Update ex1_23.cpp

Author: Mooophy

ch01/ex1_23.cpp

@@ -3,26 +3,24 @@
 
 int main()
 {
-  Sales_item currItem, valItem;
-  if (std::cin >> currItem)
-  {
-    int cnt = 1;
-    while (std::cin >> valItem)
+    Sales_item currItem, valItem;
+    if (std::cin >> currItem)
     {
-      if (valItem.isbn() == currItem.isbn())
-        ++cnt;
-      else 
-      {
-        std::cout << currItem << " occurs "
-                  << cnt << " times " << std::endl;
-        currItem = valItem;
-        cnt = 1;
-      }
+        int cnt = 1;
+        while (std::cin >> valItem)
+        {
+            if (valItem.isbn() == currItem.isbn())
+            {
+                ++cnt;
+            }
+            else
+            {
+                std::cout << currItem << " occurs " << cnt << " times " << std::endl;
+                currItem = valItem;
+                cnt = 1;
+            }
+        }
+        std::cout << currItem << " occurs "<< cnt << " times " << std::endl;
     }
-    
-    std::cout << currItem << " occurs "
-              << cnt << " times " << std::endl;
-  }
-  return 0;
+    return 0;
 }
-