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顺序线性表的功能

//头文件 
#pragma once#define LIST_INIT_SIZE   50
#define LIST_INCREMENT   20
#define OK 1
#define ERROR 0typedef int Status;typedef char ElemType;typedef struct list_ {ElemType* elem;int length;int listize;
}SqList;// 1 初始化 函数
Status InitList_Sq(SqList& L);//2 想第i个位置插入数据
Status ListInsert_Sq(SqList& L, int i, ElemType e);//3 显示所有元素
void PrintAll(SqList L, void print(ElemType));//4 获取第i个元素的值
Status GetElem(SqList L, int i, ElemType& e);//5 打印一个元素
void PrintOne(ElemType e);//删除 第i个位置的元素
Status ListDelete(SqList& L, int i, ElemType& e);// 用完释放
void DestroyList(SqList& L);//获取e所在下标size_t LocateElem(SqList L,ElemType e);

#include <stdio.h>
#include <stdlib.h>
#include "mylist.h"Status InitList_Sq(SqList& L) {L.elem = (ElemType*)malloc(sizeof(ElemType) * LIST_INIT_SIZE);if (!L.elem)return ERROR;L.length = 0;L.listize = LIST_INIT_SIZE;return OK;
}Status ListInsert_Sq(SqList& L, int i, ElemType e) {// i必须大于0 ，小于等于 L.length + 1if (i<1 || i> L.length + 1)return ERROR;// 位置合理，空间不够if (L.length >= L.listize) {//扩空间ElemType* newbase = (ElemType*)realloc(L.elem, sizeof(ElemType) * (L.listize + LIST_INCREMENT));if (!newbase)exit(-1);L.elem = newbase;L.listize += LIST_INCREMENT;}ElemType* p;p = L.elem + (i - 1);p = &(L.elem[i - 1]);for (ElemType* q = L.elem + (L.length - 1); q >= p; q--)*(q + 1) = *q;*p = e;L.length += 1;return OK;
}
void PrintAll(SqList L, void print(ElemType)) {for (size_t i = 0; i < L.length; i++) {print(L.elem[i]);}printf("\n");
}
Status GetElem(SqList L, int i, ElemType& e) {// i必须大于0 ，小于等于 L.length if (i<1 || i> L.length)return ERROR;e = L.elem[i - 1]; //e = *(L.elem + i - 1);	return OK;
}void PrintOne(ElemType e) {printf("%d ", e);
}Status ListDelete(SqList& L, int i, ElemType& e) {// i必须大于0 ，小于等于 L.length if (i<1 || i> L.length)return ERROR;e = L.elem[i - 1]; //e = *(L.elem + i - 1);	for (ElemType* p = L.elem + i - 1; p < L.elem + L.length; p++)*p = *(p + 1);L.length--;return OK;
}void DestroyList(SqList& L) {free(L.elem);L.length = 0;L.listize = 0;
}size_t LocateElem(SqList L, ElemType e){	for (size_t i = 0; i < L.length; i++) {if (L.elem[i] == e) {return i + 1;}}return 0;
}

#include <stdio.h>
#include <stdlib.h>
#include "mylist.h"// a = a U b
void unionSet(SqList& a, SqList b);void unionSet(SqList& a, SqList b) {//遍历bfor (size_t i = 1; i <= b.length; i++) {//i代表位置，并非下标（从1开始），length不代表下标ElemType e;GetElem(b, i,e);//询问 e 是否在 a集合if (!LocateElem(a, e)) {ListInsert_Sq(a, a.length+1, e);}}
}int main() {//2024-5-5SqList a, b;InitList_Sq(a);InitList_Sq(b);ListInsert_Sq(a, 1, 1);ListInsert_Sq(a, 2, 2);ListInsert_Sq(a, 3, 3);ListInsert_Sq(a, 4, 4);ListInsert_Sq(a, 5, 5);ListInsert_Sq(b, 1, 1);ListInsert_Sq(b, 2, 3);ListInsert_Sq(b, 3, 9);ListInsert_Sq(b, 4, 10);puts("A原来:");PrintAll(a,PrintOne);puts("B原来:");PrintAll(b, PrintOne);unionSet(a,b);puts("A现在:");PrintAll(a, PrintOne);return 0;
}int main1() { //2024-5-4SqList L;if (!InitList_Sq(L)) {printf("线性表建立失败，程序退出。");exit(-1);}ListInsert_Sq(L,1,100);ListInsert_Sq(L, 2, 101);ListInsert_Sq(L, 3, 102);ListInsert_Sq(L, 4, 103);ListInsert_Sq(L, 5, 104);ListInsert_Sq(L, 6, 105);ListInsert_Sq(L, 7, 106);PrintAll(L,PrintOne);char e;GetElem(L, 2,e);PrintOne(e);printf("\n");ListDelete(L,2,e);puts("现在的列表：");PrintAll(L,PrintOne);printf("刚才删除的元素是:\n");PrintOne(e);printf("\n");return 0;
}