[C++知识库]C语言顺序表实现

#include<stdio.h>
#include<stdlib.h>
#define MAXSIZE 100
#define OK true
#define ERROR false
#define Status bool
#define OVERFLOW -2 
typedef struct{
	char name[20];
	int count;
}Book;
typedef struct{
	Book *elem;
	int length;		
}SqList;
//顺序表初始化 
Status initList(SqList &s){
	s.elem = new Book[MAXSIZE];
	if(!s.elem){
		exit(OVERFLOW);
	}
	s.length = 0;
	return OK;
}

//销毁顺序表 
void DestroyList(SqList &s){
	if(s.elem){
		delete s.elem;
	}
}

//清空顺序表 
void ClearList(SqList &s){
	s.length = 0;
}

//获取顺序表长度 
int GetLength(SqList &s){
	return s.length;
} 
//判断顺序表是否为空 
int IsEmpty(SqList &s){
	return s.length == 0?1:0;
}

//获取顺序表中的某个元素 
int GetElem(SqList &s,int i,Book &b){
	if(i < 1 || i > s.length || s.length == 0 || !s.elem){
		return ERROR;
	}
	b = s.elem[i-1];
	return OK;
}

//查找元素 
int LocationElem(SqList &s,Book &b){
	if(IsEmpty(s)){
		return ERROR;
	}
	Book *book = s.elem;
	for(int i=0;i<=0;i++){
		if(b.name == book[i].name){
			return i;
		}	
	}
	return ERROR;
}
//扩容 
void AddCapacity(SqList &s){
	if(s.length > MAXSIZE){
		Book *books = new Book[MAXSIZE * 2];
		for(int i = 0;i< s.length;i++){
			books[i] = s.elem[i];
		}
		s.elem = books;
	}
}
 
//添加元素 
int addElem(SqList &s,Book &b){
	if(!s.elem){
		return ERROR;
	}
	AddCapacity(s);
	s.elem[s.length] = b;
	s.length++;
	return OK;
}

//插入元素 
int insertElem(SqList &s,Book &b,int location){
	if(location < 1 || location > s.length+1)return ERROR; 
	if(!s.elem){
		return ERROR;
	}
	AddCapacity(s);
	Book temp;
	for(int i=location-1;i< s.length;i++){
		temp = s.elem[i];
		s.elem[i] = b;
		b = temp; 
	}
	s.elem[s.length] = b;
	s.length++;
	return OK;
}
//插入元素，书本实现 
int insertElem02(SqList &s,Book &b,int location){
	if(location < 1 || location > s.length+1)return ERROR; 
	if(!s.elem){
		return ERROR;
	}
	AddCapacity(s);
	for(int i=s.length-1;i>=location-1;i--){
		s.elem[i+1] = s.elem[i];
	}
	s.elem[location-1] = b;
	s.length++;
	return OK;
}

int DeleteElem(SqList &s,int location,Book &b){
	if(!s.elem || s.length == 0 || location < 0 || location > s.length){
		return ERROR;
	}
	b = s.elem[location-1];
	for(int i=location-1;i<= s.length-1;i++){
		s.elem[i] = s.elem[i+1];
	}
	s.length--;
	return OK;
}
//打印元素 
void print(SqList &s){
	if(!s.elem || s.length == 0){
		return;
	}
	for(int i=0;i< s.length;i++){
		printf("%s ",s.elem[i].name);
	}
}

int main(){
	SqList l;
	initList(l);
	Book book = {"123",12};
	addElem(l,book);
	Book book1 = {"124",13};
	addElem(l,book1);
	Book book2 = {"125",13};
	addElem(l,book2);
	Book b3 = {"137",89};
	insertElem02(l,b3,4);
	print(l);
	printf("\n");
	Book del;
	DeleteElem(l,4,del);
	print(l);
//	Book result;
//	GetElem(l,1,result);
//	printf("%s",result.name);
}