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我也因为这个x= 0挂了几次。

Posted by ycdoit at 2011-12-15 18:33:55 on Problem 2352
In Reply To:第一题树状数组因为X=0而夭折。。。。ft Posted by:handsome8848 at 2009-03-13 23:27:35 
习惯了区间从1开始了。囧。。
读一次数据，加一个++x，就可以了。
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