IGCSE CS Pseudocode · ⁨IGCSE 计算机科学伪代码⁩

Every lesson runs in your browser — write real code, press Run, and the tasks check themselves. Free, no account needed, with translated notes paired with English. · ⁨每节课均在浏览器中运行——编写真实代码，点击运行，任务自动检查。免费，无需账户，配有与英文对照的翻译笔记。⁩

Start the course · ⁨开始课程⁩

Lessons in this course · ⁨本课程中的课程⁩

No lessons match. Clear the search or choose another filter. · ⁨没有匹配的课时。请清空搜索或选择其他筛选条件。⁩

1. 01 OUTPUT and sequence · ⁨OUTPUT 与顺序⁩ 3 required tasks · ⁨3 个必做任务⁩
2. 02 Variables, DECLARE and CONSTANT · ⁨变量、DECLARE 与 CONSTANT⁩ 4 required tasks · ⁨4 个必做任务⁩
3. 03 INPUT and data types · ⁨INPUT 与数据类型⁩ 3 required tasks · ⁨3 个必做任务⁩
4. 04 Arithmetic, DIV and MOD · ⁨算术、DIV 与 MOD⁩ 4 required tasks · ⁨4 个必做任务⁩
5. 05 Selection: IF · ⁨选择:IF⁩ 3 required tasks · ⁨3 个必做任务⁩
6. 06 Selection: CASE · ⁨选择:CASE⁩ 3 required tasks · ⁨3 个必做任务⁩
7. 07 Iteration: FOR · ⁨迭代:FOR⁩ 3 required tasks · ⁨3 个必做任务⁩
8. 08 Iteration: WHILE and REPEAT · ⁨迭代:WHILE 与 REPEAT⁩ 3 required tasks · ⁨3 个必做任务⁩
9. 09 String handling · ⁨字符串处理⁩ 3 required tasks · ⁨3 个必做任务⁩
10. 10 1-D arrays · ⁨一维数组⁩ 3 required tasks · ⁨3 个必做任务⁩
11. 11 2-D arrays · ⁨二维数组⁩ 3 required tasks · ⁨3 个必做任务⁩
12. 12 Procedures · ⁨过程⁩ 4 required tasks · ⁨4 个必做任务⁩
13. 13 Functions · ⁨函数⁩ 3 required tasks · ⁨3 个必做任务⁩
14. 14 Putting it together · ⁨综合运用⁩ 3 required tasks · ⁨3 个必做任务⁩
15. 15 Text files · ⁨文本文件⁩ 3 required tasks · ⁨3 个必做任务⁩
16. 16 Logic: AND, OR, NOT · ⁨逻辑:AND、OR 与 NOT⁩ 3 required tasks · ⁨3 个必做任务⁩
17. 17 Nested decisions · ⁨嵌套选择⁩ 3 required tasks · ⁨3 个必做任务⁩
18. 18 ROUND, RANDOM and a trace · ⁨ROUND、RANDOM 与跟踪表⁩ 2 required tasks · ⁨2 个必做任务⁩
19. 19 Bubble sort · ⁨冒泡排序⁩ 2 required tasks · ⁨2 个必做任务⁩

Language reference · ⁨语言参考⁩

/know/reference/pseudocode