Update ex6_42.cpp

Alignment

ch06/ex6_42.cpp

@@ -5,13 +5,10 @@
 //! argument of 's'. Test your program by printing singular and plural
 //! versions of the words success and failure.
 
-
 #include <iostream>
 #include <string>
-#include <vector>
-#include <iterator>
 
-using namespace std;
+using std::string; using std::cout; using std::endl;
 
 
 string make_plural(size_t ctr, const string &word, const string &ending = "s")
@@ -21,13 +18,8 @@ string make_plural(size_t ctr, const string &word, const string &ending = "s")
 
 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;
 }