diff --git a/实验一/test2.cpp b/实验一/test2.cpp
index 644bd89..cb37e59 100644
--- a/实验一/test2.cpp
+++ b/实验一/test2.cpp
@@ -9,15 +9,34 @@ typedef struct
     double price;
 } book;
 
-void swap(double &num1, double &num2)
+void swap(book &book1, book &book2)
 {
-    double temp = num1;
-    num1 = num2;
-    num2 = temp;
+    book temp = book1;
+    book1 = book2;
+    book2 = temp;
 }
 
-book sort(book &books)
+int length_of(book books[]){
+	return sizeof(books[0])/sizeof(books);
+}
+
+book sort(book books[])
 {
-    book new_books[100];
+    for(int i=0;i<length_of(books);i++){
+		for(int j=0;j<length_of(books)-1-i;j++){
+			if(books[i]<books[i+1]){
+				swap(books[i],books[i+1])
+			}
+		}
+	}
+}
+
+int main(){
+	book books[100];
+	for(int i=0,1;i++){
+		cin>>
+	}
+	
+}
     
-}
\ No newline at end of file
+}