2419. Longest Subarray With Maximum Bitwise AND
You are given an integer array nums of size n. Consider a non-empty subarray from nums that has the maximum possible bitwise AND. In other words, let k be the maximum value […]
Alternate Positive And Negative Numbers
Given an unsorted array arr containingbothpositive and negative numbers. Your task is to create an array of alternate positive and negative numbers without changing the
1310. XOR Queries of a Subarray
You are given an array arr of positive integers. You are also given the array queries where queries[i] = [lefti, righti]. For each query i compute the XOR of
Mirror Tree
Given a Binary Tree, convert it into its mirror. Examples: Input: 1 / \ 2 3 Output: 3
1684. Count the Number of Consistent Strings
You are given a string allowed consisting of distinct characters and an array of strings words. A string is consistent if all characters in the string appear
Middle of a Linked List
Given the head of a linked list, the task is to find the middle. For example, the middle of 1-> 2->3->4->5 is 3. If
2220. Minimum Bit Flips to Convert Number
A bit flip of a number x is choosing a bit in the binary representation of x and flipping it from either 0 to 1 or 1 to 0. For example, for x = 7, the
Minimum Cost Of Ropes
Given an array arr containing the lengths of the different ropes, we need to connect these ropes to form one rope. The cost to
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]