高中大学选修计算机科学原理课（CSP）课堂笔记，仅作个人用途。

目录

AP考试语言

Assignment, Display, and Input

On the AP Exam In Snap! 备注
a <- expression - set a to expression a是用户自定义的global variable
DISPLAY (expression) - say expression
- think expression
- write expression size n
INPUT () - ask expression and wait
- answer

Arithmetic Operators and Numeric Procedures

On the AP Exam In Snap! 备注
a + b
a - b
a * b
a / b		 - a + b
- a - b
- a x b
- a / b
a MOD b - a mod b
RANDOM (a, b) - pick random a to b

Relational and Boolean Operators

On the AP Exam In Snap! 备注
a = b
a ≠ b
a > b
a < b
a ≥ b
a ≤ b		 - a = b
- a > b
- a < b		 在Snap!中，≠、≥和≤符号并不存在