Problem Statement The Word Ladder LeetCode Solution – “Word Ladder” states that you are given a string beginWord, string endWord, and a wordList. We need to find the shortest transformation sequence length (if no path exists, print 0) from beginWord to endWord following the given conditions: All the Intermediate Words should …
Problem Statement The Best Meeting Point LeetCode Solution says Given a binary grid grid of size m x n where each 1 determines the home of one friend, we want to return the minimal total travel distance where the total travel distance is the sum of the distances between the houses of …
Problem Statement The problem Longest Substring with At Least K Repeating Characters LeetCode Solution says given a string S and an integer k, return the length of the longest substring of S such that the frequency of each character in this substring is greater than or equal to k. Example for Longest Substring with At Least …
Problem Statement The problem Same Tree says Given the roots of two binary trees p and q, write a function to check if they are the same or not. Two binary trees are considered the same if they are structurally identical, and the nodes have the same value. Example: Test Case …
Problem Statement The Kth Smallest Number in Multiplication Table Solution – states that you are given the multiplication table matrix of size m x n, where matrix[i][j] = i*j (1 indexed). For the given three integers m,n and k, we need to find the kth smallest element in the m …
Problem Statement The problem Last Stone Weight II says you are given an array of integers stones where stones[i] is the weight of the ith stone. We are playing a game with the stones. On each turn, we choose any two stones and smash them together. Suppose the stones have weights x and y …
Problem Statement Spiral Matrix Problem says In Spiral Matrix we want to print all the elements of a matrix in a spiral form in the clockwise direction. Approach for Spiral Matrix: Idea The problem can be implemented by dividing the matrix into loops and printing all the elements in each …
Problem Statement The Sum of Subarray Ranges Leetcode Solution – says that you’re given an integer array nums of max size 10^3. We need to return the sum of all subarray ranges of the given array. The range of a subarray is defined as the difference between the largest and smallest …
Problem Statement The Remove Duplicates from Sorted Array Leetcode Solution – says that you’re given an integer array sorted in non-decreasing order. We need to remove all duplicate elements and modify the original array such that the relative order of distinct elements remains the same and, report the value of …
Problem Statement The Largest BST Subtree LeetCode Solution problem says given the root of a binary tree, find the largest subtree, which is also a Binary Search Tree (BST), where the largest means subtree having the largest number of nodes. Note: A subtree must include all of its descendants. In a Binary …