C++实现基于静态数组的顺序表

时间:2021-05-20

本文实例为大家分享了C++实现基于静态数组的顺序表,供大家参考,具体内容如下

实现的基本操作有:

1. 初始化
2. 尾插
3. 尾删
4. 头插
5. 头删
6.查找任意元素
7. 读任意位置元素
8. 修改任意位置元素
9. 查找指定元素值的下标
10. 在任意位置插入元素
11.删除指定位置的元素
12.删除任意元素
13.打印数据

头文件seqlist.h:

#pragma once #include<stdio.h>#include<stdlib.h>#include<assert.h>#define maxsize 1000//链表最多元素个数typedef int seqType;typedef struct seqlist{ seqType arr[maxsize];//数据域,存放数据 size_t size;//size_t是无符号长整型,是一种类型,size在数组中表示元素个数}seqlist ;void PrintSeqList(seqlist *seq); //打印数据void print_seqlist(char *s); //打印标题void seqlistInit(seqlist *seq); //链表初始化void seqlistPushBack(seqlist *seq, seqType value); //尾插元素,value是插入元素的值void seqlistPopBack(seqlist *seq); //尾删元素,value是插入元素的值void seqlistPushHead(seqlist*seq, seqType value); //头插元素void seqlistPopHead(seqlist*seq); //头删元素seqType seqlistFind(seqlist *seq, seqType data); //查找任意元素seqType seqlistRead_pos(seqlist*seq, size_t pos); //读取任意位置的元素size_t seqlistFind_pos(seqlist*seq, seqType value); //查找指定元素的下标seqType seqlistModify(seqlist*seq, size_t pos, seqType data); //修改任意位置的元素void seqlistInsert_pos(seqlist *seq, size_t pos, seqType data); //在任意位置插入元素void seqlistErase_pos(seqlist *seq, size_t pos); //删除任意位置的元素void seqlistRemove(seqlist *seq, seqType data); //删除元素

实现文件seqlist.c

#include"seqlist.h"void PrintSeqList(seqlist *seq)//打印数据{ size_t i = 0; if (seq->size == 0) { printf("线性表为空,打印结束\n"); return; } for (i = 0; i < seq->size; i++) { printf("下标为%d的元素是:%d\n",i, seq->arr[i]); } printf("\n");}void print_seqlist(char *s)//打印标题{ int i = 0; printf("%s\n",s); printf("\n");}void seqlistInit(seqlist *seq)//链表初始化{ assert(seq); seq->size = 0;//有效元素赋值为0;}void seqlistPushBack(seqlist *seq, seqType value)//尾插元素,value是插入元素的值{ assert(seq);//判断指针是否为空 if (seq->size == maxsize) { printf("元素已满,无法插入\n"); return; } else seq->arr[seq->size++] = value;}void seqlistPopBack(seqlist *seq)//尾删元素,value是插入元素的值{ assert(seq);//判断指针是否为空 if (seq->size ==0) { printf("内容已为空,无法删除\n"); return; } else seq->size--;}void seqlistPushHead(seqlist *seq, seqType value)//头插元素{ assert(seq);//判断指针是否为空 if (seq->size == maxsize) { printf("元素已满,无法插入\n"); return; } else { int i = seq->size - 1; for (; i >= 0; i--) { seq->arr[i + 1] = seq->arr[i]; } seq->arr[0]=value; seq->size++; }}void seqlistPopHead(seqlist *seq)//头删元素{ assert(seq);//判断指针是否为空 if (seq->size == 0) { printf("内容已为空,无法删除\n"); return; } else { size_t i =1; for (; i < seq->size; i++) { seq->arr[i - 1] = seq->arr[i]; } seq->size--; }}seqType seqlistFind(seqlist *seq, seqType data)//查找任意元素{ size_t i = 0; assert(seq);//判断指针是否为空 if (seq->size == 0) { printf("线性表为空\n"); return -1; } for (i = 0; i < seq->size - 1; i++) { if (seq->arr[i] == data) { return seq->arr[i]; } } return -1;}seqType seqlistRead_pos(seqlist *seq, size_t pos)//读取任意位置的元素{ assert(seq);//判断指针是否为空 if (seq->size == 0) { printf("内容为空,无法读取内容\n"); return -1; } else if (pos> seq->size) { printf("读取位置错误\n"); } else return seq->arr[pos];}size_t seqlistFind_pos(seqlist *seq, seqType value)//查找指定元素的下标{ assert(seq);//判断指针是否为空 size_t i= 0; for (; i < seq->size; i++) { if (seq->arr[i] == value) return i; } return -1;}seqType seqlistModify(seqlist *seq, size_t pos, seqType data)//修改任意位置元素{ assert(seq);//判断指针是否为空 if (seq->size == 0) { printf("内容为空,无法修改内容\n"); return -1; } for (; pos < seq->size; pos++) { seq->arr[pos] = data; return seq->arr[pos]; }}void seqlistInsert_pos(seqlist *seq, size_t pos, seqType data)//在任意位置插入元素{ assert(seq); if (seq->size == maxsize) { printf("内容已满,无法继续插入内容\n"); return; } else if (pos>seq->size) { printf("非法位置,不允许插入\n"); return; } else { size_t m= seq->size ; for (m = seq->size; m > pos; m--) { seq->arr[m] = seq->arr[m-1]; } seq->arr[pos] = data; seq->size++; }}void seqlistErase_pos(seqlist *seq, size_t pos)//删除任意位置的元素{ assert(seq); if (seq == NULL) { printf("内容已为空!\n"); return; } else if (pos > seq->size) { printf("该位置无法删除!\n"); return; } else { size_t i ; for (i = pos; i < seq->size-1; i++) { seq->arr[i] = seq->arr[i+1]; }seq->size--; }}void seqlistRemove(seqlist *seq, seqType data)//删除元素{ assert(seq);//判断指针是否为空 size_t i = 0; i = seqlistFind_pos(seq,data); if (i >= 0) { while (i <seq->size) { seq->arr[i] = seq->arr[i + 1]; i++; } seq->size--; return; } else { printf("没有找到该元素"); return; }}

在进行插入、删除等操作中,若对元素的位置移动不清楚的借助画图能更好地理解。

测试函数test.c

#define _CRT_SECURE_NO_WARNINGS 1#include"seqlist.h"void Test_PushBack()//测试顺序表尾插元素{ print_seqlist("*****尾插3个元素至顺序表*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 6); PrintSeqList(&seq);}void Test_PopBack()//测试顺序表尾删元素{ print_seqlist("*****尾删顺序表中的1个元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 6); PrintSeqList(&seq); seqlistPopBack(&seq); PrintSeqList(&seq);}void Test_PushHead()//头插元素{ print_seqlist("*****头插顺序表中的3个元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushHead(&seq, 2); seqlistPushHead(&seq, 4); seqlistPushHead(&seq, 6); PrintSeqList(&seq);}void Test_PopHead()//头删元素{ print_seqlist("*****头删顺序表中的1个元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushHead(&seq, 2); seqlistPushHead(&seq, 4); seqlistPushHead(&seq, 6); PrintSeqList(&seq); seqlistPopHead(&seq); PrintSeqList(&seq);}void Test_Find()//查找任意元素{ print_seqlist("*****查找顺序表中的任意元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 6); PrintSeqList(&seq); int temp = 0; temp = seqlistFind(&seq,2); printf("查找到的元素是%d\n", temp); printf("\n");}void Test_Read_pos()//读取任意位置元素{ print_seqlist("*****查找顺序表中的任意位置的元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 6); PrintSeqList(&seq); int temp = 0; temp=seqlistRead_pos(&seq, 1); printf("下标为1的元素是%d\n", temp); printf("下标为4的元素是:"); seqlistRead_pos(&seq, 4); printf("\n");}void Test_seqlistFind_pos()//测试查找指定元素的下标{ print_seqlist("*****查找顺序表中指定元素的下标*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 6); seqlistPushBack(&seq, 7); PrintSeqList(&seq); size_t pos = seqlistFind_pos(&seq, 4); size_t pos1 = seqlistFind_pos(&seq, 9); printf("元素4的下标为:%d\n", pos); printf("元素9的下标为:%d,元素不存在\n", pos1); printf("\n");}void Test_seqlistModify()//修改任意位置元素{ print_seqlist("*****修改顺序表中任意元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 6); seqlistPushBack(&seq, 7); PrintSeqList(&seq); int temp = seqlistModify(&seq, 1, 3); int temp1 = seqlistModify(&seq, 2, 8); PrintSeqList(&seq); printf("修改下标为1的元素为:%d\n", temp); printf("修改下标为2的元素为:%d\n", temp1);}void Test_seqlistInsert()//在任意位置插入元素{ print_seqlist("*****在顺序表中任意位置插入元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 5); seqlistPushBack(&seq, 6); PrintSeqList(&seq); seqlistInsert_pos(&seq, 2, 3); PrintSeqList(&seq); seqlistInsert_pos(&seq, 8, 9); }void Test_seqlistErase_pos()//删除任意位置元素{ print_seqlist("*****在顺序表中删除任意位置元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 5); seqlistPushBack(&seq, 6); PrintSeqList(&seq); seqlistErase_pos(&seq, 1); seqlistErase_pos(&seq, 4); PrintSeqList(&seq);}void Test_Remove()//删除任意元素{ print_seqlist("*****在顺序表中删除任意元素*****"); seqlist seq; seqlistInit(&seq); seqlistPushBack(&seq, 2); seqlistPushBack(&seq, 4); seqlistPushBack(&seq, 5); seqlistPushBack(&seq, 6); PrintSeqList(&seq); seqlistRemove(&seq, 4); PrintSeqList(&seq);}int main(){ Test_PushBack(); Test_PopBack(); Test_PushHead(); Test_PopHead(); Test_Find(); Test_Read_pos(); Test_seqlistFind_pos(); Test_seqlistModify(); Test_seqlistInsert(); Test_seqlistErase_pos(); Test_Remove(); return 0;}

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