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Re:这题可以只用树状数组完成！！In Reply To:这题可以只用树状数组完成！！ Posted by:dugushuiyi at 2008-06-22 15:54:10 2应该是:记b[i]为在插入i之前，a[1]..a[i-1]中已经有几个格子插入了数字吧。 Followed by: Post your reply here: |
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