fixed Mooophy#136

ch09/ex9_34.cpp

@@ -8,29 +8,37 @@
 //  @Brief  Assuming vi is a container of ints that includes even and odd values, 
 //          predict the behavior of the following loop. 
 //          After you've analyzed this loop, write a program to test whether your expectations were correct.
+//			
+//			iter = vi.begin(); 
+//			while (iter != vi.end())    
+//				if (*iter % 2)        
+//					iter = vi.insert(iter, *iter);    
+//				++iter; 
+//
 //  @Answer "infinite loop". Casue the `++iter` out of the `while` loop. But even through add brackets it is still infinite loop.
 //          Fixed following.
 
 #include <iostream>
-#include <vector>
+using std::cout; using std::endl;
 
-using std::vector; using std::cout; using std::endl;
+#include <vector>
+using std::vector;
 
 int main()
 {
-    vector<int> vi = {0,1,2,3,4,5,6,7,8,9}; 
-    auto iter = vi.begin(); 
-    while (iter != vi.end())
-    {    
-        if (*iter % 2)        
-            iter = vi.insert(iter, *iter++);    
-        ++iter;
-    }
-
-    for (auto i : vi)
-        cout << i << " ";
-
-    return 0;
-}
+	vector<int> vi = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+	auto iter = vi.begin();
+	while (iter != vi.end()) {
+		if (*iter % 2) {
+			iter = vi.insert(iter, *iter);
+			++iter;
+		}
+		++iter;
+	}
+
+	for (auto i : vi)
+		cout << i << " ";
 
+	return 0;
+}