Word SearchGiven an m x n board and a word, find if the word exists in the grid.Mar 1, 2021Mar 1, 2021
CombinationsGiven two integers n and k, return all possible combinations of k numbers out of 1 … n.Feb 26, 2021Feb 26, 2021
PermutationsGiven an array nums of distinct integers, return all the possible permutations. You can return the answer in any order.Feb 25, 2021Feb 25, 2021
Pacific Atlantic Water FlowGiven an m x n matrix of non-negative integers representing the height of each unit cell in a continent, the "Pacific ocean" touches the…Feb 18, 2021Feb 18, 2021
Number of ProvincesThere are n cities. Some of them are connected, while some are not. If city a is connected directly with city b, and city b is connected…Feb 17, 2021Feb 17, 2021
Max Area of IslandGiven 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…Feb 15, 2021Feb 15, 2021
Median of Two Sorted ArraysGiven two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays.Feb 2, 2021Feb 2, 2021
Single Element in a Sorted ArrayYou are given a sorted array consisting of only integers where every element appears exactly twice, except for one element which appears…Jan 30, 2021Jan 30, 2021