求差错，用的是出题人的方法O(nv)

P4933 大师

因为`j`有负数，所以统一加上了20005，数组两倍也开了！
by Acfboy @ 2020-04-07 20:30:11

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差错珂海星
by YUYGFGG @ 2020-04-07 20:30:18

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@[YUYGFGG](/user/251551) 求差错$\rightarrow$求**找到**差错
by Acfboy @ 2020-04-07 20:33:15

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@[YUYGFGG](/user/251551) 您的博客不是10min，是根本访问不了啊
by Acfboy @ 2020-04-07 20:37:10

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我太蠢了，j随便减去，都没有看a[i]
by Acfboy @ 2020-04-07 21:15:49

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现在95了
by Acfboy @ 2020-04-07 21:16:00

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A了
by Acfboy @ 2020-04-07 21:18:33

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@[Acfboy](/user/40318) 暂时关服维护，懒得换备用线路了
by YUYGFGG @ 2020-04-07 21:36:40

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@[Acfboy](/user/40318) 不对啊，今天我把自动重启关了的，刚刚发现可以的访问，是你网络问题吗
by YUYGFGG @ 2020-04-07 21:46:58

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@[YUYGFGG](/user/251551) 
by Acfboy @ 2020-04-08 08:19:00

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