A chess knight can move as indicated in the chess diagram below:  .            This time, we place our chess knight on any numbered key of a phone pad (indicated above), and the knight makes N-1 hops.  Each hop must be from one key to another numbere…

原题链接在这里:https://leetcode.com/problems/knight-dialer/ 题目: A chess knight can move as indicated in the chess diagram below:  .            This time, we place our chess knight on any numbered key of a phone pad (indicated above), and the knight makes N-…

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 动态规划TLE 空间换时间,利用对称性 优化空间复杂度 相似题目 参考资料 日期 题目地址:https://leetcode.com/problems/knight-dialer/description/ 题目描述 A chess knight can move as indicated in the chess diagram below: . T…

题目如下: A chess knight can move as indicated in the chess diagram below:  .            This time, we place our chess knight on any numbered key of a phone pad (indicated above), and the knight makes N-1 hops.  Each hop must be from one key to another n…

A chess knight can move as indicated in the chess diagram below:  .            This time, we place our chess knight on any numbered key of a phone pad (indicated above), and the knight makes N-1 hops.  Each hop must be from one key to another numbere…

A chess knight can move as indicated in the chess diagram below:  .            This time, we place our chess knight on any numbered key of a phone pad (indicated above), and the knight makes N-1 hops.  Each hop must be from one key to another numbere…

A chess knight can move as indicated in the chess diagram below:  .            This time, we place our chess knight on any numbered key of a phone pad (indicated above), and the knight makes N-1 hops.  Each hop must be from one key to another numbere…

原题链接在这里:https://leetcode.com/problems/knight-probability-in-chessboard/description/ 题目: On an NxN chessboard, a knight starts at the r-th row and c-th column and attempts to make exactly K moves. The rows and columns are 0 indexed, so the top-left sq…

一.题目链接:https://leetcode.com/problems/knight-probability-in-chessboard/ 二.题目大意: 给定一个N*N的棋盘和一个初始坐标值(r,c),开始时骑士在初始坐标处,骑士会进行移动,并且骑士移动的时候这只能按照如下的移动方式: 即一共有8个可能移动的方向,并且骑士向每个方向移动的概率都是相同的(即$1/8$) .求骑士移动K步后,还在棋盘之内的概率. 三.题解: 直观来看,这道题可有用DFS和DP,但不知道DFS会不会超超时,所以我…

Hello everyone, I am a Chinese noob programmer. I have practiced questions on leetcode.com for 2 years. During this time, I studied a lot from many Great Gods' articles. After worship, I always wanted to write an article as they did, and now I take t…