0,4))
#求素数
def is_prime(n):
if n <=1:
return False
for i in range(2,n-1):
if n % i ==0:
return False
return True
for i in range(0,100):
if is_prime(i):
print(i)