http://algos.youcantmiss.com/tags/accepted/ Recent content in accepted on Algorithms and Solutions Hugo -- gohugo.io en-us Sun, 09 Feb 2020 00:00:41 -0800 http://algos.youcantmiss.com/posts/shortest-distance-all-buildings/ Sun, 09 Feb 2020 00:00:41 -0800 http://algos.youcantmiss.com/posts/shortest-distance-all-buildings/ You want to build a house on an empty land which reaches all buildings in the shortest amount of distance. You can only move up, down, left and right. You are given a 2D grid of values 0, 1 or 2, where: Each 0 marks an empty land which you can pass by freely. Each 1 marks a building which you cannot pass through. Each 2 marks an obstacle which you cannot pass through.