#include <stdio.h>
//冒泡排序,适合于数据量较小的情况,效率较低(最好的时间复杂度为O(n),最坏时间复杂度为O(n*n),平均时间复杂度为O(n*n))
void bubble_sort(int a[], int len)
{
int j, i, temp;
for (i = 0; i < len - 1; i++)
{
for (j = 0; j < len - 1 - i; j++)
{
if(a[j] > a[j + 1])
{
temp = a[j];
a[j] = a[j + 1];
a[j + 1] = temp;
}
}
}
}
//交换排序
void swapsort(int a[],int length)
{
for(int i = 0; i < length-1; i++)
{
for(int j = i+1; j < length; j++)
{
if(a[j] < a[i])
{
int temp = a[i];
a[i] = a[j];
a[j] = temp;
}
}
}
}
//快速排序
void QuickSort(int a[], int low, int high)
{
if(low >= high)
{
return;
}
int first = low;
int last = high;
int key = a[first];/*用字表的第一个记录作为枢轴*/
while(first < last)
{
while(first < last && a[last] >= key)
{
--last;
}
a[first] = a[last];/*将比第一个小的移到低端*/
while(first < last && a[first] <= key)
{
++first;
}
a[last] = a[first];
/*将比第一个大的移到高端*/
}
a[first] = key;/*枢轴记录到位*/
QuickSort(a, low, first-1);
QuickSort(a, first+1, high);
}
int main()
{
int number[8] = {95, 45, 15, 78, 84, 51, 24, 12};
int len = sizeof(number)/sizeof(int);
bubble_sort(number, len);
for (int i = 0; i < len; i++)
{
printf("%d ", number[i]);
}
printf("\n");
return 0;
}