摘要： Given a linked list, determine if it has a cycle in it. To represent a cycle in the given linked list, we use an integer pos which represents the posi 阅读全文

摘要： Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if s can be segmented into a space-separated sequ 阅读全文

摘要： Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are n 阅读全文

摘要： Given a list of daily temperatures T, return a list such that, for each day in the input, tells you how many days you would have to wait until a warme 阅读全文

摘要： Given a non-empty special binary tree consisting of nodes with the non-negative value, where each node in this tree has exactly two or zero sub-node. 阅读全文

摘要： 945. Minimum Increment to Make Array Unique Medium 25111FavoriteShare 945. Minimum Increment to Make Array Unique Medium 25111FavoriteShare Medium Giv 阅读全文

摘要： Given a binary string S (a string consisting only of '0' and '1's) and a positive integer N, return true if and only if for every integer X from 1 to 阅读全文

摘要： You are given an integer array nums and you have to return a new counts array. The counts array has the property where counts[i] is the number of smal 阅读全文

摘要： Given an n-ary tree, return the level order traversal of its nodes' values. Nary-Tree input serialization is represented in their level order traversa 阅读全文

摘要： Given an n-ary tree, return the postorder traversal of its nodes' values. Nary-Tree input serialization is represented in their level order traversal, 阅读全文