sql sever默认null最小
升序排序
null值在最前面,若要放在后面,则:
order by case when col is null then 1 else 0 end, col
降序排序
null值在最后面,若要放在前面,则:
order by case when col is null t...
//快速排序:Partition分割函数,三数中值分割
bool g_bInvalidInput = false;
int median3(int* data, int start, int end){
int middle = (start + end) >> 1;
if (data[start] > data[middle...