2807. Insert Greatest Common Divisors in Linked List
Given the head of a linked list head, in which each node contains an integer value. Between every pair of adjacent […]
Circle Of Strings
Given an array arr of lowercase strings, determine if the strings can be chained together to form a circle.A string X can be chained
2326. Spiral Matrix IV
You are given two integers m and n, which represent the dimensions of a matrix. You are also given the head of a linked list
Sort 0s, 1s and 2s
Given an array arr containing only 0s, 1s, and 2s. Sort the array in ascending order. Examples: Input: arr[]= [0, 2, 1, 2, 0]
725. Split Linked List in Parts
Given the head of a singly linked list and an integer k, split the linked list into k consecutive linked list parts. The length of
Minimum Jumps
Given an array arr[] of non-negative integers. Each array element represents the maximum length of the jumps that can be made forward from that
1367. Linked List in Binary Tree
Given a binary tree root and a linked list with head as the first node. Return True if all the elements in the linked list
Nth Natural Number
Given a positive integer n. You have to find nth natural number after removing all the numbers containing the digit 9. Examples :
3217. Delete Nodes From Linked List Present in Array
You are given an array of integers nums and the head of a linked list. Return the head of the modified linked list after removing all nodes from
Kadane’s Algorithm
Given an integer array arr[]. Find the contiguous sub-array(containing at least one number) that has the maximum sum and return its sum. Examples:
2028. Find Missing Observations
You have observations of n + m 6-sided dice rolls with each face numbered from 1 to 6. n of the observations went missing, and you only have
Missing in Array
Given an array arr of size n−1 that contains distinct integers in the range of 1 to n (inclusive), find the missing element. The array