某岛

… : "…アッカリ～ン . .. . " .. .
October 1, 2011

圆并 .. .

September 30, 2011

。。。扫描线。。

September 26, 2011

UVaLive 3662. Another Minimum Spanning Tree

September 22, 2011

HDU 2475. Box

September 14, 2011

mod p 组合数。。

September 9, 2011

HDU 4010. Query on The Trees

March 28, 2011

[JSOI 200?] 小店购物

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