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这次练习赛太bt了……只有这个题目……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 Followed by:
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