蓝桥杯Python冒泡排序

蓝桥杯Python冒泡排序的代码如下：

def bubble_sort(words):
    count = 0
    for i in range(len(words)):
        for j in range(i+1, len(words)):
            if words[i > words[j]:
                words[i], words[j = words[j], words[i]
                count += 1
    return count

print(bubble_sort(list('onmlkjihgfedcba')))
print(bubble_sort(list('jonmlkihgfedcba')))

这段代码实现了冒泡排序算法，它会遍历数组，每次将相邻的两个元素进行比较，如果前一个元素大于后一个元素，则交换它们的位置。经过一轮遍历后，最大的元素被冒泡到最后。代码中的count变量用来记录交换的次数，最后返回count的值。冒泡排序是一种简单但效率较低的排序算法，它的时间复杂度为O(n^2)。在参考代码中，str1是待排序的字符串，通过将字符串转换成列表lis，然后进行冒泡排序，最后将排序后的列表转换回字符串并输出。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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