mirror of
https://github.com/This-weiyuqing/DSAndOS.git
synced 2026-10-18 03:03:58 +08:00
update
This commit is contained in:
1 parent
16d694ffe3
commit
35e5484d7c
183 files changed
+362
-7145
No files matched your search
@@ -0,0 +1,65 @@
|
||||
//算法8.6 简单选择排序
|
||||
#include <iostream>
|
||||
using namespace std;
|
||||
#define MAXSIZE 20 //顺序表的最大长度
|
||||
typedef struct
|
||||
{
|
||||
int key;
|
||||
char *otherinfo;
|
||||
}ElemType;
|
||||
//顺序表的存储结构
|
||||
typedef struct
|
||||
{
|
||||
ElemType *r; //存储空间的基地址
|
||||
int length; //顺序表长度
|
||||
}SqList; //顺序表类型
|
||||
|
||||
void SelectSort(SqList &L)
|
||||
{
|
||||
//对顺序表L做简单选择排序
|
||||
int i,j,k;
|
||||
ElemType t;
|
||||
for(i=1;i<L.length;++i)
|
||||
{ //在L.r[i..L.length] 中选择关键字最小的记录
|
||||
k=i;
|
||||
for(j=i+1;j<=L.length;++j)
|
||||
if(L.r[j].key<L.r[k].key) k=j; //k指向此趟排序中关键字最小的记录
|
||||
if(k!=i) {t=L.r[i];L.r[i]=L.r[k];L.r[k]=t;} //交换r[i]与r[k]
|
||||
} //for
|
||||
} // SelectSort
|
||||
|
||||
void Create_Sq(SqList &L)
|
||||
{
|
||||
int i,n;
|
||||
cout<<"请输入数据个数,不超过"<<MAXSIZE<<"个。"<<endl;
|
||||
cin>>n; //输入个数
|
||||
cout<<"请输入待排序的数据:\n";
|
||||
while(n>MAXSIZE)
|
||||
{
|
||||
cout<<"个数超过上限,不能超过"<<MAXSIZE<<",请重新输入"<<endl;
|
||||
cin>>n;
|
||||
}
|
||||
for(i=1;i<=n;i++)
|
||||
{
|
||||
cin>>L.r[i].key;
|
||||
L.length++;
|
||||
}
|
||||
}
|
||||
|
||||
void show(SqList L)
|
||||
{
|
||||
int i;
|
||||
for(i=1;i<=L.length;i++)
|
||||
cout<<L.r[i].key<<endl;
|
||||
}
|
||||
|
||||
void main()
|
||||
{
|
||||
SqList L;
|
||||
L.r=new ElemType[MAXSIZE+1];
|
||||
L.length=0;
|
||||
Create_Sq(L);
|
||||
SelectSort(L);
|
||||
cout<<"排序后的结果为:"<<endl;
|
||||
show(L);
|
||||
}
|
||||
Reference in new issue
Block a user