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建一个域保存该区间还剩多少元素

Posted by gaminerie at 2006-08-07 19:45:24 on Problem 2886
In Reply To:那位大牛说说在线段树中如何能最快的判断它后面或则前面的第几个元素,TLE了好多次了! Posted by:nuanran at 2006-08-07 19:37:25
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