某岛

… : "…アッカリ~ン . .. . " .. .
September 20, 2011

SRM 518 .. .

September 18, 2011

World Last Hope .. .

September 16, 2011

Codeforces Beta Round #87.. .

September 14, 2011

BZOJ 2002. [Hnoi2010]Bounce 弹飞绵羊

September 14, 2011

mod p 组合数。。

September 9, 2011

HDU 4010. Query on The Trees

September 8, 2011

SPOJ 4155. OTOCI