You are playing the following Nim Game with your friend:Initially, there is a heap of stones on the table.You and your friend will alternate taking turns, and you go first.On each turn, the person who

You are given an integer array nums of size n and a positive integer k. Divide the array into one or more arrays of size 3 satisfying the following conditions: Each element of nums should be in exactl

You are given a 0-indexed integer array nums and an integer k. Return an integer that denotes the sum of elements in nums whose corresponding indices have exactly k set bits in their binary representa

You are given a 0-indexed array words consisting of distinct strings. The string words[i] can be paired with the string words[j] if: The string words[i] is equal to the reversed string of words[j].0 &

Given two string arrays words1 and words2, return the number of strings that appear exactly once in each of the two arrays. Example 1:Input: words1 = [“leetcode”,”is”,”amazing”,”as”,”is”], words2

You are given a string s consisting only of uppercase English letters. You can apply some operations to this string where, in one operation, you can remove any occurrence of one of the substrings “AB”

Given an integer array nums, return the greatest common divisor of the smallest number and largest number in nums. The greatest common divisor of two numbers is the largest positive integer that evenl

Given the head of a linked list head, in which each node contains an integer value. Between every pair of adjacent nodes, insert a new node with a value equal to the greatest common divisor of them. R

Alice has n balloons arranged on a rope. You are given a 0-indexed string colors where colors[i] is the color of the ith balloon. Alice wants the rope to be colorful. She does not want two consecutive

You are given two 0-indexed integer arrays player1 and player2, that represent the number of pins that player 1 and player 2 hit in a bowling game, respectively. The bowling game consists of n turns,