某岛

… : "…アッカリ~ン . .. . " .. .
September 14, 2011

mod p 组合数。。

September 9, 2011

HDU 4010. Query on The Trees

September 8, 2011

SPOJ 4155. OTOCI

September 4, 2011

【专题】动态树与树链剖分.. .

September 4, 2011

UVa 12041. BFS (Binary Fibonacci String)

September 1, 2011

。说不说呢?