Kallol Bairagikallolbairagi.hashnode.dev·Oct 24, 2023#200.Number of Islands [LeetCode Grind 75 in Java]class Solution { private int[][] dir = {{1,0}, {-1,0}, {0,1}, {0,-1}}; public int numIslands(char[][] grid) { int r = grid.length; int c = grid[0].length; int numberIslands = 0; for(int i = 0; i < r; i ++){...LeetCode Grind 75 in JavaDSAAdd a thoughtful commentNo comments yetBe the first to start the conversation.