NISHIO Hirokazu[Translate]
xごとのf(x,y)の和はyごとのf(x,y)の和
点灯パターンごとの照らされたタイルの枚数の和は、タイルごとの照らされる点灯パターンの和


"Engineer's way of creating knowledge" the English version of my book is now available on [Engineer's way of creating knowledge]

(C)NISHIO Hirokazu / Converted from [Scrapbox] at [Edit]