【数据结构】顺序表的增删改查

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 Deleten");
	displist(plist);
	// 改
	modiList(plist,3,111);
	// 查
	printf("nAfter Modifiedn");
	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("%dt",p->data[i]);
	printf("n");
}

void modiList(PSqlist p,int elem)
{
	if (locate > p->length || locate < 0)
	{
		printf("输入无效");
		return;
	}
	p->data[locate] = elem;
}

（编辑：李大同）

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