▽桃の天然水 ●05/13 01:27 2025-05-12AtCoder Beginner Contest 405 Ehttps://atcoder.jp/contests/abc405/tasks/abc405_eまず､ﾘﾝｺﾞとﾌﾞﾄﾞｳを並べます｡そして､ｵﾚﾝｼﾞを配置します｡ｵﾚﾝｼﾞは各ﾘﾝｺﾞの左とﾘﾝｺﾞとﾌﾞﾄﾞｳの間に配置できます｡ﾘﾝｺﾞとﾌﾞﾄﾞｳの間にｵﾚﾝｼﾞをn個置くとします｡そうすると､その他のｵﾚﾝｼﾞは各ﾘﾝｺﾞの左に置けるので､場合の数は重複組み合わせで､となります｡そのときﾊﾞﾅﾅは各ｵﾚﾝｼﾞとﾌﾞﾄﾞｳの左と一番右に置けるので､場合の数はこれも重複組み合わせで､となります｡結局､を計算すればよいです｡// Fruit Lineup #![allow(non_snake_case)] //////////////////// library //////////////////// fn read<T: st
▽Hottest ’f#’ Questions - Stack Overflow ●05/12 21:06 Recent science fiction novel where men are almost extinct due to a toxin/pathogen that makes them attack womenUnable to std::format std::vector<std::unique_ptr<int>> in C++Does a cat have the same IQ as a two year old child?Why does this inequality addition result in multiple answers?How to remove under faucet holding (plastic) ring?What are the views on whether prayer needs to be expressed a
