这道题总重要的就是传参,参数一定要传对,第一个传数组的地址,然后数组里元素的个数,元素类型所占的字节数,还有cmp函数,实现代码如下:
#include<stdio.h>
int int_cmp(const void* p1, const void* p2)
{
return (*(int *)p1 > *(int *)p2);
}
void swap(void* p1, void* p2, int size)
{
int i = 0;
for (i = 0; i < size; i++)
{
char tmp = *((char*)p1 + i);
*((char*)p1 + i) = *((char*)p2 + i);
*((char*)p2 + i) = tmp;
}
}
void bubble(void* arr, int count, int size, int(*cmp)(void*, void*))
{
int i = 0;
int j = 0;
for (i = 0; i < count; i++)
{
for (j = 0; j < count - i - 1; j++)
{
if (cmp((char*)arr + j * size, (char*)arr + (j + 1) * size) > 0)
{
swap((char*)arr + j * size, (char*)arr + (j + 1) * size, size);
}
}
}
}
int main()
{
int arr[] = { 1, 2, 3, 8, 9, 5, 4, 7, 6, 0 };
int count = sizeof(arr) / sizeof(arr[0]);
int i = 0;
bubble(arr, count, sizeof(int), int_cmp);
for (i = 0; i < count; i++)
{
printf("%d ", arr[i]);
}
printf("\n");
system("pause");
return 0;
}