list.h
#define MaxSize 50 typedef int ElemType; typedef struct { ElemType data[MaxSize]; int length; } SqList; void CreateList(SqList *&L, ElemType a[], int n);//用数组创建线性表 void InitList(SqList *&L);//初始化线性表InitList(L) void DestroyList(SqList *&L);//销毁线性表DestroyList(L) bool ListEmpty(SqList *L);//判定是否为空表ListEmpty(L) int ListLength(SqList *L);//求线性表的长度ListLength(L) void DispList(SqList *L);//输出线性表DispList(L) bool GetElem(SqList *L,int i,ElemType &e);//求某个数据元素值GetElem(L,i,e) int LocateElem(SqList *L, ElemType e);//按元素值查找LocateElem(L,e) bool ListInsert(SqList *&L,int i,ElemType e);//插入数据元素ListInsert(L,i,e) bool ListDelete(SqList *&L,int i,ElemType &e);//删除数据元素ListDelete(L,i,e)#endif // LIST_H_INCLUDED list.cpp
#include <stdio.h> #include <malloc.h> #include "list.h" //用数组创建线性表 void CreateList(SqList *&L, ElemType a[], int n) { int i; L=(SqList *)malloc(sizeof(SqList)); for (i=0; i<n; i++) L->data[i]=a[i]; L->length=n; } //初始化线性表InitList(L) void InitList(SqList *&L) //引用型指针 { L=(SqList *)malloc(sizeof(SqList)); //分配存放线性表的空间 L->length=0; } //销毁线性表DestroyList(L) void DestroyList(SqList *&L) { free(L); } //判定是否为空表ListEmpty(L) bool ListEmpty(SqList *L) { return(L->length==0); } //求线性表的长度ListLength(L) int ListLength(SqList *L) { return(L->length); } //输出线性表DispList(L) void DispList(SqList *L) { int i; if (ListEmpty(L)) return; for (i=0; i<L->length; i++) printf("%d ",L->data[i]); printf("\n"); } //求某个数据元素值GetElem(L,i,e) bool GetElem(SqList *L,int i,ElemType &e) { if (i<1 || i>L->length) return false; e=L->data[i-1]; return true; } //按元素值查找LocateElem(L,e) int LocateElem(SqList *L, ElemType e) { int i=0; while (i<L->length && L->data[i]!=e) i++; if (i>=L->length) return 0; else return i+1; } //插入数据元素ListInsert(L,i,e) bool ListInsert(SqList *&L,int i,ElemType e) { int j; if (i<1 || i>L->length+1) return false; //参数错误时返回false i--; //将顺序表逻辑序号转化为物理序号 for (j=L->length; j>i; j--) //将data[i..n]元素后移一个位置 L->data[j]=L->data[j-1]; L->data[i]=e; //插入元素e L->length++; //顺序表长度增1 return true; //成功插入返回true } //删除数据元素ListDelete(L,i,e) bool ListDelete(SqList *&L,int i,ElemType &e) { int j; if (i<1 || i>L->length) //参数错误时返回false return false; i--; //将顺序表逻辑序号转化为物理序号 e=L->data[i]; for (j=i; j<L->length-1; j++) //将data[i..n-1]元素前移 L->data[j]=L->data[j+1]; L->length--; //顺序表长度减1 return true; //成功删除返回true } main.cpp
#include "list.h" #include <stdio.h> void unionList(SqList *LA, SqList *LB, SqList *&LC) { int lena,i; ElemType e; InitList(LC); for (i=1; i<=ListLength(LA); i++) //将LA的所有元素插入到Lc中 { GetElem(LA,i,e); ListInsert(LC,i,e); } lena=ListLength(LA); //求线性表LA的长度 for (i=1; i<=ListLength(LB); i++) { GetElem(LB,i,e); //取LB中第i个数据元素赋给e if (!LocateElem(LA,e)) //LA中不存在和e相同者,插入到LC中 ListInsert(LC,++lena,e); } } //用main写测试代码 int main() { SqList *sq_a, *sq_b, *sq_c; ElemType a[6]= {5,8,7,2,4,9}; CreateList(sq_a, a, 6); printf("LA: "); DispList(sq_a); ElemType b[6]= {2,3,8,6,0}; CreateList(sq_b, b, 5); printf("LB: "); DispList(sq_b); unionList(sq_a, sq_b, sq_c); printf("LC: "); DispList(sq_c); return 0; }
