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Problems

249 problems

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

Easy · 249 results

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TitleSolutionAcceptDifficultyTopics
1662. Check If Two String Arrays are EquivalentVideo
Solution86.2%Easy
Array, String· 3 companies
1668. Maximum Repeating SubstringVideo
Solution42.5%Easy
Dynamic Programming, String +1· 6 companies
1678. Goal Parser InterpretationVideo
Solution88.0%Easy
String· 1 company
1684. Count the Number of Consistent StringsVideo
Solution88.1%Easy
Array, Bit Manipulation +3· 3 companies
1694. Reformat Phone NumberVideo
Solution67.7%Easy
String· 1 company
1704. Determine if String Halves Are AlikeVideo
Solution78.6%Easy
Counting, String· 1 company
1736. Latest Time by Replacing Hidden DigitsVideo
Solution43.7%Easy
Greedy, String· 1 company
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
1784. Check if Binary String Has at Most One Segment of OnesVideo
Solution49.0%Easy
String· 3 companies
1790. Check if One String Swap Can Make Strings EqualVideo
Solution49.5%Easy
Counting, Hash Table +1· 5 companies
1796. Second Largest Digit in a StringVideo
Solution55.2%Easy
Hash Table, String· 4 companies
1805. Number of Different Integers in a StringVideo
Solution40.2%Easy
Hash Table, String
1812. Determine Color of a Chessboard SquareVideo
Solution79.8%Easy
Math, String· 1 company
1816. Truncate SentenceVideo
Solution86.7%Easy
Array, String· 1 company
1832. Check if the Sentence Is PangramVideo
Solution84.2%Easy
Hash Table, String· 6 companies
1844. Replace All Digits with CharactersVideo
Solution82.7%Easy
String· 1 company
1859. Sorting the SentenceVideo
Solution84.1%Easy
Sorting, String· 3 companies
1869. Longer Contiguous Segments of Ones than ZerosVideo
Solution62.4%Easy
String
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
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
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
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
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
1967. Number of Strings That Appear as Substrings in WordVideo
Solution86.1%Easy
Array, String· 6 companies
1974. Minimum Time to Type Word Using Special TypewriterVideo
Solution79.1%Easy
Greedy, String· 3 companies
2000. Reverse Prefix of WordVideo
Solution86.3%Easy
Stack, String +1· 5 companies
2011. Final Value of Variable After Performing OperationsVideo
Solution90.6%Easy
Array, Simulation +1· 5 companies
2027. Minimum Moves to Convert StringVideo
Solution58.4%Easy
Greedy, String· 3 companies
2042. Check if Numbers Are Ascending in a SentenceVideo
Solution73.6%Easy
String
2047. Number of Valid Words in a SentenceVideo
Solution31.6%Easy
String· 3 companies
2053. Kth Distinct String in an ArrayVideo
Solution82.1%Easy
Array, Counting +2· 2 companies
2062. Count Vowel Substrings of a StringVideo
Solution73.6%Easy
Hash Table, String· 12 companies
2068. Check Whether Two Strings are Almost EquivalentVideo
Solution64.5%Easy
Counting, Hash Table +1· 1 company
2085. Count Common Words With One OccurrenceVideo
Solution73.9%Easy
Array, Counting +2· 1 company
2103. Rings and RodsVideo
Solution81.5%Easy
Hash Table, String· 1 company
2108. Find First Palindromic String in the ArrayVideo
Solution83.9%Easy
Array, String +1
2114. Maximum Number of Words Found in SentencesVideo
Solution86.6%Easy
Array, String· 4 companies
2124. Check if All A's Appears Before All B'sVideo
Solution73.2%Easy
String· 2 companies
2129. Capitalize the TitleVideo
Solution68.5%Easy
String
2138. Divide a String Into Groups of Size kVideo
Solution77.1%Easy
Simulation, String· 3 companies
2185. Counting Words With a Given PrefixVideo
Solution84.5%Easy
Array, String +1· 4 companies
2194. Cells in a Range on an Excel SheetVideo
Solution83.9%Easy
String
Showing 101–150 of 249