BJFUOJ：基于链式存储结构的图书信息表的创建和输出

代码

#include <bits/stdc++.h>
using namespace std;
int i = 0;
struct book{
	string bookno;
	string name;
	double price;
};

typedef struct Lnode{
	book data;
	struct Lnode *next;
}Lnode,*Linklist;

void Init_list(Linklist &l){
	l = new Lnode;
	l->next = NULL;
}

int input(Linklist &l){
	string bookno;
	string name;
	double price;
	Linklist p,q;
	p = l;
	while(cin>>bookno>>name>>price){
		if(bookno == "0" && name == "0" && price == 0) break;
		q = new Lnode;
		q->data.bookno = bookno;
		q->data.name = name;
		q->data.price = price;
		

		p->next = q;
		q->next = NULL;
		p = q;
		
		i++;
	}
	return i;

} 

void output(Linklist &l){
	Linklist r = l->next;
	while(r){
		cout<<r->data.bookno<<" "<<r->data.name<<" ";
		printf("%.2lf\n",r->data.price);
		r = r->next;
	}
	
} 
int main(){
	Linklist l;
	Init_list(l);
	int n = input(l);
	cout<<n<<endl;
	output(l);
	return 0; 
}