题目地址:https://leetcode-cn.com/problems/path-with-minimum-effort/ 题目描述 你准备参加一场远足活动。给你一个二维rows x columns的地图heights,其中heights[row][col]表示格子(row, col)的高度。一开始你在最左上角的格子(0, 0),且你希望去最右下角的格子(rows-1, columns-1)(注意下标从 0 开始...
代码(Go) // 每个方向的位置改变量 // 0: 向上走 1 步 // 1: 向右走 1 步 // 2: 向下走 1 步 // 3: 向左走 1 步 var DR = []int{-1, 0, 1, 0} var DC = []int{0, 1, 0, -1} func minimumEffortPath(heights [][]int) int { m, n := len(heights), len(heights[0]...
当我们遍历到某个坐标的时候,如果已经记录的effort更小则无需更新;如果重新计算的newEffort更小则需要更新effort数组并用这个值代入下一轮的BFS计算。 时间O(m * n * nlogn) 空间O(mn) Java实现 1classSolution {2publicintminimumEffortPath(int[][] heights) {3intm =heights.length;4intn = heights[0]...
class Solution { int m, n; vector<vector<int>> dir = {{1,0},{0,1},{0,-1},{-1,0}}; public: int minimumEffortPath(vector<vector<int>>& heights) { m = heights.size(), n = heights[0].size(); int l = 0, r = 1e6, mid, ans = 0; while(l <= r) { mid = l +...
1631. Path With Minimum Effort You are a hiker preparing for an upcoming hike. You are given heights , a 2D array of size rows x columns , where heights[row][col] represents the height of cell…阅读全文 赞同 添加评论 分享收藏 ...
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1679. Max Number of K-Sum Pairs # 题目 # You are given an integer array nums and an integer k. In one operation, you can pick two numbers from the array whose sum equals k and remove them from the array. Return the maximum number of operations you can