2. Algorithm Art and Informatics Olympic Competition, written by Huang Liang.
3. Classic Introduction to Algorithm Competition, written by Liu Rujia.
4. Analysis and programming of Wu's practical algorithm.
5. Wang Jiande's analysis and programming of new practical algorithm.
6. A Pass for Informatics Olympics, written by Dong Yongjian.
7. National Youth Informatics Olympic Training Textbook, Chen Ying.