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Problems

691 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

691 results

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TitleSolutionAcceptDifficultyTopics
1513. Number of Substrings With Only 1sVideo
Solution57.4%Medium
Math, String· 3 companies
1515. Best Position for a Service CentreVideo
Solution35.8%Hard
Array, Geometry +2· 1 company
1518. Water BottlesVideo
Solution72.6%Easy
Math, Simulation· 9 companies
1523. Count Odd Numbers in an Interval RangeVideo
Solution54.4%Easy
Math· 5 companies
1524. Number of Sub-arrays With Odd SumVideo
Solution55.7%Medium
Array, Dynamic Programming +2· 6 companies
1538. Guess the Majority in a Hidden ArrayVideoPremium
Solution68.8%Medium
Array, Interactive +1· 1 company
1551. Minimum Operations to Make Array EqualVideo
Solution82.8%Medium
Math· 2 companies
1561. Maximum Number of Coins You Can GetVideo
Solution84.9%Medium
Array, Game Theory +3· 1 company
1563. Stone Game VVideo
Solution58.8%Hard
Array, Dynamic Programming +2· 1 company
1569. Number of Ways to Reorder Array to Get Same BSTVideo
Solution65.8%Hard
Array, Binary Search Tree +8· 2 companies
1573. Number of Ways to Split a StringVideo
Solution34.6%Medium
Math, String· 1 company
1577. Number of Ways Where Square of Number Is Equal to Product of Two NumbersVideo
Solution43.9%Medium
Array, Hash Table +2
1588. Sum of All Odd Length SubarraysVideo
Solution84.0%Easy
Array, Math +1· 3 companies
1610. Maximum Number of Visible PointsVideo
Solution38.1%Hard
Array, Geometry +3· 6 companies
1621. Number of Sets of K Non-Overlapping Line SegmentsVideo
Solution69.3%Medium
Combinatorics, Dynamic Programming +1· 1 company
1622. Fancy SequenceVideo
Solution41.3%Hard
Design, Math +1· 3 companies
1627. Graph Connectivity With ThresholdVideo
Solution49.9%Hard
Array, Math +2· 1 company
1628. Design an Expression Tree With Evaluate FunctionVideoPremium
Solution82.4%Medium
Array, Binary Tree +4· 1 company
1634. Add Two Polynomials Represented as Linked ListsVideoPremium
Solution61.1%Medium
Linked List, Math +1· 1 company
1641. Count Sorted Vowel StringsVideo
Solution79.2%Medium
Combinatorics, Dynamic Programming +1· 1 company
1643. Kth Smallest InstructionsVideo
Solution44.7%Hard
Array, Combinatorics +2· 1 company
1648. Sell Diminishing-Valued Colored BallsVideo
Solution30.5%Medium
Array, Binary Search +4· 5 companies
1680. Concatenation of Consecutive Binary NumbersVideo
Solution66.6%Medium
Bit Manipulation, Math +1· 3 companies
1685. Sum of Absolute Differences in a Sorted ArrayVideo
Solution68.2%Medium
Array, Math +1· 4 companies
1686. Stone Game VIVideo
Solution62.0%Medium
Array, Game Theory +4
1688. Count of Matches in TournamentVideo
Solution86.4%Easy
Math, Simulation· 4 companies
1690. Stone Game VIIVideo
Solution59.4%Medium
Array, Dynamic Programming +2· 2 companies
1716. Calculate Money in Leetcode BankVideo
Solution82.4%Easy
Math· 4 companies
1728. Cat and Mouse IIVideo
Solution40.4%Hard
Array, Dynamic Programming +6· 1 company
1735. Count Ways to Make Array With ProductVideo
Solution55.8%Hard
Array, Combinatorics +3· 1 company
1739. Building BoxesVideo
Solution52.5%Hard
Binary Search, Greedy +1
1742. Maximum Number of Balls in a BoxVideo
Solution74.8%Easy
Counting, Hash Table +1· 3 companies
1753. Maximum Score From Removing StonesVideo
Solution68.6%Medium
Greedy, Heap (Priority Queue) +1· 1 company
1759. Count Number of Homogenous SubstringsVideo
Solution57.6%Medium
Math, String· 2 companies
1766. Tree of CoprimesVideo
Solution45.1%Hard
Array, Depth-First Search +3· 1 company
1776. Car Fleet IIVideo
Solution58.4%Hard
Array, Heap (Priority Queue) +3· 3 companies
1780. Check if Number is a Sum of Powers of ThreeVideo
Solution79.4%Medium
Math· 4 companies
1799. Maximize Score After N OperationsVideo
Solution57.8%Hard
Array, Backtracking +5· 2 companies
1806. Minimum Number of Operations to Reinitialize a PermutationVideo
Solution72.9%Medium
Array, Math +1· 1 company
1808. Maximize Number of Nice DivisorsVideo
Solution37.3%Hard
Math, Number Theory +1· 1 company
1812. Determine Color of a Chessboard SquareVideo
Solution79.8%Easy
Math, String· 1 company
1814. Count Nice Pairs in an ArrayVideo
Solution48.6%Medium
Array, Counting +2· 6 companies
1819. Number of Different Subsequences GCDsVideo
Solution47.2%Hard
Array, Counting +2· 2 companies
1822. Sign of the Product of an ArrayVideo
Solution64.8%Easy
Array, Math· 3 companies
1823. Find the Winner of the Circular GameVideo
Solution82.4%Medium
Array, Math +3· 12 companies
1828. Queries on Number of Points Inside a CircleVideo
Solution86.9%Medium
Array, Geometry +1· 2 companies
1830. Minimum Number of Operations to Make String SortedVideo
Solution50.4%Hard
Combinatorics, Math +1· 1 company
1835. Find XOR Sum of All Pairs Bitwise ANDVideo
Solution62.6%Hard
Array, Bit Manipulation +1· 1 company
1837. Sum of Digits in Base KVideo
Solution79.2%Easy
Math· 1 company
1840. Maximum Building HeightVideo
Solution67.1%Hard
Array, Math +1· 6 companies
Showing 251–300 of 691