原题链接在这里:https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination/ 题目: Given a m * n grid, where each cell is either ...
You are given anm x ninteger matrixgridwhere each cell is either empty or obstacle . You can move up, down, left, or right from and to an empty cell inone step. Returnthe minimum number ofstepsto wal ...
2022-04-19 12:40 0 667 推荐指数:
原题链接在这里:https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination/ 题目: Given a m * n grid, where each cell is either ...
先说明一下:本体正确解法使用BFS(广度优先),最下方的是关于BFS的思路 BFS与DFS最大的区别在于: BFS首先搞同一层,然后从同一层一个个出发,找下一层 D ...
Given an n x n binary matrix grid, return the length of the shortest clear path in the matrix. If there is no clear path, return -1. A clear path ...
给你一个 m * n 的网格,其中每个单元格不是 0(空)就是 1(障碍物)。每一步,您都可以在空白单元格中上、下、左、右移动。 如果您 最多 可以消除 k 个障碍物,请找出从左上角 (0, 0) 到右下角 (m-1, n-1) 的最短路径,并返回通过该路径所需的步数。如果找不到这样的路径 ...
An undirected, connected graph of N nodes (labeled `0, 1, 2, ..., N-1`) is given as `graph`. graph ...
We are given a 2-dimensional `grid`. `"."` is an empty cell, `"#"` is a wall, `"@"` is the starting point, (`"a"`, `"b"`, ...) are keys ...
Consider a directed graph, with nodes labelled 0, 1, ..., n-1. In this graph, each edge is either ...
题目简介:给定一个带权有向图,再给定图中一个顶点(源点),求该点到其他所有点的最短距离,称为单源最短路径问题。 如下图,求点1到其他各点的最短距离 准备工作:以下为该题所需要用到的数据 int N; //保存顶点个数 int M; //保存边个数 int max; //用来设定 ...