原创 126. Word Ladder II(Leetcode每日一題-2020.06.07）
Problem Given two words (beginWord and endWord), and a dictionary’s word list, find all shortest transformation seq
2020-06-30 07:15:45
原创 67. Add Binary(Leetcode每日一題-2020.06.23）
Problem Given two binary strings, return their sum (also a binary string). The input strings are both non-empty and
2020-06-30 07:15:45
原创 41. First Missing Positive(Leetcode每日一題-2020.06.27）
Problem Given an unsorted integer array, find the smallest missing positive integer. Note: Your algorithm should ru
2020-06-30 07:15:45
原创 238. Product of Array Except Self(Leetcode每日一題-2020.06.04）
Problem Given an array nums of n integers where n > 1, return an array output such that output[i] is equal to the
2020-06-30 07:15:45
原创 面試題46. 把數字翻譯成字符串(Leetcode每日一題-2020.06.09）
Problem 給定一個數字，我們按照如下規則把它翻譯爲字符串：0 翻譯成 “a” ，1 翻譯成 “b”，……，11 翻譯成 “l”，……，25 翻譯成 “z”。一個數字可能有多個翻譯。請編程實現一個函數，用來計算一個數字有多少種
2020-06-30 07:15:45
原创 面試題 02.01. Remove Duplicate Node LCCI(Leetcode每日一題-2020.06.26）
Problem Write code to remove duplicates from an unsorted linked list. Note: The length of the list is within the r
2020-06-30 07:15:45
原创 215. Kth Largest Element in an Array(Leetcode每日一題-2020.06.29）
Problem Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted or
2020-06-30 07:15:45
原创 1300. Sum of Mutated Array Closest to Target(Leetcode每日一題-2020.06.14）
Problem Given an integer array arr and a target value target, return the integer value such that when we change all
2020-06-30 07:15:45
原创 837. New 21 Game(Leetcode每日一題-2020.06.03）
Problem Alice plays the following game, loosely based on the card game “21”. Alice starts with 0 points, and draws
2020-06-30 07:15:45
原创 10. Regular Expression Matching(Leetcode每日一題-2020.06.20)
Problem Given an input string (s) and a pattern §, implement regular expression matching with support for ‘.’ and ‘
2020-06-30 07:15:45
原创 70. Climbing Stairs(Leetcode每日一題-2020.06.13)
Problem You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2
2020-06-30 07:15:45
原创 15. 3Sum(Leetcode每日一題-2020.06.12）
Problem Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all uni
2020-06-30 07:15:45
原创 297. Serialize and Deserialize Binary Tree(Leetcode每日一題-2020.06.16）
Problem Serialization is the process of converting a data structure or object into a sequence of bits so that it ca
2020-06-30 07:15:45
原创 125. Valid Palindrome(Leetcode每日一題-2020.06.19)
Problem Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring case
2020-06-30 07:15:45
原创 739. Daily Temperatures(Leetcode每日一題-2020.06.11）
Problem Given a list of daily temperatures T, return a list such that, for each day in the input, tells you how man
2020-06-30 07:15:45