【数据结构】顺序表的增删改查

小灰灰 2022-08-25 01:42 154阅读 0赞

简单顺序表的增删改查实例：

#include <stdio.h>
    
    #define MAX 100
    
    typedef struct 
    {
    	int length;
    	int data[MAX];
    }Sqlist,*PSqlist;
    
    void initList(PSqlist p);
    void insertList(PSqlist p,int elem);
    void deleteList(PSqlist p,int locate);
    void displist(PSqlist p);
    void modiList(PSqlist p,int locate,int elem);
    
    int main()
    {
    	Sqlist list;
    	PSqlist plist = &list;
    
    	// 初始化
    	initList(plist);
    	// 增
    	insertList(plist,12);
    	insertList(plist,13);
    	insertList(plist,14);
    	insertList(plist,15);
    	displist(plist);
    	// 删
    	deleteList(plist,1);
    	printf("\nAfter Delete\n");
    	displist(plist);
    	// 改
    	modiList(plist,3,111);
    	// 查
    	printf("\nAfter Modified\n");
    	displist(plist);
    }
    
    void initList(PSqlist p)
    {
    	p->length = 0;
    
    	for (int i = 0; i < 100; i ++)
    		p->data[i] = 0;
    }
    
    void insertList(PSqlist p,int elem)
    {
    	p->data[p->length] = elem;
    	p->length ++;
    }
    
    void deleteList(PSqlist p,int locate)
    {
    	if (locate > p->length || locate < 0)
    	{
    		printf("输入无效");
    		return;
    	}
    	for (int i = locate; i < p ->length-1; i++)
    		p->data[i] =  p->data[i+1]; 
    	p->data[p->length] = 0;
    	p->length --;
    }
    
    void displist(PSqlist p)
    {
    	for (int i = 0; i < p->length; i++)
    		printf("%d\t",p->data[i]);
    	printf("\n");
    }
    
    void modiList(PSqlist p,int locate,int elem)
    {
    	if (locate > p->length || locate < 0)
    	{
    		printf("输入无效");
    		return;
    	}
    	p->data[locate] = elem;
    }

【数据结构】顺序表的增删改查

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