2020牛客多校第七場--H--Dividing

題意： 找出知足條件的點對的數量 知足的條件是html (1, k) is always a Legend Tuple, where k is an integer. if (n, k) is a Legend Tuple, (n + k, k) is also a Legend Tuple. if (n, k) is a Legend Tuple, (nk, k) is also a Legen

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