原題鏈接在這里:https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination/ 題目: 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 推薦指數:
原題鏈接在這里:https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination/ 題目: Given a m * n grid, where each cell is either ...
先說明一下:本體正確解法使用BFS(廣度優先),最下方的是關於BFS的思路 BFS與DFS最大的區別在於: BFS首先搞同一層,然后從同一層一個個出發,找下一層 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 ...
給你一個 m * n 的網格,其中每個單元格不是 0(空)就是 1(障礙物)。每一步,您都可以在空白單元格中上、下、左、右移動。 如果您 最多 可以消除 k 個障礙物,請找出從左上角 (0, 0) 到右下角 (m-1, n-1) 的最短路徑,並返回通過該路徑所需的步數。如果找不到這樣的路徑 ...
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 ...
題目簡介:給定一個帶權有向圖,再給定圖中一個頂點(源點),求該點到其他所有點的最短距離,稱為單源最短路徑問題。 如下圖,求點1到其他各點的最短距離 准備工作:以下為該題所需要用到的數據 int N; //保存頂點個數 int M; //保存邊個數 int max; //用來設定 ...