《c++ primer 5th》chapter11-ex11.1_ex11.14

• do while条件语句内要使用的变量必须定义在do while语句外；
• do while条件语句内不能定义任何变量；

Exercise 11.1

Exercise 11.2

Exercise 11.3

Exercise 11.4

Exercise 11.5

Exercise 11.6

Exercise 11.7

Exercise 11.8

Exercise 11.9

Exercise 11.10

Exercise 11.11

Exercise 11.12

Exercise 11.13

Exercise 11.14