Can you solve this real interview question? Shortest Path in a Grid with Obstacles Elimination - You are given an m x n integer matrix grid where each cell is either 0 (empty) or 1 (obstacle). You can move up, down, left, or right from and to an empty ce
pair<int, int> BFS(const vector<string>& grid, int x, int y, string keysSeached, char curKey, int& len) { if(x < 0 || y < 0 || x >= grid.size() || y >= grid[x].size()) { return {-1, -1}; } // 标记走过的路径 vector<string> gridFlag(grid); gridFlag[x][y...
1classSolution {2func shortestPathAllKeys(_ grid: [String]) ->Int {3varx:Int = -14vary:Int = -15varm:Int =grid.count6varn:Int = grid[0].count7varmaxNum:Int = -18foriin0..<m9{10forjin0..<n11{12varc:Character =grid[i][j]13ifc =="@"14{15x =i16y =j17}18ifc >="a"&...
Given ann x nbinary matrixgrid, returnthe length of the shortestclear pathin the matrix. If there is no clear path, return-1. Aclear pathin a binary matrix is a path from thetop-leftcell (i.e.,(0, 0)) to thebottom-rightcell (i.e.,(n - 1, n - 1)) such that: All the ...
Given an array A of strings, find any smallest string that contains each string inAas a substring. We may assume that no string inAis substring of another string inA. Example 1: Input:["alex","loves","leetcode"]Output:"alexlovesleetcode"Explanation:All permutationsof"alex","loves","leet...
Shortest Path in Binary Matrix queue.append((i+1, j+1, count)) return -1 Reference https://leetcode.com/problems/shortest-path-in-binary-matrix 30510 Shortest Unsorted Continuous Subarray } } return end - start + 1; } }; Reference https://leetcode.com/problems/shortest-unsorted-continuous...
[LeetCode] 1129. Shortest Path with Alternating Colors Consider a directed graph, with nodes labelled0, 1, ..., n-1. In this graph, each edge is either red or blue, and there could be self-edges or parallel edges. Each[i, j]inred_edgesdenotes a red directed edge from nodeito node...
Shortest-LeetCode-Python-Solutions/README.md Go to file Go to file T Go to line L Copy path Cannot retrieve contributors at this time 2499 lines (2305 sloc) 99.2 KB Raw Blame 1. Two Sum 4行 class Solution: def twoSum(self, nums: List[int], target: int) -> List[int]:...
🐍 Shortest-LeetCode-Python-Solutions Leet Code 刷题笔记 - - 不求最快最省,但求最短最优雅 🌿,Shorter is better here. 前言 代码精炼是 Python 的核心,同时能够反应对于语言的熟练程度,本项目目的在于汇总 leet code 最短最优雅的解法,拒绝长篇大论,缩短学习周期,掌握各种技巧,助您在面试中写出令人眼前...
代码 grid = [["X","X","X","X","X","X"],["X","*","O","O","O","X"],["X","O","O","#","O","X"],["X","X","X","X","X","X"]] 9 1 2 3 4 › [["X","X","X","X","X","X"],["X","*","O","O","O","X"],["X","O","O","#"...