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Problems

870 problems

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Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 870 results

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TitleSolutionAcceptDifficultyTopics
1433. Check If a String Can Break Another StringVideo
Solution70.9%Medium
Greedy, Sorting +1
1436. Destination CityVideo
Solution79.5%Easy
Array, Hash Table +1· 4 companies
1446. Consecutive CharactersVideo
Solution60.1%Easy
String· 4 companies
1447. Simplified FractionsVideo
Solution70.3%Medium
Math, Number Theory +1· 1 company
1451. Rearrange Words in a SentenceVideo
Solution67.5%Medium
Sorting, String· 2 companies
1452. People Whose List of Favorite Companies Is Not a Subset of Another ListVideo
Solution60.6%Medium
Array, Hash Table +1· 2 companies
1455. Check If a Word Occurs As a Prefix of Any Word in a SentenceVideo
Solution68.8%Easy
String, String Matching +1· 4 companies
1456. Maximum Number of Vowels in a Substring of Given LengthVideo
Solution63.0%Medium
Sliding Window, String· 6 companies
1461. Check If a String Contains All Binary Codes of Size KVideo
Solution61.5%Medium
Bit Manipulation, Hash Function +3· 5 companies
1487. Making File Names UniqueVideo
Solution38.5%Medium
Array, Hash Table +1· 1 company
1496. Path CrossingVideo
Solution62.5%Easy
Hash Table, String· 3 companies
1505. Minimum Possible Integer After at Most K Adjacent Swaps On DigitsVideo
Solution41.8%Hard
Binary Indexed Tree, Greedy +2· 1 company
1507. Reformat DateVideo
Solution69.0%Easy
String· 4 companies
1513. Number of Substrings With Only 1sVideo
Solution57.4%Medium
Math, String· 3 companies
1520. Maximum Number of Non-Overlapping SubstringsVideo
Solution65.0%Hard
Greedy, String· 1 company
1525. Number of Good Ways to Split a StringVideo
Solution68.2%Medium
Bit Manipulation, Dynamic Programming +2· 2 companies
1528. Shuffle StringVideo
Solution85.5%Easy
Array, String· 2 companies
1529. Minimum Suffix FlipsVideo
Solution73.9%Medium
Greedy, String· 5 companies
1531. String Compression IIVideo
Solution52.2%Hard
Dynamic Programming, String· 5 companies
1540. Can Convert String in K MovesVideo
Solution37.6%Medium
Hash Table, String· 1 company
1541. Minimum Insertions to Balance a Parentheses StringVideo
Solution61.8%Medium
Greedy, Stack +1· 3 companies
1542. Find Longest Awesome SubstringVideo
Solution47.4%Hard
Bit Manipulation, Hash Table +1· 1 company
1544. Make The String GreatVideo
Solution68.8%Easy
Stack, String· 4 companies
1545. Find Kth Bit in Nth Binary StringVideo
Solution73.7%Medium
Recursion, Simulation +1· 5 companies
1554. Strings Differ by One CharacterVideoPremium
Solution39.4%Medium
Hash Function, Hash Table +2· 1 company
1556. Thousand SeparatorVideo
Solution53.7%Easy
String
1573. Number of Ways to Split a StringVideo
Solution34.6%Medium
Math, String· 1 company
1576. Replace All ?'s to Avoid Consecutive Repeating CharactersVideo
Solution45.7%Easy
String· 1 company
1578. Minimum Time to Make Rope ColorfulVideo
Solution65.2%Medium
Array, Dynamic Programming +2· 3 companies
1585. Check If String Is Transformable With Substring Sort OperationsVideo
Solution51.9%Hard
Greedy, Sorting +1· 1 company
1592. Rearrange Spaces Between WordsVideo
Solution43.9%Easy
String· 1 company
1593. Split a String Into the Max Number of Unique SubstringsVideo
Solution68.8%Medium
Backtracking, Hash Table +1· 5 companies
1597. Build Binary Expression Tree From Infix ExpressionVideoPremium
–62.5%Hard
Binary Tree, Stack +2· 1 company
1598. Crawler Log FolderVideo
Solution71.7%Easy
Array, Stack +1· 2 companies
1604. Alert Using Same Key-Card Three or More Times in a One Hour PeriodVideo
Solution46.0%Medium
Array, Hash Table +2· 5 companies
1614. Maximum Nesting Depth of the ParenthesesVideo
Solution86.1%Easy
Stack, String· 7 companies
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
1624. Largest Substring Between Two Equal CharactersVideo
Solution68.5%Easy
Hash Table, String· 1 company
1625. Lexicographically Smallest String After Applying OperationsVideo
Solution79.4%Medium
Breadth-First Search, Depth-First Search +2· 2 companies
1629. Slowest KeyVideo
Solution59.7%Easy
Array, String· 1 company
1638. Count Substrings That Differ by One CharacterVideo
Solution72.4%Medium
Dynamic Programming, Enumeration +2· 1 company
1639. Number of Ways to Form a Target String Given a DictionaryVideo
Solution56.6%Hard
Array, Dynamic Programming +1· 9 companies
1647. Minimum Deletions to Make Character Frequencies UniqueVideo
Solution61.3%Medium
Greedy, Hash Table +2· 7 companies
1653. Minimum Deletions to Make String BalancedVideo
Solution68.2%Medium
Dynamic Programming, Stack +1· 7 companies
1657. Determine if Two Strings Are CloseVideo
Solution54.2%Medium
Counting, Hash Table +2· 7 companies
1662. Check If Two String Arrays are EquivalentVideo
Solution86.2%Easy
Array, String· 3 companies
1663. Smallest String With A Given Numeric ValueVideo
Solution67.5%Medium
Greedy, String· 1 company
1668. Maximum Repeating SubstringVideo
Solution42.5%Easy
Dynamic Programming, String +1· 6 companies
1678. Goal Parser InterpretationVideo
Solution88.0%Easy
String· 1 company
Showing 351–400 of 870