（三）線性表菜單

#include "seqlist.h"

int main(){
	//定義一個線性表變量
	SqList sqlist;
	int choose, position, value;
	do{
		printf("************ seqlist menu ************\n");
		printf("\t1 創建順序表\n");
		printf("\t2 判斷順序表是否爲空\n");
		printf("\t3 清空順序表\n");
		printf("\t4 查找順序表中某一位置的值\n");
		printf("\t5 查找某值在線性表中的位置\n");
		printf("\t6 插入元素到順序表中的某個位置\n");
		printf("\t7 刪除順序表中的元素\n");
		printf("\t8 求線性表長度\n");
		printf("\t9 打印順序表所有元素\n");
		printf("\t0 退出\n\n");
		printf("please choose:");
		scanf("%d", &choose);

		switch (choose){
		case 1:
			create_SqList(&sqlist);
			printf("create complete!\n");
			break;
		case 2:
			isEmpty_SqList(sqlist) > 0 ? printf("空\n") : printf("非空\n");
			break;
		case 3:
			clear_SqList(&sqlist);
			printf("clear complete!\n");
			break;
		case 4:
			printf("enter a position:");
			scanf("%d", &position);
			printf("%d", getElement_Sqlist(&sqlist, position));
			break;
		case 5:
			printf("enter a value:");
			scanf("%d", &value);
			printf("%d", locate_Sqlist(&sqlist, value));
			break;
		case 6:
			printf("enter a value:");
			scanf("%d", &value);
			fflush(stdin);
			printf("enter a position:");
			scanf("%d", &position);
			insert_SqList(&sqlist, position, value);
			printf("insert complete!\n");
			break;
		case 7:
			printf("enter a value:");
			scanf("%d", &value);
			delete_SqList(&sqlist, value);
			printf("delete complete!\n");
			break;
		case 8:
			printf("順序表長度爲：%d\n", length_SqList(sqlist));
			break;
		case 9:
			traversal_Sqlist(sqlist);
			break;
		default:
			break;
		}

	} while (choose != 0);
	return 0;
}