Climber.pI的OI之路

Through the darkest dark,may we see the light.

读书笔记

Summary of Chapter 1-4

posted @ 2010-10-25 21:54 Climber.pI 阅读(190) | 评论 (0)  编辑

《同中学生谈排列组合》苏淳 读书札记

posted @ 2010-09-20 21:57 Climber.pI 阅读(747) | 评论 (0)  编辑