}else{//如果当前不存在障碍,那么直接找visited[rowIndex][colIndex] =true; findPath(grid, rowIndex- 1, colIndex, k, visited, count + 1);//上findPath(grid, rowIndex + 1, colIndex, k, visited, count + 1);//下findPath(grid, rowIndex, colIndex - 1, k, visited, count + 1);//...
You are starving and you want to eat food as quickly as possible. You want to find the shortest path to arrive at any food cell. You are given anm x ncharacter matrix,grid, of these different types of cells: '*'is your location. There is exactly one'*'cell. '#'is a food cell....
祖传的手艺不想丢了,所以按顺序写一个leetcode的题解。计划每日两题,争取不卡题吧 常规题号的题目已经写到头了,开始从头补vip题的题解 1778.未知网格中的最短路径 力扣leetcode.cn/problems/shortest-path-in-a-hidden-grid/ 由于题目中的地图一开始是未知的,那么就必须想办法将整个地图探开,才有最短路径...
push_back(nums[i]); find(nums, i+1, sub, res); sub.pop_back(); } } }; 1514. Path with Maximum Probability 中等题,面试出现5次 这道题就是大学教的bellman ford 或者 dijkstra。。 但是忘了,赶紧回去重新看一下。 bellman ford 实现:不加提前结束的话超时了,加上提前结束也很慢 class ...
classSolution{public:stringfindShortestWay(vector<vector<int>>&maze,vector<int>&ball,vector<int>&hole){int m=maze.size(),n=maze[0].size();vector<vector<int>>dists(m,vector<int>(n,INT_MAX));vector<vector<int>>dirs{{0,-1},{-1,0},{0,1},{1,0}};vector<char>way{'l','u',...
4.Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node. Code:Solution 5.remove-element Given an array and a value, remove all instances of that value in place and return the new ...
Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node.Note: A leaf is a node with no children. Example: Given binary tree [3,9,20,null,null,15,7], return its minimum depth = ...
2812.Find-the-Safest-Path-in-a-Grid (M+) Multi State 847.Shortest-Path-Visiting-All-Nodes (H-) 864.Shortest-Path-to-Get-All-Keys (H-) 913.Cat-and-Mouse (H+) 1728.Cat-and-Mouse-II (H+) 1293.Shortest-Path-in-a-Grid-with-Obstacles-Elimination (H-) 1928.Minimum-Cost-to-Reach-...
Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node. 题意分析: 求出二叉树的最小深度 思路分析 如果该树为空,需要单独讨论,返回深度为0.递归调用自己,传入根节点的左子树和右子树,如果其...
B[], int n) { int total = m + n; if (total & 0x1) return find_kth(A,...