BFS on Rik Kisnah - Bloghttps://www.rik-kisnah.ai/tags/bfs/Recent content in BFS on Rik Kisnah - BlogHugoenTue, 03 Dec 2019 09:00:00 -0800Flood Fillhttps://www.rik-kisnah.ai/teach/coding/flood-fill/Tue, 03 Dec 2019 09:00:00 -0800https://www.rik-kisnah.ai/teach/coding/flood-fill/The paint bucket tool. Click a square, and every connected square of the same colour changes too. Spread to the four neighbours, stop at a different colour or the edge. It is the same search you will use on every grid problem after this one.