在静态链表中,每一个结点包含两部分内容,一部分是data(即有意义的数据),另一部分是cur(存储该元素下一个元素所在数组对应的下标)。
有几个特殊的结点:
首先是下标为0的结点中不包含有意义的数据,它的cur存储的是备用链表(即没有存储的数据的那些结点)第一个结点的下标。
最后就是链表的最后一个元素(并不一定是数组的最后一个元素),链表最后一个元素的cur一般存放-1,表示它后面的结点为空了。
1.创建结点
typedef struct StaticLinkedNode{
	char data;
	int next;
} *NodePtr;
typedef struct StaticLinkedList{
	NodePtr nodes;
	int* used;
} *ListPtr;
2.创建链表
ListPtr initLinkedList(){
	
	ListPtr tempPtr = (ListPtr)malloc(sizeof(struct StaticLinkedList));
	
	tempPtr->nodes = (NodePtr)malloc(sizeof(struct StaticLinkedNode) * DEFAULT_SIZE);
	tempPtr->used = (int*)malloc(sizeof(int) * DEFAULT_SIZE);
	
	tempPtr->nodes[0].data = '\0';
	tempPtr->nodes[0].next = -1;
	
	tempPtr->used[0] = 1;
	int i; 
	for (i = 1; i < DEFAULT_SIZE; i ++){
		tempPtr->used[i] = 0;
	}
	return tempPtr;
}
 3.打印链表
void printList(ListPtr paraListPtr){
	int p = 0;
	while (p != -1) {
		printf("%c", paraListPtr->nodes[p].data);
		p = paraListPtr->nodes[p].next;
	}// Of while
	printf("\r\n");
}4.插入结点
ListPtr initLinkedList(){
	
	ListPtr tempPtr = (ListPtr)malloc(sizeof(struct StaticLinkedList));
	
	tempPtr->nodes = (NodePtr)malloc(sizeof(struct StaticLinkedNode) * DEFAULT_SIZE);
	tempPtr->used = (int*)malloc(sizeof(int) * DEFAULT_SIZE);
	
	tempPtr->nodes[0].data = '\0';
	tempPtr->nodes[0].next = -1;
	
	tempPtr->used[0] = 1;
	int i; 
	for (i = 1; i < DEFAULT_SIZE; i ++){
		tempPtr->used[i] = 0;
	}
	return tempPtr;
}5.删除结点
void deleteElement(ListPtr paraListPtr, char paraChar){
	int p, q;
	p = 0;
	while ((paraListPtr->nodes[p].next != -1) && (paraListPtr->nodes[paraListPtr->nodes[p].next].data != paraChar)){
		p = paraListPtr->nodes[p].next;
	}
	if (paraListPtr->nodes[p].next == -1) {
		printf("Cannot delete %c\r\n", paraChar);
		return;
	}
	q = paraListPtr->nodes[p].next;
	paraListPtr->nodes[p].next = paraListPtr->nodes[paraListPtr->nodes[p].next].next;
	
	
	paraListPtr->used[q] = 0;
}
6.测试
void appendInsertDeleteTest(){
	ListPtr tempList = initLinkedList();
	printList(tempList);
	insertElement(tempList, 'a', 0);
	insertElement(tempList, 'p', 1);
	insertElement(tempList, 'p', 2);
	insertElement(tempList, 'l', 3);
	insertElement(tempList, 'e', 4);
	printList(tempList);
	printf("Deleting 'e'.\r\n");
	deleteElement(tempList, 'e');
	printf("Deleting 'a'.\r\n");
	deleteElement(tempList, 'a');
	
	printf("Deleting 'p'.\r\n");
	deleteElement(tempList, 'o');
	printList(tempList);
	insertElement(tempList, 'x', 1);
	printList(tempList);
}7.总程序和运行结果
#include <stdio.h>
#include <malloc.h>
#define DEFAULT_SIZE 5
typedef struct StaticLinkedNode{
	char data;
	int next;
} *NodePtr;
typedef struct StaticLinkedList{
	NodePtr nodes;
	int* used;
} *ListPtr;
ListPtr initLinkedList(){
	
	ListPtr tempPtr = (ListPtr)malloc(sizeof(struct StaticLinkedList));
	
	tempPtr->nodes = (NodePtr)malloc(sizeof(struct StaticLinkedNode) * DEFAULT_SIZE);
	tempPtr->used = (int*)malloc(sizeof(int) * DEFAULT_SIZE);
	
	tempPtr->nodes[0].data = '\0';
	tempPtr->nodes[0].next = -1;
	
	tempPtr->used[0] = 1;
	int i; 
	for (i = 1; i < DEFAULT_SIZE; i ++){
		tempPtr->used[i] = 0;
	}
	return tempPtr;
}
void printList(ListPtr paraListPtr){
	int p = 0;
	while (p != -1) {
		printf("%c", paraListPtr->nodes[p].data);
		p = paraListPtr->nodes[p].next;
	}// Of while
	printf("\r\n");
}// Of printList
void insertElement(ListPtr paraListPtr, char paraChar, int paraPosition){
	int p, q, i;
	p = 0;
	for (i = 0; i < paraPosition; i ++) {
		p = paraListPtr->nodes[p].next;
		if (p == -1) {
			printf("The position %d is beyond the scope of the list.\r\n", paraPosition);
			return;
		}
	} 
	for (i = 1; i < DEFAULT_SIZE; i ++){
		if (paraListPtr->used[i] == 0){
		
			printf("Space at %d allocated.\r\n", i);
			paraListPtr->used[i] = 1;
			q = i;
			break;
		}
	}
	if (i == DEFAULT_SIZE){
		printf("No space.\r\n");
		return;
	}
	paraListPtr->nodes[q].data = paraChar;
	printf("linking\r\n");
	paraListPtr->nodes[q].next = paraListPtr->nodes[p].next;
	paraListPtr->nodes[p].next = q;
}
void deleteElement(ListPtr paraListPtr, char paraChar){
	int p, q;
	p = 0;
	while ((paraListPtr->nodes[p].next != -1) && (paraListPtr->nodes[paraListPtr->nodes[p].next].data != paraChar)){
		p = paraListPtr->nodes[p].next;
	}
	if (paraListPtr->nodes[p].next == -1) {
		printf("Cannot delete %c\r\n", paraChar);
		return;
	}
	q = paraListPtr->nodes[p].next;
	paraListPtr->nodes[p].next = paraListPtr->nodes[paraListPtr->nodes[p].next].next;
	
	
	paraListPtr->used[q] = 0;
}
void appendInsertDeleteTest(){
	ListPtr tempList = initLinkedList();
	printList(tempList);
	insertElement(tempList, 'a', 0);
	insertElement(tempList, 'p', 1);
	insertElement(tempList, 'p', 2);
	insertElement(tempList, 'l', 3);
	insertElement(tempList, 'e', 4);
	printList(tempList);
	printf("Deleting 'e'.\r\n");
	deleteElement(tempList, 'e');
	printf("Deleting 'a'.\r\n");
	deleteElement(tempList, 'a');
	
	printf("Deleting 'p'.\r\n");
	deleteElement(tempList, 'o');
	printList(tempList);
	insertElement(tempList, 'x', 1);
	printList(tempList);
}
void main(){
	appendInsertDeleteTest();
}











