某島

… : "…アッカリ~ン . .. . " .. .
September 22, 2011

HDU 2475. Box

September 14, 2011

mod p 組合數。。

September 9, 2011

HDU 4010. Query on The Trees

March 28, 2011

[JSOI 200?] 小店購物

March 24, 2011

[SDOI 2009] HH去散步

March 24, 2011

[SDOI 2009] HH的項鏈

March 24, 2011

ZOJ 3256. Tour in the Castle