Given a non-empty array nums containing only positive integers, find if the array can be partitioned into two subsets such that the sum of elements in
2020 November LeetCoding Challenge 문제 Given an array of non-negative integers arr, you are initially positioned at start index of the array. When you
2020 December LeetCoding Challenge 문제 Given the root of a binary tree, return its maximum depth. A binary tree's maximum depth is the number of node
Given a singly linked list, return a random node's value from the linked list. Each node must have the same probability of being chosen.Follow up:What
You have a long flowerbed in which some of the plots are planted, and some are not. However, flowers cannot be planted in adjacent plots.Given an inte