急急急

实验一/test2.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+using namespace std;
+
+typedef struct
+{
+    string id;
+    string name;
+    double price;
+} book;
+
+void swap(double &num1, double &num2)
+{
+    double temp = num1;
+    num1 = num2;
+    num2 = temp;
+}
+
+book sort(book &books)
+{
+    book new_books[100];
+    
+}