Easy LeetCode Problems: Page 4 of 4

Problems 601 to 760 of the 760 Easy-rated problems in this library, continuing the list on the Easy hub.

Page 4 of 4

Easy problems, page 4
No.	Problem	Topics
0422	Valid Word SquarePremium	Array, Matrix
0512	Game Play Analysis IIPremium	Database
0597	Friend Requests I: Overall Acceptance RatePremium	Database
0603	Consecutive Available SeatsPremium	Database
0604	Design Compressed String IteratorPremium	Design, Array, String +1
0613	Shortest Distance in a LinePremium	Database
0734	Sentence SimilarityPremium	Array, Hash Table, String
0760	Find Anagram MappingsPremium	Array, Hash Table
0800	Similar RGB ColorPremium	Math, String, Enumeration
1056	Confusing NumberPremium	Math
1064	Fixed PointPremium	Array, Binary Search
1065	Index Pairs of a StringPremium	Trie, Array, String +1
1069	Product Sales Analysis IIPremium	Database
1075	Project Employees I	Database
1076	Project Employees IIPremium	Database
1082	Sales Analysis IPremium	Database
1083	Sales Analysis IIPremium	Database
1084	Sales Analysis III	Database
1085	Sum of Digits in the Minimum NumberPremium	Array, Math
1086	High FivePremium	Array, Hash Table, Sorting +1
1099	Two Sum Less Than KPremium	Array, Two Pointers, Binary Search +1
1113	Reported PostsPremium	Database
1118	Number of Days in a MonthPremium	Math
1119	Remove Vowels from a StringPremium	String
1133	Largest Unique NumberPremium	Array, Hash Table, Sorting
1134	Armstrong NumberPremium	Math
1141	User Activity for the Past 30 Days I	Database
1142	User Activity for the Past 30 Days IIPremium	Database
1148	Article Views I	Database
1150	Check If a Number Is Majority Element in a Sorted ArrayPremium	Array, Binary Search
1165	Single-Row KeyboardPremium	Hash Table, String
1173	Immediate Food Delivery IPremium	Database
1176	Diet Plan PerformancePremium	Array, Sliding Window
1179	Reformat Department Table	Database
1180	Count Substrings with Only One Distinct LetterPremium	Math, String
1196	How Many Apples Can You Put into the BasketPremium	Greedy, Array, Sorting
1211	Queries Quality and Percentage	Database
1213	Intersection of Three Sorted ArraysPremium	Array, Hash Table, Binary Search +1
1228	Missing Number In Arithmetic ProgressionPremium	Array, Math
1241	Number of Comments per PostPremium	Database
1243	Array TransformationPremium	Array, Simulation
1251	Average Selling Price	Database
1271	HexspeakPremium	Math, String
1279	Traffic Light Controlled IntersectionPremium	Concurrency
1280	Students and Examinations	Database
1294	Weather Type in Each CountryPremium	Database
1303	Find the Team SizePremium	Database
1322	Ads PerformancePremium	Database
1327	List the Products Ordered in a Period	Database
1350	Students With Invalid DepartmentsPremium	Database
1378	Replace Employee ID With The Unique Identifier	Database
1407	Top Travellers	Database
1421	NPV QueriesPremium	Database
1426	Counting ElementsPremium	Array, Hash Table
1427	Perform String ShiftsPremium	Array, Math, String
1435	Create a Session Bar ChartPremium	Database
1469	Find All The Lonely NodesPremium	Tree, Depth-First Search, Breadth-First Search +1
1474	Delete N Nodes After M Nodes of a Linked ListPremium	Linked List
1484	Group Sold Products By The Date	Database
1495	Friendly Movies Streamed Last MonthPremium	Database
1511	Customer Order FrequencyPremium	Database
1517	Find Users With Valid E-Mails	Database
1527	Patients With a Condition	Database
1543	Fix Product Name FormatPremium	Database
1565	Unique Orders and Customers Per MonthPremium	Database
1571	Warehouse ManagerPremium	Database
1581	Customer Who Visited but Did Not Make Any Transactions	Database
1587	Bank Account Summary II	Database
1607	Sellers With No SalesPremium	Database
1623	All Valid Triplets That Can Represent a CountryPremium	Database
1633	Percentage of Users Attended a Contest	Database
1661	Average Time of Process per Machine	Database
1667	Fix Names in a Table	Database
1677	Product's Worth Over InvoicesPremium	Database
1683	Invalid Tweets	Database
1693	Daily Leads and Partners	Database
1708	Largest Subarray Length KPremium	Greedy, Array
1729	Find Followers Count	Database
1731	The Number of Employees Which Report to Each Employee	Database
1741	Find Total Time Spent by Each Employee	Database
1757	Recyclable and Low Fat Products	Database
1777	Product's Price for Each StorePremium	Database
1789	Primary Department for Each Employee	Database
1795	Rearrange Products Table	Database
1809	Ad-Free SessionsPremium	Database
1821	Find Customers With Positive Revenue this YearPremium	Database
1826	Faulty SensorPremium	Array, Two Pointers
1853	Convert Date FormatPremium	Database
1873	Calculate Special Bonus	Database
1890	The Latest Login in 2020	Database
1933	Check if String Is Decomposable Into Value-Equal SubstringsPremium	String
1939	Users That Actively Request Confirmation MessagesPremium	Database
1965	Employees With Missing Information	Database
1978	Employees Whose Manager Left the Company	Database
2026	Low-Quality ProblemsPremium	Database
2072	The Winner UniversityPremium	Database
2082	The Number of Rich CustomersPremium	Database
2205	The Number of Users That Are Eligible for DiscountPremium	Database
2229	Check if an Array Is ConsecutivePremium	Array, Hash Table, Sorting
2230	The Users That Are Eligible for DiscountPremium	Database
2329	Product Sales Analysis VPremium	Database
2339	All the Matches of the LeaguePremium	Database
2356	Number of Unique Subjects Taught by Each Teacher	Database
2377	Sort the Olympic TablePremium	Database
2480	Form a Chemical BondPremium	Database
2504	Concatenate the Name and the ProfessionPremium	Database
2619	Array Prototype Last	JavaScript
2620	Counter	JavaScript
2621	Sleep	JavaScript
2626	Array Reduce Transformation	JavaScript
2629	Function Composition	JavaScript
2634	Filter Elements from Array	JavaScript
2635	Apply Transform Over Each Element in Array	JavaScript
2648	Generate Fibonacci Sequence	JavaScript
2665	Counter II	JavaScript
2666	Allow One Function Call	JavaScript
2667	Create Hello World Function	JavaScript
2668	Find Latest SalariesPremium	Database
2669	Count Artist Occurrences On Spotify Ranking ListPremium	Database
2677	Chunk Array	JavaScript
2687	Bikes Last Time UsedPremium	Database
2689	Extract Kth Character From The Rope TreePremium	Tree, Depth-First Search, Binary Tree
2690	Infinite Method ObjectPremium	JavaScript
2695	Array Wrapper	JavaScript
2703	Return Length of Arguments Passed	JavaScript
2704	To Be Or Not To Be	JavaScript
2715	Timeout Cancellation	JavaScript
2723	Add Two Promises	JavaScript
2724	Sort By	JavaScript
2725	Interval Cancellation	JavaScript
2726	Calculator with Method Chaining	JavaScript
2727	Is Object Empty	JavaScript
2728	Count Houses in a Circular StreetPremium	Array, Interactive
2758	Next DayPremium	JavaScript
2774	Array Upper BoundPremium	JavaScript
2794	Create Object from Two ArraysPremium	JavaScript
2796	Repeat StringPremium	JavaScript
2797	Partial Function with PlaceholdersPremium	JavaScript
2803	Factorial GeneratorPremium	JavaScript
2804	Array Prototype ForEachPremium	JavaScript
2822	Inversion of ObjectPremium	JavaScript
2837	Total Traveled DistancePremium	Database
2853	Highest Salaries DifferencePremium	Database
2878	Get the Size of a DataFrame	Pandas
2879	Display the First Three Rows	Pandas
2880	Select Data	Pandas
2881	Create a New Column	Pandas
2882	Drop Duplicate Rows	Pandas
2883	Drop Missing Data	Pandas
2884	Modify Columns	Pandas
2885	Rename Columns	Pandas
2886	Change Data Type	Pandas
2887	Fill Missing Data	Pandas
2888	Reshape Data: Concatenate	Pandas
2889	Reshape Data: Pivot	Pandas
2890	Reshape Data: Melt	Pandas
2891	Method Chaining	Pandas
2985	Calculate Compressed MeanPremium	Database
2987	Find Expensive CitiesPremium	Database
2990	Loan TypesPremium	Database

Problems with a complete Python solution are listed first, then by ascending problem number. Or go by technique instead: all LeetCode patterns.