北京大学acm教学课件，对于acm爱好者是很大的帮助。-Peking University courseware acm, acm for lovers is a big help.

ACM比赛的教学PPT，对于致力于ACM大赛的同学有很大的帮助。-The ACM contest Teaching PPT, very committed to the students of the ACM contest.

大学阶段acm竞赛的教学，包括对搜索的详细讲解，包含了大量poj，zjuoj原题和解答-Acm contest teaching university stage, including detailed interpretation of the search, contains a large number of poj, zjuoj original questions and answers