Problem Statement The Unique Paths II LeetCode Solution – “Unique Paths II” states that given the m x n grid where a robot starts from the top left corner of the grid. We need to find the total number of ways to reach the bottom right corner of the grid. …
Problem Statement The Search a 2D Matrix II LeetCode Solution – “Search a 2D Matrix II”asks you to find an efficient algorithm that searches for a value target in an m x n integer matrix matrix. Integers in each row, as well as column, are sorted in ascending order. Example: Input: matrix = [[1,4,7,11,15],[2,5,8,12,19],[3,6,9,16,22],[10,13,14,17,24],[18,21,23,26,30]], target = 5 Output: true …
Problem Statement The Find Two Non-overlapping Sub-arrays Each With Target Sum LeetCode Solution – “Find Two Non-overlapping Sub-arrays Each With Target Sum” states that you are given an integer array nums and an integer target, the task here is to find two non-overlapping subarrays from array nums such that the …
Problem Statement Bold Words in String LeetCode Solution – Given an array of keywords words and a string s, make all appearances of all keywords words[i] in s bold. Any letters between <b> and </b> tags become bold. Return s after adding the bold tags. The returned string should use the least number of tags possible, and the tags should form a …
Problem Statement Minimum Total Space Wasted With K Resizing Operations LeetCode Solution – You are currently designing a dynamic array. You are given a 0-indexed integer array nums, where nums[i] is the number of elements that will be in the array at time i. In addition, you are given an integer k, the maximum number of …
Problem Statement Subarray Product Less Than K LeetCode Solution – Given an array of integers nums and an integer k, return the number of contiguous subarrays where the product of all the elements in the subarray is strictly less than k. Example Test Case 1: Input: inputArr = [10, 5, 2, 6] k = 100 …
Problem Statement The Maximum Length of a Concatenated String with Unique Characters LeetCode Solution – “Maximum Length of a Concatenated String with Unique Characters” says that you’re given an array of strings and you need to choose any subsequence of the given array and concatenate those strings to form the …
Problem Statement The problem, Next Greater Element III LeetCode Solution states that you are given a positive integer n and you need to find the next greatest integer using the digits present in n only. If there does not exist any such integer, you need to print -1. Moreover, the new …
Problem Statement Largest Submatrix With Rearrangements LeetCode Solution – You are given a binary matrix matrix of size m x n, and you are allowed to rearrange the columns of the matrix in any order. Return the area of the largest submatrix within matrix where every element of the submatrix is 1 after reordering the columns optimally. Input: matrix = [[0,0,1],[1,1,1],[1,0,1]] Output: 4 …
Problem Statement Binary Tree Longest Consecutive Sequence LeetCode Solution – Given the root of a binary tree, return the length of the longest consecutive sequence path. The path refers to any sequence of nodes from some starting node to any node in the tree along with the parent-child connections. The longest consecutive …