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Problems

975 problems

Has videoPremium onlyReset
Array447String249Hash Table190Math173Database113Sorting100Simulation93Counting70Two Pointers70Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · 975 results

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TitleSolutionAcceptDifficultyTopics
1784. Check if Binary String Has at Most One Segment of OnesVideo
Solution49.0%Easy
String· 3 companies
1789. Primary Department for Each EmployeeVideo
Solution75.8%Easy
Database· 5 companies
1790. Check if One String Swap Can Make Strings EqualVideo
Solution49.5%Easy
Counting, Hash Table +1· 5 companies
1791. Find Center of Star GraphVideo
Solution86.6%Easy
Graph· 4 companies
1795. Rearrange Products TableVideo
Solution85.4%Easy
Database· 3 companies
1796. Second Largest Digit in a StringVideo
Solution55.2%Easy
Hash Table, String· 4 companies
1800. Maximum Ascending Subarray SumVideo
Solution66.3%Easy
Array· 6 companies
1805. Number of Different Integers in a StringVideo
Solution40.2%Easy
Hash Table, String
1809. Ad-Free SessionsVideoPremium
Solution58.6%Easy
Database· 1 company
1812. Determine Color of a Chessboard SquareVideo
Solution79.8%Easy
Math, String· 1 company
1816. Truncate SentenceVideo
Solution86.7%Easy
Array, String· 1 company
1821. Find Customers With Positive Revenue this YearVideoPremium
Solution87.7%Easy
Database· 1 company
1822. Sign of the Product of an ArrayVideo
Solution64.8%Easy
Array, Math· 3 companies
1826. Faulty SensorVideoPremium
Solution50.2%Easy
Array, Two Pointers· 1 company
1827. Minimum Operations to Make the Array IncreasingVideo
Solution82.5%Easy
Array, Greedy· 4 companies
1832. Check if the Sentence Is PangramVideo
Solution84.2%Easy
Hash Table, String· 6 companies
1837. Sum of Digits in Base KVideo
Solution79.2%Easy
Math· 1 company
1844. Replace All Digits with CharactersVideo
Solution82.7%Easy
String· 1 company
1848. Minimum Distance to the Target ElementVideo
Solution64.5%Easy
Array· 4 companies
1853. Convert Date FormatVideoPremium
Solution84.6%Easy
Database
1854. Maximum Population YearVideo
Solution64.4%Easy
Array, Counting +1· 7 companies
1859. Sorting the SentenceVideo
Solution84.1%Easy
Sorting, String· 3 companies
1863. Sum of All Subset XOR TotalsVideo
Solution90.1%Easy
Array, Backtracking +4· 5 companies
1869. Longer Contiguous Segments of Ones than ZerosVideo
Solution62.4%Easy
String
1873. Calculate Special BonusVideo
Solution57.5%Easy
Database· 1 company
1876. Substrings of Size Three with Distinct CharactersVideo
Solution77.3%Easy
Counting, Hash Table +2· 5 companies
1880. Check if Word Equals Summation of Two WordsVideo
Solution75.2%Easy
String
1886. Determine Whether Matrix Can Be Obtained By RotationVideo
Solution68.2%Easy
Array, Matrix· 4 companies
1890. The Latest Login in 2020Video
Solution77.4%Easy
Database· 1 company
1893. Check if All the Integers in a Range Are CoveredVideo
Solution51.4%Easy
Array, Hash Table +1· 3 companies
1897. Redistribute Characters to Make All Strings EqualVideo
Solution67.0%Easy
Counting, Hash Table +1· 1 company
1903. Largest Odd Number in StringVideo
Solution67.7%Easy
Greedy, Math +1· 6 companies
1909. Remove One Element to Make the Array Strictly IncreasingVideo
Solution30.8%Easy
Array· 2 companies
1913. Maximum Product Difference Between Two PairsVideo
Solution82.9%Easy
Array, Sorting
1920. Build Array from PermutationVideo
Solution91.1%Easy
Array, Simulation· 5 companies
1925. Count Square Sum TriplesVideo
Solution77.2%Easy
Enumeration, Math· 5 companies
1929. Concatenation of ArrayVideo
Solution90.2%Easy
Array, Simulation· 7 companies
1933. Check if String Is Decomposable Into Value-Equal SubstringsVideoPremium
Solution50.4%Easy
String
1935. Maximum Number of Words You Can TypeVideo
Solution82.9%Easy
Hash Table, String· 4 companies
1939. Users That Actively Request Confirmation MessagesVideoPremium
Solution56.4%Easy
Database
1941. Check if All Characters Have Equal Number of OccurrencesVideo
Solution79.4%Easy
Counting, Hash Table +1· 4 companies
1945. Sum of Digits of String After ConvertVideo
Solution74.9%Easy
Simulation, String· 5 companies
1952. Three DivisorsVideo
Solution65.2%Easy
Enumeration, Math +1· 3 companies
1957. Delete Characters to Make Fancy StringVideo
Solution74.1%Easy
String· 6 companies
1961. Check If String Is a Prefix of ArrayVideo
Solution52.7%Easy
Array, String +1· 1 company
1965. Employees With Missing InformationVideo
Solution73.7%Easy
Database
1967. Number of Strings That Appear as Substrings in WordVideo
Solution86.1%Easy
Array, String· 6 companies
1971. Find if Path Exists in GraphVideo
Solution55.5%Easy
Breadth-First Search, Depth-First Search +2· 5 companies
1974. Minimum Time to Type Word Using Special TypewriterVideo
Solution79.1%Easy
Greedy, String· 3 companies
1978. Employees Whose Manager Left the CompanyVideo
Solution48.9%Easy
Database· 4 companies
Showing 451–500 of 975