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Problems

970 problems

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Array447String248Hash Table189Math173Database113Sorting100Simulation93Two Pointers70Counting69Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · With video · 970 results

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TitleSolutionAcceptDifficultyTopics
1603. Design Parking SystemVideo
Solution87.2%Easy
Counting, Design +1· 6 companies
1607. Sellers With No SalesVideoPremium
Solution54.4%Easy
Database
1608. Special Array With X Elements Greater Than or Equal XVideo
Solution66.8%Easy
Array, Binary Search +1· 4 companies
1614. Maximum Nesting Depth of the ParenthesesVideo
Solution86.1%Easy
Stack, String· 7 companies
1619. Mean of Array After Removing Some ElementsVideo
Solution72.2%Easy
Array, Sorting· 1 company
1623. All Valid Triplets That Can Represent a CountryVideoPremium
Solution80.8%Easy
Database· 1 company
1624. Largest Substring Between Two Equal CharactersVideo
Solution68.5%Easy
Hash Table, String· 1 company
1629. Slowest KeyVideo
Solution59.7%Easy
Array, String· 1 company
1633. Percentage of Users Attended a ContestVideo
Solution61.5%Easy
Database· 7 companies
1636. Sort Array by Increasing FrequencyVideo
Solution80.8%Easy
Array, Hash Table +1· 10 companies
1637. Widest Vertical Area Between Two Points Containing No PointsVideo
Solution87.3%Easy
Array, Sorting· 4 companies
1640. Check Array Formation Through ConcatenationVideo
Solution57.3%Easy
Array, Hash Table
1646. Get Maximum in Generated ArrayVideo
Solution51.4%Easy
Array, Simulation· 3 companies
1652. Defuse the BombVideo
Solution79.2%Easy
Array, Sliding Window· 5 companies
1656. Design an Ordered StreamVideo
Solution82.6%Easy
Array, Data Stream +2· 3 companies
1661. Average Time of Process per MachineVideo
Solution67.1%Easy
Database· 7 companies
1662. Check If Two String Arrays are EquivalentVideo
Solution86.2%Easy
Array, String· 3 companies
1667. Fix Names in a TableVideo
Solution60.8%Easy
Database· 5 companies
1668. Maximum Repeating SubstringVideo
Solution42.5%Easy
Dynamic Programming, String +1· 6 companies
1672. Richest Customer WealthVideo
Solution88.9%Easy
Array, Matrix· 5 companies
1677. Product's Worth Over InvoicesVideoPremium
Solution38.2%Easy
Database
1678. Goal Parser InterpretationVideo
Solution88.0%Easy
String· 1 company
1683. Invalid TweetsVideo
Solution85.6%Easy
Database· 7 companies
1684. Count the Number of Consistent StringsVideo
Solution88.1%Easy
Array, Bit Manipulation +3· 3 companies
1688. Count of Matches in TournamentVideo
Solution86.4%Easy
Math, Simulation· 4 companies
1693. Daily Leads and PartnersVideo
Solution86.6%Easy
Database· 3 companies
1694. Reformat Phone NumberVideo
Solution67.7%Easy
String· 1 company
1700. Number of Students Unable to Eat LunchVideo
Solution80.1%Easy
Array, Queue +2· 5 companies
1704. Determine if String Halves Are AlikeVideo
Solution78.6%Easy
Counting, String· 1 company
1708. Largest Subarray Length KVideoPremium
Solution65.7%Easy
Array, Greedy· 1 company
1710. Maximum Units on a TruckVideo
Solution75.3%Easy
Array, Greedy +1· 9 companies
1716. Calculate Money in Leetcode BankVideo
Solution82.4%Easy
Math· 4 companies
1720. Decode XORed ArrayVideo
Solution87.3%Easy
Array, Bit Manipulation· 1 company
1725. Number Of Rectangles That Can Form The Largest SquareVideo
Solution79.5%Easy
Array· 1 company
1729. Find Followers CountVideo
Solution69.3%Easy
Database· 5 companies
1731. The Number of Employees Which Report to Each EmployeeVideo
Solution54.1%Easy
Database· 5 companies
1732. Find the Highest AltitudeVideo
Solution84.7%Easy
Array, Prefix Sum· 7 companies
1736. Latest Time by Replacing Hidden DigitsVideo
Solution43.7%Easy
Greedy, String· 1 company
1741. Find Total Time Spent by Each EmployeeVideo
Solution86.9%Easy
Database· 3 companies
1742. Maximum Number of Balls in a BoxVideo
Solution74.8%Easy
Counting, Hash Table +1· 3 companies
1748. Sum of Unique ElementsVideo
Solution80.4%Easy
Array, Counting +1· 4 companies
1752. Check if Array Is Sorted and RotatedVideo
Solution57.3%Easy
Array· 10 companies
1757. Recyclable and Low Fat ProductsVideo
Solution88.7%Easy
Database· 6 companies
1758. Minimum Changes To Make Alternating Binary StringVideo
Solution67.8%Easy
String· 6 companies
1763. Longest Nice SubstringVideo
Solution64.4%Easy
Bit Manipulation, Divide and Conquer +3· 4 companies
1768. Merge Strings AlternatelyVideo
Solution82.1%Easy
String, Two Pointers· 11 companies
1773. Count Items Matching a RuleVideo
Solution85.3%Easy
Array, String· 2 companies
1777. Product's Price for Each StoreVideoPremium
Solution82.3%Easy
Database· 2 companies
1779. Find Nearest Point That Has the Same X or Y CoordinateVideo
Solution69.9%Easy
Array· 3 companies
1784. Check if Binary String Has at Most One Segment of OnesVideo
Solution49.0%Easy
String· 3 companies
Showing 401–450 of 970