北京大学ACM的培训资料还有相关题目的源代码。 里面涉及：组合数学、搜索、动态规划、图论、计算几何以及网络流的相关讲义及习题源代码。-Training materials as well as related topics of the Peking University ACM source code. Which involves: a combination of mathematics, search, dynamic programming, graph theory, compu