Free Post Coding Sum of two Linked List Sum of two linked lists using recursion without any extra space and modification to the Linked List.
Free Post Coding Search in a Rotated Array The interesting property of a sorted and rotated array is that when you divide it into two halves, atleast one of the two halves will always be sorted.
Free Post Coding Remove all duplicates from a given string Remove all duplicates from a given string using constant space and linear time
Free Post Coding Leetcode 98. Validate Binary Search Tree (BST) - C# Given a binary tree, determine if it is a valid binary search tree (BST)
Free Post Coding Edit Distance - LeetCode Given two words word1 and word2, find the minimum number of operations required to convert word1 to word2
Free Post Coding 1035. Understand Uncrossed Lines (LeetCode) Uncrossed Lines problem (1035) is part of the May 2020 monthly challenge on LeetCode platform. We solve the problem by using Dynamic Programming concept by finding a pattern in the matrix representation.
Free Post Coding How Number of ways with combinations to get a final score help you live a better life - II Count number of ways to reach a given number with combinations
Free Post Coding How Number of ways to get a final score help you live a better life - I Count number of ways to get a final number
Free Post Coding Why Articulations Point or Cut Vertex in a Graph is sexy A vertex in a graph is called an articulation point or a cut vertex iff removing it disconnects the graph. It identifies the vulnerabilities in a connected network, on failure would split the graph and helps designing reliable networks.
Free Post Coding The Best Ways to Utilize Lambda Expressions: Java 8 The much-awaited Java 8 evolution focuses on the shortcode, ease of programming and smart use of multicore processors. The significant features include Lambda expressions, Streams API and Default Methods in interfaces
Free Post Coding What Experts Are Saying About Transitive Closure of a Graph Transitive Closure of a graph
Free Post Coding When Top Left to Bottom Rights Send You Running for Cover Problem Statement Given an [n x m] grid consisting of values 0 and 1. A value of 1 means that you can enter that cell and 0 implies that entry
Free Post Coding The Insider's Guide to Sliding Window and Scheduling Problem Statement (asked at Uber) There is a meeting scheduled in an office that lasts for time t and starts at time 0. In between the meeting there are n
Free Post Coding The Insider's Guide to XOR Linked List Introduction XOR Linked List, also known as Memory-Efficient Linked List, is a form of a doubly linked list that takes less memory than doubly linked list and highly dependent on
Free Post Coding Finding First Missing Positive Integers the Right Way Problem Statement Stripe asked this problem. Given an array of integers, find the first missing positive integer in linear time and constant space. In other words, find the lowest positive