[LeetCode] 711. Number of Distinct Islands II 不同岛屿的个数之二
Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) c ...
原文：[LeetCode] 694. Number of Distinct Islands 不同岛屿的个数
Given a non empty D arraygridof s and s, anislandis a group of s representing land connected directionally horizontal or vertical. You may assume all four edges of the grid are surrounded by water. C ...
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lintcode：Number of Islands 岛屿的个数
题目： 岛屿的个数 给一个01矩阵，求不同的岛屿的个数。 0代表海，1代表岛，如果两个1相邻，那么这两个1属于同一个岛。我们只考虑上下左右为相邻。 样例 在矩阵： 中有 3 个岛. 解题 ...
[LeetCode] 200. Number of Islands 岛屿的数量
Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting ...
[LeetCode] 200. Number of Islands 岛屿的数量
Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting ...
[LeetCode] 305. Number of Islands II 岛屿的数量之二
A 2d grid map of m rows and n columns is initially filled with water. We may perform an addLand o ...
[LeetCode] 1254. Number of Closed Islands 统计封闭岛屿的数目
Given a 2D grid consists of 0s (land) and 1s (water). An island is a maximal 4-directionally conn ...
[LeetCode] Number of Islands
Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting ...
Leetcode: Number of Islands
DFS的Flood Fill方法， 不使用额外visited数组，但是用‘1’变成‘2’表示visited的方法 复杂度 时间 O(NM) 空间 O(max(N,M)) 递归栈空间 ...