初步完成实验1

test1.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+#include <iomanip>
+
+using namespace std;
+
+typedef struct book
+{
+    string no;
+    string name;
+    double price;
+} book;
+
+int main()
+{
+    book books[100];
+    int i = 0;
+
+    // input
+    for (i; true; i++)
+    {
+        cin >> books[i].no >> books[i].name >> books[i].price;
+        if (books[i].no == "0" && books[i].name == "0" && books[i].price == 0)
+        {
+            break;
+        }
+    }
+    // output
+    cout << i + 1 << endl;
+    for (int j = 0; j <= i; j++)
+    {
+        cout << books[j].no << "\t" << books[j].name << "\t" << setprecision(2) << books[j].price << endl;
+    }
+}