Solution -「ARC 123F」Insert Addition
大约是翻译了一下官方题解?@Description@对于一个整数序列 $P=(P_{1},\dots,P_{m})$,定义 $f(P)$ 为一个序列 $Q$ 满足:$Q_{i}=P_{i}+P_...
In mathematics you don't understand things, you just get used to them.
In mathematics you don't understand things, you just get used to them.