Update ex3_4a.cpp

ch03/ex3_4a.cpp

@@ -2,22 +2,21 @@
 // If not, report which of the two is larger.
 #include <iostream>
 #include <string>
-
 using std::string;
 using std::cin;
 using std::cout;
 using std::endl;
 
 int main()
 {
-  string str1, str2;
-  while (cin >> str1 >> str2)
-  {
-    if (str1 == str2)
-      cout << "The two strings are equal." << endl;
-    else
-      cout << "The larger string is " << ((str1 > str2) ? str1 : str2);
-  }
+    string str1, str2;
+    while (cin >> str1 >> str2)
+    {
+        if (str1 == str2)
+            cout << "The two strings are equal." << endl;
+        else
+            cout << "The larger string is " << ((str1 > str2) ? str1 : str2);
+    }
 
-  return 0;
+    return 0;
 }