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若这个题目将k的范围改成[N, 100]还是比较麻烦的

Posted by xiedi at 2004-07-26 19:56:51 on Problem 1710
In Reply To:这次练习赛太bt了……只有这个题目…… Posted by:richardhuang at 2004-07-26 19:45:13
> 一开始见到又要spj又要构造性的东西……还以为要搜索
> 所以没做
> 今天早上10点多迷迷糊糊起床一看加上spj了就看看题目
> 结果发现是小学水平题目……faint
> 不过还wa了两次,一次把两个+2打成+1,第二次只改过了里面一个,第三次终于acc了
> 呵呵,如果...一开始就有spj...肯定30分钟内ko

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