题目 | Geometric Progression
AtCoder Beginner Contest 293
E - Geometric Progression
AtCoder Beginner Contest 293
E - Geometric Progression
Denso Create Programming Contest 2022 Winter(AtCoder Beginner Contest 280)
E - Critical Hit
$a,b\in\mathbb{Z}$,且 $ab \equiv 1 \pmod{n}$,则称 $a$ 和 $b$ 关于模 $n$ 互为模逆元(Modular Multiplicative Inverse)