sq_include

#include<stdio.h>
#define MaxLen 50
typedef int elemtype;
typedef elemtype sqlist[MaxLen];

int create(sqlist A)
{
    int i,n;
    printf("please input the count of element:");
    scanf("%d",&n);
    for(i=0;i<n;i++)
    {
        scanf("%d",&A[i]);
    }
    return n;
}

void disp(sqlist A,int n)
{
    int i;
    if(n==0)
        printf("the sequence list is empty!\n");
    for(i=0;i<n;i++)
        printf("%d ",A[i]);
    printf("\n");
}

/*insert num to front of number i*/
int ins(sqlist A,int n,int i,elemtype x)
{
    int j;
    if(i<0 || i>n)
        printf("the value of i out-of rang!\n");
    else
    {
        for(j=n-1;j>=i;j--)
        {
            A[j+1]=A[j];
        }
        A[i]=x;
        n++;
    }
    return n;
}
    
/*delete the element of number i*/
int del(sqlist A,int n,int i)
{
    int j;
    if(i<0 || i>n)
        printf("the value of i out-of rang!\n");
    else
    {
        for(j=i-1;j<n-1;j++)
            A[j]=A[j+1];
        n--;
    }
    return n;
}

/*judgment if value x exit*/
int find(sqlist A,int n,elemtype x)
{
    int i=0;
    while(i<=n && A[i]!=x)
    {
        i++;
    }
    if(i<n)
        return 1;
    else
        return 0;

}