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thunderMrbird
西北工业大学-李丰基
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hdu4126 prim+树形dp
Genghis Khan(成吉思汗)(1162-1227), also known by his birth name Temujin(铁木真) and temple name Taizu(元太祖), was the founder of the Mongol Empire and the greatest conqueror in Chinese history. After uniting原创 2016-07-23 16:43:36 · 434 阅读 · 0 评论 -
POJ2728 Desert King 最优比率生成树
David the Great has just become the king of a desert country. To win the respect of his people, he decided to build channels all over his country to bring water to every village. Villages which are co原创 2016-07-21 20:13:06 · 527 阅读 · 0 评论