题目:https://leetcode.com/contest/leetcode-weekly-contest-53/problems/number-of-distinct-islands/ 题意:给你一个01图,让你找出有多少不同的联通块(相同意为可以通过平移得到) 思路:BFS保存每次走的方向 代码: #include<bits/stdc++.h> using namespace std; #define MP make_pair int dx[] = ...
Given a non-empty 2D arraygridof 0's and 1's, an island is a group of1's (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded by water. Count the number of distinct islands. An island is considered to be th...
1classSolution {2publicintnumDistinctIslands(int[][] grid) {3Set<String> set =newHashSet<>();4for(inti = 0; i < grid.length; i++) {5for(intj = 0; j < grid[0].length; j++) {6if(grid[i][j] != 0) {7StringBuilder sb =newStringBuilder();8dfs(grid, i, j, sb, "o")...
Given a non-empty 2D arraygrid of 0's and 1's, an island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded by water. Count the number of distinct islands. An island is considered to be...
[LeetCode] 694. Number of Distinct Islands Problem Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded by water....
11are considered different island shapes, because wedonot consider reflection /rotation. Note: The length of each dimension in the given grid does not exceed50. https://leetcode.com/problems/number-of-distinct-islands/discuss/108475/Java-very-Elegant-and-concise-DFS-Solution(Beats-100)//correctcl...
islands, conveniently coloured red, blue and purple. The clusters consist of a, b and c distinct islands respectively. Bridges have been built between some (possibly all or none) of the islands. A智能推荐LeetCode200——岛屿的个数 我的LeetCode代码仓:https://github.com/617076674/LeetCode 原...
Number of Distinct Islands 传送门:694. Number of Distinct Islands Problem: Given a non-empty 2D array grid of 0’s and 1’s, an island is a group of 1’s (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded ...
Can you solve this real interview question? Number of Distinct Roll Sequences - You are given an integer n. You roll a fair 6-sided dice n times. Determine the total number of distinct sequences of rolls possible such that the following conditions are sa
leetcode-137-Single Number II-第二种解法 题目描述: 详细的题目描述见上一篇博客《leetcode-137-Single Number II-第一种解法》,这里简单说一下。 有一个数组,所有元素都出现了三次,除了一个元素只出现了一次。输出这个只出现一次的元素。 要求时间复杂度O(n),空间复杂度O(1)。