#define Listsize 100
#include
typedef struct
{ char elem[Listsize];
int length;}Sqlist;
Sqlist L;
void add(int i,char b)
{int j;
if(L.length==Listsize) printf("插入失败");
for(j=L.length;j>=i+1;j--)
L.elem[j+1]=L.elem[j];
L.elem[i+1]=b;
++L.length;
for(i=1;i<=L.length;i++)
printf("%c",L.elem[i]);}
void search(char b)
{int j;
for(j=1;j<=L.length;j++)
if(L.elem[j]==b)
{printf("%c is in the %d",b,j-1);
break;}
if(j>L.length) printf("%c is not in the list",b);}
void delet(int i)
{
int j;
for(j=i+2;j<=L.length;j++)
L.elem[j-1]=L.elem[j];
--L.length;
for(j=1;j<=L.length;j++)
printf("%c",L.elem[j]);
}
void main()
{char x,e1,e2;
int p1,p2,p3;
int i;
printf("please input the length of the list:");
scanf("%d",&L.length);
printf("please input %d elements:",L.length-1);
for(i=1;i<=L.length;i++)
scanf("%c",&L.elem[i]);
printf("what do you want to do?a(add) s(search) or d(delete)");getchar( );
scanf("%c",&x);
if(x=='a')
{printf("please input the new element and the position:");getchar( );
scanf("%c,%d",&e1,&p1);
add(p1,e1);}
else if(x=='s')
{printf("please input the element :");getchar( );
scanf("%c",&e2);
search(e2);}
else if(x=='d')
{printf("please input the position :");getchar( );
scanf("%d",&p3);
delet(p3);}
}
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