peroon https://blog.hatena.ne.jp/peroon/ perogram https://perogram.hateblo.jp/ ライブラリ imos Quiz https://yukicoder.me/problems/no/60 AC✅https://yukicoder.me/submissions/443826 クラス化した struct Imos2D{ VV A; ll H,W; Imos2D(ll h, ll w){ H = h; W = w; A.resize(H, VI(W)); } // [(y0,x0), (y1,x1)] void add(ll y0, ll x0, ll y1, ll x1, ll v){ A[y0][x0] += v; A[y1+1][x1+1] += v; A[y0][x1+1] -= v; A[y1… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fperogram.hateblo.jp%2Fentry%2Fimos2D" title="2次元imos (二次元いもす) ～yukicoder No.60 魔法少女～ - perogram" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/p/peroon/20200314/20200314043440.png Hatena Blog https://hatena.blog 2020-03-14 04:34:54 rich https://perogram.hateblo.jp/entry/imos2D 1.0 100%