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#7569: iosdjfasf

Accepted: : 15
$$T_G(x,y)=\sum\nolimits_{A\subseteq E} (x-1)^{k(A)-k(E)}(y-1)^{k(A)+|A|-|V|}$$

#7569: jade_seek

Accepted: : 15

#7569: JakubWoxniak

Accepted: : 15

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Accepted: : 15
Hala Madrid

#7569: rbtree

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