【Leetcode_easy】733. Flood Fill

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【Leetcode_easy】733. Flood Fill

problem 733. Flood Fill 题意:图像处理中的泛洪填充算法,常见的有四邻域像素填充法.八邻域像素填充法.基于扫描线的像素填充法,实现方法分为递归与非递归(基于栈). 泛洪填充算法原理:从某个像素点开始,将封闭区域内的所有此像素值位置的元素填充为新颜色. solution1: 递归方法: class Solution { public: vector<vector<int>> floodFill(vector<vector<int>>&am…

【LeetCode】733. Flood Fill 解题报告（Python）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录题目描述题目大意解题方法方法一:DFS 方法二:BFS 日期题目地址:https://leetcode.com/problems/flood-fill/description/ 题目描述 An image is represented by a 2-D array of integers, each integer representing the pixel value…

【Luogu3457】POW-The Flood（并查集）

[Luogu3457]POW-The Flood(并查集) 题面洛谷题解我们知道,如果一个点和一个海拔不高于它的点相连那么连在那个点是更优的,所以考虑按照每个点的海拔排序既然按照海拔排序,相邻的海拔递增的点可以放在同一个集合里面讨论考虑使用并查集,每一个集合中只需要有一个抽水机即可每次从海拔最低的点中选出一个点将它和它周围的海拔比当前海拔低的点直接链接在一起同时,维护每个并查集是否存在抽水机如果当前点是城市,并且所在的并查集中有抽水机了显然是不用再额外增加抽水机了但是,如…

LN : leetcode 733 Flood Fill

lc 733 Flood Fill 733 Flood Fill An image is represented by a 2-D array of integers, each integer representing the pixel value of the image (from 0 to 65535). Given a coordinate (sr, sc) representing the starting pixel (row and column) of the flood f…

[LeetCode&Python] Problem 733. Flood Fill

An image is represented by a 2-D array of integers, each integer representing the pixel value of the image (from 0 to 65535). Given a coordinate (sr, sc) representing the starting pixel (row and column) of the flood fill, and a pixel value newColor,…

733. Flood Fill 简单型染色问题

［抄题］: An image is represented by a 2-D array of integers, each integer representing the pixel value of the image (from 0 to 65535). Given a coordinate (sr, sc) representing the starting pixel (row and column) of the flood fill, and a pixel value newC…