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LZ大概是没用懒标记吧，或者是懒标记写退化了，这题时限很松的……

Posted by xuhaoran510 at 2011-04-12 17:16:11 on Problem 3225
In Reply To:线段树TLE 不理解啊！神马破题，2s都跑不过去，，太假了！ Posted by:xuejitiankong at 2011-04-12 17:10:20 
rt
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