初步完成第三题

homework1/test2.cpp

@@ -28,7 +28,7 @@ void sort(book *arr, int size) {
 int main() {
     book books[100];
     int size = 0;
-    for (size = 0; 1; size++) {
+    for (size = 0; true; size++) {
         cin >> books[size].id >> books[size].name >> books[size].price;
         if (books[size].id == "0" && books[size].name == "0" && books[size].price == 0) {
             break;
@@ -36,7 +36,7 @@ int main() {
     }
     sort(books, size);
     for (int i = 0; i < size; i++) {
-        cout << books[i].id << " " << books[i].name << " " << fixed << setprecision(2) << books[i].price << endl;
+        cout << books[i].id << "\t" << books[i].name << "\t" << fixed << setprecision(2) << books[i].price << endl;
     }
     return 0;
 }