From b98d65fa23ecd5afb89fe1c76d12376efa3cfdf4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BE=A1=E5=9D=82=E6=98=B4?= <gugugulaocuchen@gmail.com>
Date: Thu, 10 Oct 2024 13:30:25 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BE=93=E5=85=A5=E4=BF=AE=E5=A5=BD=E4=BA=86?=
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---
 homework2/test1.cpp | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/homework2/test1.cpp b/homework2/test1.cpp
index fd30240..3ddc42c 100644
--- a/homework2/test1.cpp
+++ b/homework2/test1.cpp
@@ -8,7 +8,7 @@ typedef struct node {
     string name;
     double price;
     struct node *next;
-} node, book_list*;
+} node, *book_list;
 
 void init_list(book_list *books) {
     *books = new node();
@@ -16,19 +16,31 @@ void init_list(book_list *books) {
 }
 
 void create_from_end(book_list *books) {
-    node *r = reinterpret_cast<node *>(books);
+    node *r = *books;
     node *s = new node();
     do {
         cin >> s->id >> s->name >> s->price;
         if (s->id == "0" && s->name == "0" && s->price == 0) {
-            r->next = s;
-        } else {
             r->next = NULL;
+        } else {
+            r->next = s;
         }
-    } while (r->next != NULL);
+        r = r->next;
+    } while (r != NULL);
+}
+
+void display(book_list *books) {
+    while ((*books)->next != NULL) {
+        *books = (*books)->next;
+        cout << (*books)->id << " " << (*books)->name << " " << fixed << setprecision(2) << (*books)->price << endl;
+    }
 }
 
 
 int main() {
+    book_list *books;
+    init_list(books);
+    create_from_end(books);
+    display(books);
     return 0;
 }