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哭死呀

Posted by need130 at 2006-10-21 21:50:06
In Reply To:就那么过的,简单的我觉得有些不可思议 Posted by:snoopy at 2006-10-21 21:20:32

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我五个小时就干这一道题目，，，可就是RTE，，，，

> 估计是题目描叙有点唬人,把大家都弄晕了,最后看懂题后想水,其他人都bs我...还好一次就写过了
> 就是把所有的si算出来,逆序排,ci逆序排,然后就是对应的计算sum(abs(si-ci));
> 算si是用的两个集合取并,感觉没看懂题能更好的理解这一点

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