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Problems

2,133 problems

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Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 2,133 results

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TitleSolutionAcceptDifficultyTopics
1561. Maximum Number of Coins You Can GetVideo
Solution84.9%Medium
Array, Game Theory +3· 1 company
1562. Find Latest Group of Size MVideo
Solution43.8%Medium
Array, Binary Search +2· 1 company
1564. Put Boxes Into the Warehouse IVideoPremium
Solution67.9%Medium
Array, Greedy +1· 3 companies
1567. Maximum Length of Subarray With Positive ProductVideo
Solution44.9%Medium
Array, Dynamic Programming +1· 2 companies
1570. Dot Product of Two Sparse VectorsVideoPremium
Solution89.9%Medium
Array, Design +2· 12 companies
1573. Number of Ways to Split a StringVideo
Solution34.6%Medium
Math, String· 1 company
1574. Shortest Subarray to be Removed to Make Array SortedVideo
Solution51.2%Medium
Array, Binary Search +3· 9 companies
1577. Number of Ways Where Square of Number Is Equal to Product of Two NumbersVideo
Solution43.9%Medium
Array, Hash Table +2
1578. Minimum Time to Make Rope ColorfulVideo
Solution65.2%Medium
Array, Dynamic Programming +2· 3 companies
1580. Put Boxes Into the Warehouse IIVideoPremium
Solution66.6%Medium
Array, Greedy +1· 2 companies
1583. Count Unhappy FriendsVideo
Solution62.6%Medium
Array, Simulation· 2 companies
1584. Min Cost to Connect All PointsVideo
Solution71.7%Medium
Array, Graph +2· 10 companies
1586. Binary Search Tree Iterator IIVideoPremium
Solution63.4%Medium
Binary Search Tree, Binary Tree +4· 1 company
1589. Maximum Sum Obtained of Any PermutationVideo
Solution41.7%Medium
Array, Greedy +2· 2 companies
1590. Make Sum Divisible by PVideo
Solution42.6%Medium
Array, Hash Table +1· 7 companies
1593. Split a String Into the Max Number of Unique SubstringsVideo
Solution68.8%Medium
Backtracking, Hash Table +1· 5 companies
1594. Maximum Non Negative Product in a MatrixVideo
Solution51.5%Medium
Array, Dynamic Programming +1· 4 companies
1596. The Most Frequently Ordered Products for Each CustomerVideoPremium
Solution77.7%Medium
Database· 1 company
1599. Maximum Profit of Operating a Centennial WheelVideo
Solution44.6%Medium
Array, Simulation· 1 company
1600. Throne InheritanceVideo
Solution68.2%Medium
Depth-First Search, Design +2· 2 companies
1602. Find Nearest Right Node in Binary TreeVideoPremium
Solution75.2%Medium
Binary Tree, Breadth-First Search +1· 1 company
1604. Alert Using Same Key-Card Three or More Times in a One Hour PeriodVideo
Solution46.0%Medium
Array, Hash Table +2· 5 companies
1605. Find Valid Matrix Given Row and Column SumsVideo
Solution83.0%Medium
Array, Greedy +1· 2 companies
1609. Even Odd TreeVideo
Solution67.1%Medium
Binary Tree, Breadth-First Search +1· 3 companies
1612. Check If Two Expression Trees are EquivalentVideoPremium
Solution71.8%Medium
Binary Tree, Counting +3· 1 company
1613. Find the Missing IDsVideoPremium
Solution73.0%Medium
Database· 1 company
1615. Maximal Network RankVideo
Solution65.9%Medium
Graph· 1 company
1616. Split Two Strings to Make PalindromeVideo
Solution32.8%Medium
String, Two Pointers· 1 company
1618. Maximum Font to Fit a Sentence in a ScreenVideoPremium
Solution62.0%Medium
Array, Binary Search +2· 1 company
1620. Coordinate With Maximum Network QualityVideo
Solution40.6%Medium
Array, Enumeration· 2 companies
1621. Number of Sets of K Non-Overlapping Line SegmentsVideo
Solution69.3%Medium
Combinatorics, Dynamic Programming +1· 1 company
1625. Lexicographically Smallest String After Applying OperationsVideo
Solution79.4%Medium
Breadth-First Search, Depth-First Search +2· 2 companies
1626. Best Team With No ConflictsVideo
Solution50.9%Medium
Array, Dynamic Programming +1· 2 companies
1628. Design an Expression Tree With Evaluate FunctionVideoPremium
Solution82.4%Medium
Array, Binary Tree +4· 1 company
1630. Arithmetic SubarraysVideo
Solution83.7%Medium
Array, Hash Table +1· 1 company
1631. Path With Minimum EffortVideo
Solution64.1%Medium
Array, Binary Search +5· 9 companies
1634. Add Two Polynomials Represented as Linked ListsVideoPremium
Solution61.1%Medium
Linked List, Math +1· 1 company
1638. Count Substrings That Differ by One CharacterVideo
Solution72.4%Medium
Dynamic Programming, Enumeration +2· 1 company
1641. Count Sorted Vowel StringsVideo
Solution79.2%Medium
Combinatorics, Dynamic Programming +1· 1 company
1642. Furthest Building You Can ReachVideo
Solution50.8%Medium
Array, Greedy +1· 15 companies
1644. Lowest Common Ancestor of a Binary Tree IIVideoPremium
Solution69.6%Medium
Binary Tree, Depth-First Search +1· 4 companies
1647. Minimum Deletions to Make Character Frequencies UniqueVideo
Solution61.3%Medium
Greedy, Hash Table +2· 7 companies
1648. Sell Diminishing-Valued Colored BallsVideo
Solution30.5%Medium
Array, Binary Search +4· 5 companies
1650. Lowest Common Ancestor of a Binary Tree IIIVideoPremium
Solution83.0%Medium
Binary Tree, Hash Table +2· 10 companies
1653. Minimum Deletions to Make String BalancedVideo
Solution68.2%Medium
Dynamic Programming, Stack +1· 7 companies
1654. Minimum Jumps to Reach HomeVideo
Solution30.7%Medium
Array, Breadth-First Search +1· 3 companies
1657. Determine if Two Strings Are CloseVideo
Solution54.2%Medium
Counting, Hash Table +2· 7 companies
1658. Minimum Operations to Reduce X to ZeroVideo
Solution45.0%Medium
Array, Binary Search +3· 4 companies
1660. Correct a Binary TreeVideoPremium
Solution74.3%Medium
Binary Tree, Breadth-First Search +3· 1 company
1663. Smallest String With A Given Numeric ValueVideo
Solution67.5%Medium
Greedy, String· 1 company
Showing 851–900 of 2,133