总结了历届国际奥林匹克竞赛（IOI）的试题特点及我国参赛选手的培训经验。书中许多例题取自历届大赛的试题及中国队选手的训练题目，针对问题讲解了解题的关键思路及如何灵活运用有关的算法知识. -Summary of the International Olympiad (IOI) and the characteristics of the questions my players training experience. Many of the examples　the book of the previous contest questions and China players training topics, in order to solve the problem on the key ideas of solving problems and how to use the knowledge of the algorithm.