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Problems

877 problems

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

877 results

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TitleSolutionAcceptDifficultyTopics
3406. Find the Lexicographically Largest String From the Box IIVideoPremium
Solution48.9%Hard
String, Two Pointers
3407. Substring Matching PatternVideo
Solution29.1%Easy
String, String Matching· 1 company
3412. Find Mirror Score of a StringVideo
Solution36.1%Medium
Hash Table, Simulation +2· 3 companies
3435. Frequencies of Shortest SupersequencesVideo
–22.2%Hard
Array, Bit Manipulation +4· 1 company
3438. Find Valid Pair of Adjacent Digits in StringVideo
Solution60.7%Easy
Counting, Hash Table +1· 3 companies
3441. Minimum Cost Good CaptionVideo
–20.5%Hard
Dynamic Programming, String· 2 companies
3442. Maximum Difference Between Even and Odd Frequency IVideo
Solution60.7%Easy
Counting, Hash Table +1· 4 companies
3443. Maximum Manhattan Distance After K ChangesVideo
Solution54.2%Medium
Counting, Hash Table +2· 4 companies
3445. Maximum Difference Between Even and Odd Frequency IIVideo
Solution48.7%Hard
Enumeration, Prefix Sum +2· 6 companies
3448. Count Substrings Divisible By Last DigitVideo
–23.7%Hard
Dynamic Programming, String· 1 company
3455. Shortest Matching SubstringVideo
Solution24.5%Hard
Binary Search, String +2· 1 company
3456. Find Special Substring of Length KVideo
Solution35.1%Easy
String· 1 company
3458. Select K Disjoint Special SubstringsVideo
–19.2%Medium
Dynamic Programming, Greedy +3· 1 company
3460. Longest Common Prefix After at Most One RemovalPremium
Solution68.3%Medium
String, Two Pointers
3461. Check If Digits Are Equal in String After Operations IVideo
Solution82.5%Easy
Combinatorics, Math +3· 4 companies
3463. Check If Digits Are Equal in String After Operations IIVideo
–14.3%Hard
Combinatorics, Math +2· 2 companies
3472. Longest Palindromic Subsequence After at Most K OperationsVideo
Solution38.0%Medium
Dynamic Programming, String· 1 company
3474. Lexicographically Smallest Generated StringVideo
Solution53.3%Hard
Greedy, String +1· 5 companies
3481. Apply SubstitutionsVideoPremium
Solution78.0%Medium
Array, Breadth-First Search +5· 1 company
3484. Design SpreadsheetVideo
Solution73.5%Medium
Array, Design +3· 7 companies
3485. Longest Common Prefix of K Strings After RemovalVideo
Solution24.3%Hard
Array, String +1
3491. Phone Number PrefixVideoPremium
Solution69.9%Easy
Array, Sorting +2
3498. Reverse Degree of a StringVideo
Solution91.9%Easy
Simulation, String· 2 companies
3499. Maximize Active Section with Trade IVideo
Solution60.9%Medium
Enumeration, String· 1 company
3501. Maximize Active Section with Trade IIVideo
Solution64.7%Hard
Array, Binary Search +2
3503. Longest Palindrome After Substring Concatenation IVideo
Solution43.8%Medium
Dynamic Programming, Enumeration +2· 2 companies
3504. Longest Palindrome After Substring Concatenation IIVideo
Solution18.4%Hard
Dynamic Programming, String +1· 1 company
3517. Smallest Palindromic Rearrangement IVideo
Solution74.5%Medium
Counting Sort, Sorting +1· 3 companies
3518. Smallest Palindromic Rearrangement IIVideo
Solution44.3%Hard
Combinatorics, Counting +3
3519. Count Numbers with Non-Decreasing Digits Video
–37.3%Hard
Dynamic Programming, Math +1
3522. Calculate Score After Performing InstructionsVideo
Solution57.0%Medium
Array, Hash Table +2· 1 company
3527. Find the Most Common ResponseVideo
Solution74.0%Medium
Array, Counting +2· 1 company
3529. Count Cells in Overlapping Horizontal and Vertical SubstringsVideo
–27.7%Medium
Array, Hash Function +4· 1 company
3541. Find Most Frequent Vowel and ConsonantVideo
Solution89.4%Easy
Counting, Hash Table +1· 3 companies
3545. Minimum Deletions for At Most K Distinct CharactersVideo
Solution72.2%Easy
Counting, Greedy +3· 2 companies
3556. Sum of Largest Prime SubstringsVideo
Solution37.9%Medium
Hash Table, Math +3· 1 company
3557. Find Maximum Number of Non Intersecting SubstringsVideo
–31.1%Medium
Dynamic Programming, Greedy +2· 1 company
3561. Resulting String After Adjacent RemovalsVideo
Solution56.5%Medium
Simulation, Stack +1· 1 company
3563. Lexicographically Smallest String After Adjacent RemovalsVideo
–17.9%Hard
Dynamic Programming, String
3571. Find the Shortest Superstring IIVideoPremium
Solution48.8%Easy
String
3579. Minimum Steps to Convert String with OperationsVideo
Solution42.5%Hard
Dynamic Programming, String
3581. Count Odd Letters from NumberVideoPremium
Solution85.1%Easy
Counting, Hash Table +2
3582. Generate Tag for Video CaptionVideo
Solution32.4%Easy
Simulation, String· 1 company
3597. Partition String Video
Solution59.4%Medium
Hash Table, Simulation +2· 1 company
3598. Longest Common Prefix Between Adjacent Strings After RemovalsVideo
Solution32.4%Medium
Array, String· 1 company
3602. Hexadecimal and Hexatrigesimal ConversionVideo
Solution79.4%Easy
Math, String· 1 company
3606. Coupon Code ValidatorVideo
Solution64.4%Easy
Array, Hash Table +2· 2 companies
3612. Process String with Special Operations IVideo
Solution71.4%Medium
Simulation, String· 4 companies
3614. Process String with Special Operations IIVideo
Solution39.9%Hard
Simulation, String· 3 companies
3615. Longest Palindromic Path in GraphVideo
–22.6%Hard
Bit Manipulation, Bitmask +3· 1 company
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