There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. Given the ball's …

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. Given the ball's …

原题链接在这里:https://leetcode.com/problems/the-maze-ii/ 题目: There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop rolling until hitting a wall. When the ball stops…

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 BFS 日期 题目地址:https://leetcode-cn.com/problems/the-maze-ii/ 题目描述 There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, l…

原题链接:https://leetcode.com/articles/the-maze-ii/ 我的思路 在做完了第一道迷宫问题 http://www.cnblogs.com/optor/p/8533068.html 后,这第二道迷宫问题就比较简单了. 题意是求最短路径,所以我觉得使用深度优先搜索不合适(因为深度优先搜索需要遍历完所有走法之后再取路径最短的,比较麻烦),而广度优先搜索则较为适合这个问题.所以我尝试写了下广度优先搜索的实现: import java.util.LinkedList;…

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. Given the ball's …

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up (u), down (d), left (l) or right (r), but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. T…

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. Given the ball's …

原题链接在这里:https://leetcode.com/problems/the-maze-iii/ 题目: There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up (u), down (d), left (l) or right (r), but it won't stop rolling until hitting a wall. Wh…

原题链接在这里:https://leetcode.com/problems/the-maze/ 题目: There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop rolling until hitting a wall. When the ball stops, i…