seqlist.h

<span style="font-size:24px;">#ifndef __SEQLIST_H__
#define __SEQLIST_H__
#include<stdio.h>
#include<assert.h>
#include<string.h>
#define MAX_SIZE 1000
typedef int DataType;
typedef struct seqlist
{
	DataType array[MAX_SIZE];
	size_t size;
}seqlist;
typedef enum tag
{
	one,//删去第一个
	more,//所有都删去
}Tag;
void Init(seqlist* pSeq);
void PushBack(seqlist* pSeq, DataType x);
void PushFront(seqlist* pSeq, DataType x);
void Print(seqlist* pSeq);
void PopBack(seqlist* pSeq);
void PopFront(seqlist*pSeqsssss);
void Insert(seqlist* pSeq, size_t index, DataType x);
void Modify(seqlist* pSeq, size_t index, DataType x);
void removed(seqlist* pSeq, size_t index);
void Erase(seqlist* pSeq, DataType x, Tag all);
int Find(seqlist* pSeq, DataType x, size_t index);

 
#endif		//__SEQLIST_H__</span>

#include"seqlist.h"

void Init(seqlist* pSeq)
{
	assert(pSeq);
	memset(pSeq->array, 0, MAX_SIZE*sizeof(DataType));
	pSeq->size = 0;/////////////size要初始化。否则是随机值会出现故障
}
void PushBack(seqlist* pSeq, DataType x)
{
	assert(pSeq);
	assert(pSeq->size <= MAX_SIZE);
	pSeq->array[pSeq->size++] = x;
}
void PushFront(seqlist* pSeq, DataType x)
{
	assert(pSeq);
	assert(pSeq->size <= MAX_SIZE);
	int i;
	for (i = pSeq->size; i > 0; i--)
	{
		pSeq->array[i] = pSeq->array[i - 1];
	}
	pSeq->array[0] = x;
	pSeq->size++;
}
void Insert(seqlist* pSeq, size_t index, DataType x)
{
	assert(pSeq);
	assert(index < pSeq->size);
	assert(pSeq->size < MAX_SIZE);
	int i = pSeq->size - 1;
	for (; i >= (int)index; i--)
	{
		pSeq->array[i + 1] = pSeq->array[i];
	}
	pSeq->array[index] = x;
	pSeq->size++;
}
void Print(seqlist* pSeq)
{
	assert(pSeq);
	size_t i = 0;
	for (; i < pSeq->size; i++)
	{
		printf("%d ", pSeq->array[i]);
	}
	printf("\n");
}
void PopBack(seqlist* pSeq)
{
	assert(pSeq);
	pSeq->size--;
}
void PopFront(seqlist* pSeq)
{
	assert(pSeq);
	size_t i;
	for (i = 0; i < pSeq->size; i++)
	{
		pSeq->array[i] = pSeq->array[i + 1];
	}
	pSeq->size--;
}
void Modify(seqlist* pSeq, size_t index, DataType x)
{
	assert(pSeq);
	assert(index < pSeq->size);
	pSeq->array[index] = x;
}
void removed(seqlist* pSeq, size_t index)
{
	assert(pSeq);
	assert(index < pSeq->size);
	size_t i = index;
	for (; i<pSeq->size-1 ; i++)
	{
		pSeq->array[i] = pSeq->array[i + 1];
	}
	pSeq->size--;
}
//返回的值为-1时，找不到此元素；否则返回的值为找到的元素的下标。
int Find(seqlist* pSeq, DataType x, size_t index)
{
	assert(pSeq);
	int i = index;
	for (; i < (int)pSeq->size; i++)
	{
		if (pSeq->array[i] == x)
		{
			return i;
		}
	}
	return -1;
}
void Erase(seqlist* pSeq, DataType x, Tag all)
{
	assert(pSeq);
	int ret;
	ret = Find(pSeq, x, 0);
	if (ret == -1)
	{
		printf("顺序表中没有这个元素\n");
	}
	else if (all == one)
	{
		removed(pSeq, ret);
	}
	else
	{
		for (; ret != -1;)
		{
			removed(pSeq, ret);
			ret = Find(pSeq, x, ret);
		}
	}
}

void Test()
{
	seqlist s;
	Init(&s);
	PushBack(&s, 1);
	PushBack(&s, 2);
	PushBack(&s, 2);
	PushBack(&s, 2);
	PushBack(&s, 3);
	PushBack(&s, 2);
	PushBack(&s, 4);
	PushBack(&s, 2);
	Print(&s);
	PopBack(&s);
	Print(&s);
	PushFront(&s, 5);
	Print(&s);
	PopFront(&s);
	Print(&s);
	Insert(&s, 0, 24);
	Print(&s);
	Modify(&s, 2, 90);
	Print(&s);
	removed(&s, 0);
	Print(&s);
	Erase(&s, 2, more);
	Print(&s);
}
void main()
{
	Test();
}