Update ex6_42.cpp

ch06/ex6_42.cpp

@@ -1,25 +1,24 @@
-//! @Alan
+//! @Yue Wang
 //!
 //! Exercise 6.42:
 //! Give the second parameter of make_plural (§ 6.3.2, p. 224) a default
 //! argument of 's'. Test your program by printing singular and plural
 //! versions of the words success and failure.
+//!
 
 #include <iostream>
 #include <string>
-
 using std::string; using std::cout; using std::endl;
 
-
 string make_plural(size_t ctr, const string &word, const string &ending = "s")
 {
     return (ctr > 1) ? word + ending : word;
 }
 
 int main()
 {
-    cout<<"singual: " << make_plural(1, "success") << " "
-                      << make_plural(1, "failure") << endl;
-    cout<<"plural : " << make_plural(2, "success") << " "
-                      << make_plural(2, "failure") << endl;
+    cout << "singual: " << make_plural(1, "success") << " " << make_plural(1, "failure") << endl;
+    cout << "plural : " << make_plural(2, "success") << " " << make_plural(2, "failure") << endl;
+
+    return 0;
 }