吾生也有涯，而知也无涯

ACM题解分类

codeforces contest343 D Water Tree 题解

08-06

codeforces contest339 D Xenia and Bit Operations 题解

08-06

poj 3678 Katu Puzzle 题解

02-09

poj 3207 Ikki's Story IV - Panda's Trick 题解

02-08

spoj DWARFLOG - Manipulate Dwarfs 题解

01-31