这篇文章给大家分享的是有关C++如何实现数据结构的顺序表的内容。小编觉得挺实用的,因此分享给大家做个参考,一起跟随小编过来看看吧。
代码
1.SeqList.h
#ifndef SEQLIST_H#define SEQLIST_H#include<iostream>using namespace std;template<class T,int MAXSIZE>class SeqList{T data[MAXSIZE];int length;public:SeqList();SeqList(T a[],int n);~SeqList();int ListLength();T Get(int pos);int Locate(T item);void SeqPrint();void Insert(int i, T item);T Delete(int i);};#endif
2.SeqList.cpp
#define _CRT_SECURE_NO_WARNINGS 1#include"SeqList.h"template<class T, int MAXSIZE>SeqList<T,MAXSIZE>::SeqList(){length = 0;}template<class T, int MAXSIZE>SeqList<T, MAXSIZE>::SeqList(T a[], int n){if (n < MAXSIZE){length = n;for (int i = 0; i < n; i++){data[i] = a[i];}}else{cerr << "您的数据已经超过范围,系统无法继续工作" << endl;exit(-1);}}template<class T, int MAXSIZE>SeqList<T, MAXSIZE>::~SeqList(){}template<class T, int MAXSIZE>int SeqList<T, MAXSIZE>::ListLength(){return length;}template<class T, int MAXSIZE>T SeqList<T, MAXSIZE>::Get(int pos){if (pos > length || pos < 0){cerr << "您要查找的位置不存在,系统无法继续为您服务" << endl;exit(-1);}else{return data[pos - 1];}}template<class T, int MAXSIZE>int SeqList<T, MAXSIZE>::Locate(T item){for (int i = 0; i < length; i++){if (data[i] == item)return i + 1;}return -1;}template<class T, int MAXSIZE>void SeqList<T, MAXSIZE>::SeqPrint(){for (int i = 0; i < length; i++){cout << data[i] << " ";}cout << endl;}template<class T, int MAXSIZE>void SeqList<T, MAXSIZE>::Insert(int i, T item){if (length < MAXSIZE){for (int j = length - 1; j>=i - 1; j--){data[j + 1] = data[j];}data[i - 1] = item;length++;}else{cerr << "抱歉,当前已经达到系统最大的储存,无法为您插入" << endl;exit(-1);}}template<class T, int MAXSIZE>T SeqList<T, MAXSIZE>::Delete(int i){if (length == 0){cerr << "当前无可删除元素" << endl;exit(-1);}if (i<1 || i>length){cerr << "该位置非法" << endl;exit(-1);}T x = data[i - 1];for (int j = i; j < length; j++){data[j - 1] = data[j];}length--;return x;}
3.test.cpp
#define _CRT_SECURE_NO_WARNINGS 1#include"SeqList.cpp"#include<iostream>using namespace std;void menu(){cout << "|------------------------------------|" << endl;cout << "|----------- 欢迎来到顺序表 ---------|" << endl;cout << "|---------------1.插入---------------|" << endl;cout << "|---------------2.删除---------------|" << endl;cout << "|---------------3.求长---------------|" << endl;cout << "|---------------4.取值---------------|" << endl;cout << "|---------------5.定位---------------|" << endl;cout << "|---------------6.打印---------------|" << endl;cout << "|---------------0.退出---------------|" << endl;cout << "|------------------------------------|" << endl;}int main(){int *a;int n;cout << "请输入您要构造的顺序表的长度" << endl;cin >> n;a = new int[n];cout << "请输入该顺序表中的每一个元素" << endl;for (int i = 0; i < n; i++){cin >> a[i];}SeqList<int, 20>seq(a, n);cout << "现在开始我们的程序之旅" << endl;int input=0;do{menu();cout << "输入您要进行的操作的编号" << endl;cin >> input;switch (input){case 1:cout << "请输入您要插入的位置和数值" << endl;int pos;int value;cin >> pos;cin >> value;seq.Insert(pos,value);break;case 2:cout << "请输入您要删除的位置" << endl;int pos1;cin >> pos1;cout << "您删除的元素的值为:";cout << seq.Delete(pos1) << endl;break;case 3:cout << "您的顺序表当前的长度为:" << seq.ListLength() << endl;break;case 4:cout << "请输入您要查找的位置" << endl;int pos2;cin >> pos2;cout << "您查找的元素的值为:";cout << seq.Get(pos2) << endl;;break;case 5:cout << "请输入您要查找的元素" << endl;int item;cin >> item;cout << "您查找的元素的位置为:";cout << seq.Locate(item) << endl;;break;case 6:cout << "当前顺序表如下:" << endl;seq.SeqPrint();break;case 0:cout << "程序退出,感谢使用" << endl;exit(-1);break;default :cout << "您的输入有误,请重新选择" << endl;}} while (input);return 0;}
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