CodeForces Gym 102129 簡要題解

Tritwise Mex c 0 = a 1 b 2 + a 2 b 1 + a 1 b 1 + a 2 b 2 c_0 = a_1b_2 + a_2b_1 + a_1b_1 + a_2b_2 c0​=a1​b2​+a2​b1​+a1​b1​+a2​b2​html c 1 = a 0 b 2 + a 2 b 0 + a 0 b 0 c_1 = a_0b_2 + a_2b_0 + a_0b_0 c1

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