Number of Closed Islands | LeetCode
class Solution { public int closedIsland(int[][] grid) { int row = grid.length; int col = grid[0].length; int countIsland = 0; […]
algorithms
LeetCode Day16 Binary Tree Part 6
Given the root of a Binary Search Tree (BST), return the minimum absolute difference between the values of any two
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Image credits to i7 from Pixiv: https://www.pixiv.net/en/users/54726558 Debounce and throttle are design patterns used to limit the execution of functions,
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Flatten Binary Tree to Linked List | LeetCode | Java
Approach 1 : Using DFS class Solution { TreeNode prevNode = null; public void flatten(TreeNode root) { if(root==null) return; flatten(root.right);
Best time to buy and sell stock Solution
Let’s find the optimal solution for the ‘Best Time to Buy and Sell Stock‘ problem, as presented by LeetCode, GeeksforGeeks,