add ex2.33~2.35

ch02/ex2_34.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+
+int main()
+{
+  int i = 0, &r = i;
+  auto a = r;   // a is an int (r is an alias for i, which has type int)
+
+  const int ci = i, &cr = ci;
+  auto b = ci; // b is an int (top-level const in ci is dropped)
+  auto c = cr; // c is an int (cr is an alias for ci whose const is top-level)
+  auto d = &i; // d is an int* (& ofan int objectis int*)
+  auto e = &ci; // e is const int*(& of a const object is low-level const)
+
+  const auto f = ci; // deduced type of ci is int; f has type const int
+  auto &g = ci; // g is a const int& that is bound to ci
+
+  a=42; b=42; c=42; *d=42; e=&c;
+
+  return 0;
+}

ch02/ex2_35.cpp

@@ -0,0 +1,21 @@
+#include <iostream>
+#include <typeinfo>
+
+int main()
+{
+  const int i = 42;
+  auto j = i;
+  const auto &k = i;
+  auto *p = &i;
+  const auto j2 = i, &k2 = i;
+
+  // print i means int, and PKi means pointer to const int.
+  std::cout << "j is " << typeid(j).name()
+            << "\nk is " << typeid(k).name()
+            << "\np is " << typeid(p).name()
+            << "\nj2 is " << typeid(j2).name()
+            << "\nk2 is " << typeid(k2).name()
+            << std::endl;
+
+  return 0;
+}

docs/ch02/ex2.33_2.35.md

@@ -0,0 +1 @@
+##Exercise 2.33>Using the variable definitions from this section, determinewhat happens in each of these assignments:```cppa=42; // set 42 to int a.b=42; // set 42 to int b.c=42; // set 42 to int c.d=42; // ERROR, d is an int *. correct: *d = 42;e=42; // ERROR, e is an const int *. correct: e = &c;g=42; // ERROR, g is a const int& that is bound to ci.```##Exercise 2.34>Write a program containing the variables and assignments from theprevious exercise.Print the variables before and after the assignments to checkwhether your predictions in the previous exercise were correct.If not, study the examples until you can convince yourself you knowwhat led you to the wrong conclusion.[Here](https://github.com/pezy/Cpp-Primer/blob/master/ch02/ex2_34.cpp) is the code.##Exercise 2.35>Determine the types deduced in each of the following definitions.Once you’ve figured out the types,write a program to see whether you were correct.```cppconst int i = 42;auto j = i; const auto &k = i; auto *p = &i; const auto j2 = i, &k2 = i;```j and j2 are int.k and k2 are &int.p is a pointer to const int.[Here](https://github.com/pezy/Cpp-Primer/blob/master/ch02/ex2_35.cpp) is the code.

docs/index.md

@@ -22,6 +22,7 @@ C++ Primer 5th Answer Note
     - [Exercise 2.9 ~ 2.14](/Cpp-Primer/ch02/ex2.9_2.14)
     - [Exercise 2.15 ~ 2.25](/Cpp-Primer/ch02/ex2.15_2.25)
     - [Exercise 2.26 ~ 2.32](/Cpp-Primer/ch02/ex2.26_2.32)
+    - [Exercise 2.33 ~ 2.35](/Cpp-Primer/ch02/ex2.33_2.35)
   - Chapter 3. Strings, Vectors, and Arrays
   - Chapter 4. Expressions
   - Chapter 5. Statements

docs/template.html

@@ -50,6 +50,9 @@ <h1 id="gistid"><a href="http://github.com/{{USER}}/{{NAME}}">{{NAME}}</a> :: <a
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+    <a href="https://github.com/pezy/Cpp-primer#c-primer-5th-edition-exercise-answers">
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