inamori https://blog.hatena.ne.jp/inamori/ inamori’s diary https://inamori.hateblo.jp/ https://atcoder.jp/contests/abc446/tasks/abc446_c題意通りに書くだけですが、1.2秒もかかっています。 F_each <- function(D, A, B) { N <- length(A) p <- 1 # 今使う卵の仕入れ日 for(i in 1:N) { # i日目 while(B[i] >= A[p]) { B[i] <- B[i] - A[p] A[p] <- 0 if(p == i) { break } p <- p + 1 } A[p] <- A[p] - B[i] if(p <= i - D) { p <- p + 1 } } … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2026%2F02%2F27%2F225315" title="AtCoder Beginner Contest 446 C - inamori’s diary" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2026-02-27 22:53:15 rich https://inamori.hateblo.jp/entry/2026/02/27/225315 1.0 100%