顺序表

[c]代码库

#include<iostream>
#include<stdio.h> 
#include<string.h>
#define max 100
int s[max];//顺序表 

void creates(int *ss,int length)//初始化顺序表 
{
	int value;
	printf("请输入%d个数:\n",length); 
	for(int i = 0; i < length; i++)
	{
		scanf("%d",&value);
		ss[i] = value;
	}
} 


int searchdex(int *ss, int length, int dex)//查找下标dex个元素  不合法返回-1 
{
	if(dex < 0 || dex >= length)
	{
		printf("查找的下标不合法！"); 
		return -1; 
	}
	else
	{
		return ss[dex];
	}
}

int searchnum(int *str,int length,int num)//返回下标 如果没有查到返回-1 
{
	int cnt = 0;
	while(str[cnt] != num && cnt < length)
	{
		cnt++;
	}
	if(cnt == length) return -1;
	else return cnt;
}

int insert(int *str, int *length,int dex,int num)//擦插入一个元素 
{
	int cnt ;
	if(dex > *length || dex < 0) return -1;
	else
	{
		for(cnt = *length; cnt > dex ; dex--)
		    str[cnt] = str[cnt-1]; 
		str[dex] = num;
	}
	*length = *length +  1;
	return 1;
} 

int del(int *str, int *length)//删除一个数 删除一个数是x的元素  或者是下标为dex的数 
{
	int ch;
	printf("请输入删除的模式： 1 删除一个下标 2 删除一个数 ");
	scanf("%d",&ch);
	switch(ch)
	{
		case 1:
			{
				printf("请输入删除的下标：");
				int dex;
				scanf("%d",&dex);
				for(int i = dex; i < *length; i++)
				    str[i] = str[i+1];
				*length = *length +1;
				return 1; 
			}
		case 2:
			{
				printf("请输入删除的数：");
				int num;
				scanf("%d",&num);
				int dex = searchnum(str,*length, num);
				for(int i = dex; i < *length; i++)
				    str[i] = str[i+1];
				*length = *length +1;
				return 1;
			}
			 
	}
	return 1;
}

void show(int s[], int length )//输出数组 
{
	printf("数组里的元素为：");
	for(int i = 0 ; i < length-1; i++)
	   printf("%d->",s[i]);
	printf("%d\n",s[length-1]);
	scanf("\n");
} 


int main()
{
	int length;
	printf("输入线性表的长度:");
	scanf("%d:",&length);
	creates(s,length);
	show(s,length);
	return 0;
}