Below are the handouts (in Chinese) written by me for the recitation lectures. Most contents are tutorials and examples for problem-solving.
Please let me know if you spot any errors. (And feel free to share the materials with the students taking the course in the future! :P)

Divide and Conquer
Dynamic Programming
Greedy Algorithms
Amortized Analysis
Linear Programming
Network Flow
NP and Computational Intractability
Approximation Algorithms
Randomized Algorithms (brief intro)