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@ -1,16 +1,39 @@
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void bubble(int *a,int n)
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{
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int i,j,temp;
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for(i=0;i<n-1;i++)
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{
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for(j=i+1;j<n;j++)
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{
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if(a[i]>a[j])
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{
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temp=a[i];
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a[i]=a[j];
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a[j]=temp;
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}
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}
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}
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}
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1.冒泡排序
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1.1 描述
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冒泡排序(英语:Bubble Sort)是一种简单的排序算法。它重复地走访过要排序的数列,一次比较两个元素,
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如果他们的顺序(如从大到小、首字母从A到Z)错误就把他们交换过来。
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1.2 复杂程度
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时间复杂度O(n^2)
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空间复杂度O(1)
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空间复杂度O(n^2)
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1.3 代码
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#include <stdio.h>
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void bubble_sort(int arr[], int len)
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{
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int i, j, temp;
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for (i = 0; i < len - 1; i++)
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for (j = 0; j < len - 1 - i; j++)
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if (arr[j] > arr[j + 1])
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{
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temp = arr[j];
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arr[j] = arr[j + 1];
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arr[j + 1] = temp;
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}
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}
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int main()
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{
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int arr[] = { 22, 34, 3, 32, 82, 55, 89, 50, 37, 5, 64, 35, 9, 70 };
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int len = (int) sizeof(arr) / sizeof(*arr);
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bubble_sort(arr, len);
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int i;
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for (i = 0; i < len; i++)
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printf("%d ", arr[i]);
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return 0;
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}
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1.4 运行时间
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0.01884s
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