Codeforces 1088 - 题集 - Lucien's Blog



Codeforces 1088 - 题集 - Lucien's Blog

  显然x等于1的时候无解,故特判掉,之后虽然可以观察出来解,但还是证明一下吧。

  令:a=kb (kZ)

  则有:kbb>xk<x同时成立。

  不妨设:k=1,则有:b2>x,此时a=b

  即:取a=b=x即可。


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