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还是晕,小弟我线段树学得太差,大牛们能不能帮小弟一把。就是在每一次改变时,如何更新线段树,在求解。也可能我是真的就不理解线段树的精髓。万分感谢。不!那时相当的感谢!!!!

Posted by upupupup at 2006-01-30 15:45:35 on Problem 2750


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