Each term in this sequence is doubling (multiplying by 2) to create the next term. Number sequences are sets of numbers that follow a pattern or a rule. If the rule is to multiply or divide by a ...

公式の解説を参考にして解いてみました。 D - Make Geometric Sequence AtCoder is a programming contest site for anyone from beginne atcoder.jp 公比rは$${r = ...