QOJ.ac
QOJ
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15867449938
Rating
2764
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6
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Motto
$$Z_G(t_1,t_2,\ldots,t_n) = \frac{1}{|G|}\sum_{g \in G} t_1^{c_1(g)} t_2^{c_2(g)} \cdots t_n^{c_n(g)}$$
Rating changes
Accepted problems：60 problems
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