Best Time to Buy and Sell Stock LeetCode Solution

Problem Statement The Best Time to Buy and Sell Stock LeetCode Solution – “Best Time to Buy and Sell Stock” states that You are given an array of prices where prices[i] is the price of a given stock on an ith day. You want to maximize your profit by choosing …

Read more

Number of Islands LeetCode Solution

Problem Statement The number of Islands LeetCode Solution – “Number of Islands” states that you are given an m x n 2D binary grid which represents a map of ‘1’s (land) and ‘0’s (water), you have to return the number of islands. An island is surrounded by water and is …

Read more

Insert Interval Leetcode Solution

The problem Insert Interval Leetcode Solution provides us with a list of some intervals and one separate interval. Then we are told to insert this new interval among the list of intervals. So, the new interval might be intersecting with intervals that are already in the list, or it might …

Read more

Word Search Leetcode Solution

Problem Statement Given an m x n board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cells, where “adjacent” cells are horizontally or vertically neighbouring. The same letter cell may not be used more than once. Example …

Read more

Search in Rotated Sorted Array Leetcode Solution

Consider a sorted array but one index was picked and the array was rotated at that point. Now, once the array has been rotated you are required to find a particular target element and return its index. In case, the element is not present, return -1. The problem is generally …

Read more

Longest Substring Without Repeating Characters LeetCode Solution

Longest Substring Without Repeating Characters LeetCode Solution – Given a string, we have to find the length of the longest substring without repeating characters. Let’s look into a few examples: Example pwwkew 3 Explanation: Answer is “wke” with length 3 aav 2 Explanation: Answer is “av” with length 2 Approach-1 …

Read more