Update ex5_6.cpp

pseudor · Jun 22, 2015 · f210f14 · f210f14
1 parent 0655abe
commit f210f14
Showing 1 changed file with 6 additions and 9 deletions.
diff --git a/ch05/ex5_6.cpp b/ch05/ex5_6.cpp
@@ -1,22 +1,19 @@
 #include <iostream>
 #include <vector>
 #include <string>
-
 using std::vector; using std::string; using std::cout; using std::endl; using std::cin;
 
 int main()
 {
-    vector<string> scores = {"F", "D", "C", "B", "A", "A++"};
-    
-    int grade{0};
+    vector<string> scores = { "F", "D", "C", "B", "A", "A++" };
+
+    int grade = 0;
     while (cin >> grade)
     {
-        string lettergrade = grade < 60 ? scores[0] : scores[(grade-50)/10];
-        lettergrade += (grade == 100 || grade < 60) ? "" :
-                                (grade % 10 > 7) ? "+" :
-                                (grade % 10 < 3) ? "-" : "";
+        string lettergrade = grade < 60 ? scores[0] : scores[(grade - 50) / 10];
+        lettergrade += (grade == 100 || grade < 60) ? "" : (grade % 10 > 7) ? "+" : (grade % 10 < 3) ? "-" : "";
         cout << lettergrade << endl;
     }
-    
+
     return 0;
 }