1550. Three Consecutive Odds
Given an integer array arr, return true if there are three consecutive odd numbers in the array. Otherwise, return false. Example 1: Input: arr […]
Make Binary Tree From Linked List
Given a Linked List Representation of Complete Binary Tree. The task is to construct the Binary tree and print the
1579. Remove Max Number of Edges to Keep Graph Fully Traversable
Alice and Bob have an undirected graph of n nodes and three types of edges: Type 1: Can be traversed by Alice
Delete node in Doubly Linked List
Given a doubly Linked list and a position. The task is to delete a node from a given position (position starts from 1) in
Identical Linked Lists
Given the two singly Linked Lists respectively. The task is to check whether two linked lists are identical or not. Two Linked Lists are identical
2192. All Ancestors of a Node in a Directed Acyclic Graph
You are given a positive integer n representing the number of nodes of a Directed Acyclic Graph (DAG). The nodes are numbered from 0 to n –
2285. Maximum Total Importance of Roads
You are given an integer n denoting the number of cities in a country. The cities are numbered from 0 to n – 1. You
The Palindrome Pattern
Given a two-dimensional integer array arr of dimensions n x n, consisting solely of zeros and ones, identify the row or column (using
1791. Find Center of Star Graph
There is an undirected star graph consisting of n nodes labeled from 1 to n. A star graph is a graph where there is one center node and exactly n –
Toeplitz matrix
A Toeplitz (or diagonal-constant) matrix is a matrix in which each descending diagonal from left to right is constant, i.e.,
78. Subsets
Given an integer array nums of unique elements, return all possible subsets (the power set). The solution set must not contain duplicate subsets. Return the solution in any order. Example
76. Minimum Window Substring
Given two strings s and t of lengths m and n respectively, return the minimum window substring of s such that every character in t (including duplicates) is included in the window. If there is no