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Re:实际上就是对y按递增排序，y相等则按x递减排序，然后求x的逆序数，可以用归并解决了。In Reply To:Re:实际上就是对y按递增排序，y相等则按x递减排序，然后求x的逆序数，可以用归并解决了。 Posted by:Thank_you at 2007-08-15 10:20:58 UP ! 半天没搞懂题...看了这个1A...还是不懂题目什么意思... 英语不是一般的差啊。。。 Followed by: Post your reply here: |
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