动态顺序表
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//SeqList.h
#ifndef __SEQLIST_H__
#define __SEQLIST_H__
#include<string.h>
#include<assert.h>
#include<stdlib.h>
typedef int DataType;
typedef struct SeqList
{
DataType* array;
size_t size;
DataType capacity; //容量
}SeqList,*pSeqList;
void InitSeqList(pSeqList pSeq);
void PushBack(pSeqList pSeq,DataType x);
void PrintSeqList(pSeqList pSeq);
void PopBack(pSeqList pSeq);
void PushFront(pSeqList pSeq, DataType x);
void PopFront(pSeqList pSeq);
void Insert(pSeqList pSeq, int pos, DataType x);
void Remove(pSeqList pSeq, DataType x);
void RemoveAll(pSeqList pSeq, DataType x);
int Find(pSeqList pSeq,DataType x);
void Erase(pSeqList pSeq,DataType pos);
void ReverseList(pSeqList pSeq);
void SortList(pSeqList pSeq);
void SelectSortList(pSeqList pSeq);
int BinarySearch(pSeqList Seq, DataType x);
void CheckCapacity(pSeqList pSeq) //检查容量
{
if(pSeq->size >= pSeq->capacity)
{
pSeq->capacity = pSeq->capacity*2+3;
pSeq->array = (DataType*)realloc(pSeq->array,pSeq->capacity*sizeof(DataType));
// DataType *tmp = (DataType *)malloc(sizeof(DataType)*pSeq->capacity*2);
// memcpy(tmp,pSeq->array,sizeof(DataType)*pSeq->size);
// free(pSeq->array);
// pSeq->array = tmp;
}
}
void InitSeqList(pSeqList pSeq) //初始化顺序表
{
assert(pSeq);
// pSeq->array = (DataType*)malloc(sizeof(DataType)*3);
// pSeq->size = 0;
// pSeq->capacity = 3;
pSeq->array = NULL;
pSeq->size = 0;
pSeq->capacity = 0;
}
void PushBack(pSeqList pSeq,DataType x) //尾插
{
assert(pSeq);
CheckCapacity(pSeq);
pSeq->array[pSeq->size++] = x;
}
void PopBack(pSeqList pSeq) //尾删
{
assert(pSeq);
if(pSeq->size <= 0)
{
printf("SeqList is empty");
return;
}
pSeq->array[pSeq->size-1] = NULL;
pSeq->size--;
}
void PushFront(pSeqList pSeq, DataType x) //头插
{
int i = 0;
assert(pSeq);
CheckCapacity(pSeq);
for(i = pSeq->size-1; i >= 0; i--)
{
pSeq->array[i+1] = pSeq->array[i];
}
pSeq->array[0] = x;
pSeq->size++;
}
void PopFront(pSeqList pSeq) //头删
{
int i = 0;
assert(pSeq);
if(pSeq->size <= 0)
{
printf("SeqList is empty");
return;
}
for(i = 1; i < pSeq->size; i++)
{
pSeq->array[i-1] = pSeq->array[i];
}
pSeq->size--;
}
void Destroy(pSeqList pSeq) //销毁
{
assert(pSeq);
pSeq->array = NULL;
pSeq->size = 0;
pSeq->capacity = 0;
}
void PrintSeqList(pSeqList pSeq) //打印
{
int i = 0;
assert(pSeq);
for(i = 0; i < pSeq->size;i++)
{
printf("%d ",pSeq->array[i]);
}
}
void Insert(pSeqList pSeq, int pos, DataType x) //在某个位置处插入
{
int i = 0;
assert(pSeq);
CheckCapacity(pSeq);
for(i = pSeq->size-1; i >= pos; i--)
{
pSeq->array[i+1] = pSeq->array[i];
}
pSeq->array[pos] = x;
pSeq->size++;
}
int Find(pSeqList pSeq,DataType x) //查找
{
int i = 0;
assert(pSeq);
if(pSeq->size <= 0)
{
printf("SeqList is empty");
return -1;
}
for(i = 0; i < pSeq->size; i++)
{
if(pSeq->array[i] == x)
{
return i;
}
}
return -1;
}
void Erase(pSeqList pSeq,DataType pos) //按位置删除
{
int i = 0;
assert(pSeq);
if(pSeq->size <= 0)
{
printf("SeqList is empty");
return;
}
for(i = pos+1; i < pSeq->size; i++)
{
pSeq->array[i-1] = pSeq->array[i];
}
pSeq->size--;
}
void Remove(pSeqList pSeq, DataType x) //删除
{
int pos = Find(pSeq,x);
assert(pSeq);
if(pos != -1)
{
Erase(pSeq,pos);
}
else
{
printf("not exist");
}
}
void RemoveAll(pSeqList pSeq, DataType x) //删除所有的x
{
int count = 0;
int i = 0;
assert(pSeq);
if(pSeq->size <= 0)
{
printf("SeqList is empty");
return;
}
for(i = 0; i < pSeq->size; i++)
{
if(pSeq->array[i] == x)
{
count++;
}
else
{
pSeq->array[i-count] = pSeq->array[i];
}
}
pSeq->size-=count;
}
void ReverseList(pSeqList pSeq) // 逆置
{
int left = 0;
int right = pSeq->size-1;
assert(pSeq);
while(left < right)
{
int tmp = pSeq->array[left];
pSeq->array[left] = pSeq->array[right];
pSeq->array[right] = tmp;
left++;
right--;
}
}
void SortList(pSeqList pSeq) //冒泡排序
{
int i = 0, j = 0;
assert(pSeq);
for(i = 0; i < pSeq->size-1; i++)
{
int exchange = 0;
for(j = 0; j < pSeq->size-i-1; j++)
{
if(pSeq->array[j] > pSeq->array[j+1])
{
int tmp = pSeq->array[j];
pSeq->array[j] = pSeq->array[j+1];
pSeq->array[j+1] = tmp;
exchange = 1;
}
}
if(exchange == 0)
{
return;
}
}
}
void SelectSortList(pSeqList pSeq) //选择排序
{
int i = 0, j = 0;
int min = 0;
int tmp;
assert(pSeq);
for(i = 0; i < pSeq->size-1; i++)
{
min = i;
for(j = i+1; j < pSeq->size; j++)
{
if(pSeq->array[min] > pSeq->array[j])
{
min = j;
}
tmp = pSeq->array[min];
pSeq->array[min] = pSeq->array[i];
pSeq->array[i] = tmp;
}
}
}
int BinarySearch(pSeqList pSeq, DataType x) //二分查找
{
int left = 0;
int right = pSeq->size-1;
assert(pSeq);
while(left <= right)
{
int mid = left - (left - right)/2;
if(pSeq->array[mid] > x)
{
right = mid-1;
}
else if(pSeq->array[mid] < x)
{
left = mid+1;
}
else
{
return mid;
}
}
return -1;
}
#endif // __SEQLIST_H__
//SeqList.c
#include<stdio.h>
#include"SeqList.h"
void Test1()
{
SeqList seq;
InitSeqList(&seq);
PushBack(&seq,1);
PushBack(&seq,2);
PushBack(&seq,3);
PushBack(&seq,4);
PopBack(&seq);
PrintSeqList(&seq);
Destroy(&seq);
}
void Test2()
{
SeqList seq;
int ret;
InitSeqList(&seq);
PushBack(&seq,1);
PushBack(&seq,2);
PushBack(&seq,3);
PushBack(&seq,4);
PushFront(&seq,0);
PopFront(&seq);
Insert(&seq,2,6);
ret = Find(&seq,6);
printf("%d\n",ret);
PrintSeqList(&seq);
}
void Test3()
{
SeqList seq;
InitSeqList(&seq);
PushBack(&seq,1);
PushBack(&seq,2);
PushBack(&seq,3);
PushBack(&seq,4);
PushBack(&seq,4);
PushBack(&seq,2);
PushBack(&seq,5);
PushBack(&seq,6);
PopBack(&seq);
Erase(&seq,2);
Remove(&seq,2);
RemoveAll(&seq,4);
PrintSeqList(&seq);
}
void Test4()
{
SeqList seq;
int pos;
InitSeqList(&seq);
PushBack(&seq,1);
PushBack(&seq,2);
PushBack(&seq,3);
PushBack(&seq,4);
PushBack(&seq,4);
PushBack(&seq,5);
ReverseList(&seq);
SortList(&seq);
pos = BinarySearch(&seq,2);
printf("%d\n",pos);
PrintSeqList(&seq);
}
void Test5()
{
SeqList seq;
int pos;
InitSeqList(&seq);
PushBack(&seq,1);
PushBack(&seq,2);
PushBack(&seq,3);
PushBack(&seq,4);
PushBack(&seq,4);
PushBack(&seq,5);
ReverseList(&seq);
// SelectSortList(&seq);
// Select_SortList(&seq);
pos = BinarySearch(&seq,2);
printf("%d\n",pos);
PrintSeqList(&seq);
}
int main()
{
//Test1();
//Test2();
//Test3();
//Test4();
Test5();
return 0;
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