09 2020 档案
摘要：Word Break (M) 题目 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 sp
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摘要：Subarray Product Less Than K (M) 题目 Your are given an array of positive integers nums. Count and print the number of (contiguous) subarrays where the
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摘要：Evaluate Division (M) 题目 You are given equations in the format A / B = k, where A and B are variables represented as strings, and k is a real number (
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摘要：Teemo Attacking (M) 题目 In LOL world, there is a hero called Teemo and his attacking can make his enemy Ashe be in poisoned condition. Now, given the T
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摘要：Largest Number (M) 题目 Given a list of non negative integers, arrange them such that they form the largest number. Example 1: Input: [10,2] Output: "21
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摘要：Find the Difference (E) 题目 Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and t
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摘要：Gas Station (M) 题目 There are N gas stations along a circular route, where the amount of gas at station i is gas[i]. You have a car with an unlimited g
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摘要：Majority Element II (M) 题目 Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. Note: The algorithm should run in
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摘要：Car Pooling (M) 题目 You are driving a vehicle that has capacity empty seats initially available for passengers. The vehicle only drives east (ie. it ca
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摘要：Unique Paths III (H) 题目 On a 2-dimensional grid, there are 4 types of squares: 1 represents the starting square. There is exactly one starting square.
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摘要：Sequential Digits (M) 题目 An integer has sequential digits if and only if each digit in the number is one more than the previous digit. Return a sorted
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摘要：Best Time to Buy and Sell Stock (E) 题目 Say you have an array for which the \(i^{th}\) element is the price of a given stock on day i. If you were only
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摘要：Robot Bounded In Circle (M) 题目 On an infinite plane, a robot initially stands at (0, 0) and faces north. The robot can receive one of three instructio
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摘要：Maximum XOR of Two Numbers in an Array (M) 题目 Given a non-empty array of numbers, a0, a1, a2, … , an-1, where 0 ≤ ai < 231. Find the maximum result of
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摘要：Combination Sum III (M) 题目 Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and
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摘要：Maximum Product Subarray (M) 题目 Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has t
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摘要：Compare Version Numbers (M) 题目 Compare two version numbers version1 and version2. If version1 > version2 return 1; if version1 < version2 return -1;ot
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摘要：Sum of Root To Leaf Binary Numbers (E) 题目 Given a binary tree, each node has value 0 or 1. Each root-to-leaf path represents a binary number starting
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摘要：Image Overlap (M) 题目 Two images A and B are given, represented as binary, square matrices of the same size. (A binary matrix has only 0s and 1s as val
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摘要：All Elements in Two Binary Search Trees (M) 题目 Given two binary search trees root1 and root2. Return a list containing all the integers from both tree
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摘要：Partition Labels (M) 题目 A string S of lowercase English letters is given. We want to partition this string into as many parts as possible so that each
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摘要：Repeated Substring Pattern (E) 题目 Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of
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摘要：Contains Duplicate III (M) 题目 Given an array of integers, find out whether there are two distinct indices i and j in the array such that the absolute
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摘要：Largest Time for Given Digits (E) 题目 Given an array of 4 digits, return the largest 24 hour time that can be made. The smallest 24 hour time is 00:00,
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