Vertical Order Traversal Of Binary Tree
Problem Statement Given a binary tree, print it vertically. Sample Test Cases Input 1: Output 1: 421 5…
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Coding Problems
112 posts
Intersection of Two Linked Lists
Problem Statement Given the heads of two linked lists A and B. The task is to return the…
Vertex Cover Problem
Problem Statement Given a graph of n nodes and m edges, find its minimum size vertex cover. Vertex…
Stack Using 2 Queues
Problem Statement Implement a class Stack, using 2 Queues, which can perform the following operations: Push(): Push a…
Construct Tree from Inorder and Preorder
Given two arrays inorder[] and preorder[], which represents the inorder and the preorder traversal of a binary tree.…
Largest Rectangle in Histogram
Given an array of integers A[], where each element A[i] represents the height of a bar in histogram.…
Word Break Problem (With Solution)
Given a string s and a dictionary of strings. The task is to check whether the given string…
Left View of a Binary Tree
What is Print Left View of a Binary Tree Problem? Given a binary tree, the left view of…
Arrange Given Numbers to Form Biggest Number
Problem Statement Given an array of numbers, arrange the numbers in such a way that the number formed…
Minimum Swaps Problem (Solution)
Problem Statement Given an array with distinct integers, find the minimum number of swaps required to sort it.…