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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
3167. Better Compression of StringVideoPremium
Solution75.3%Medium
Counting, Hash Table +2· 2 companies
3168. Minimum Number of Chairs in a Waiting RoomVideo
Solution79.3%Easy
Simulation, String· 3 companies
3170. Lexicographically Minimum String After Removing StarsVideo
Solution51.0%Medium
Greedy, Hash Table +3· 7 companies
3174. Clear DigitsVideo
Solution82.7%Easy
Simulation, Stack +1· 5 companies
3210. Find the Encrypted StringVideo
Solution67.9%Easy
String
3211. Generate Binary Strings Without Adjacent ZerosVideo
Solution88.3%Medium
Backtracking, Bit Manipulation +1· 4 companies
3213. Construct String with Minimum CostVideo
Solution19.0%Hard
Array, Dynamic Programming +2· 1 company
3216. Lexicographically Smallest String After a SwapVideo
Solution54.6%Easy
Greedy, String· 1 company
3223. Minimum Length of String After OperationsVideo
Solution75.0%Medium
Counting, Hash Table +1· 3 companies
3227. Vowels Game in a StringVideo
Solution77.1%Medium
Brainteaser, Game Theory +2· 3 companies
3228. Maximum Number of Operations to Move Ones to the EndVideo
Solution67.2%Medium
Counting, Greedy +1· 4 companies
3234. Count the Number of Substrings With Dominant OnesVideo
Solution42.1%Medium
Enumeration, Sliding Window +1· 5 companies
3248. Snake in MatrixVideo
Solution81.8%Easy
Array, Simulation +1· 1 company
3258. Count Substrings That Satisfy K-Constraint IVideo
Solution78.9%Easy
Sliding Window, String· 1 company
3260. Find the Largest Palindrome Divisible by KVideo
Solution17.0%Hard
Dynamic Programming, Greedy +3· 2 companies
3261. Count Substrings That Satisfy K-Constraint IIVideo
Solution24.1%Hard
Array, Binary Search +3
3271. Hash Divided StringVideo
Solution82.5%Medium
Simulation, String· 1 company
3274. Check if Two Chessboard Squares Have the Same ColorVideo
Solution72.3%Easy
Math, String· 3 companies
3279. Maximum Total Area Occupied by PistonsVideoPremium
Solution41.3%Hard
Array, Counting +4
3280. Convert Date to BinaryVideo
Solution88.8%Easy
Math, String· 1 company
3291. Minimum Number of Valid Strings to Form Target IVideo
Solution22.4%Medium
Array, Binary Search +7· 1 company
3292. Minimum Number of Valid Strings to Form Target IIVideo
Solution21.1%Hard
Array, Binary Search +6
3295. Report Spam MessageVideo
Solution48.6%Medium
Array, Hash Table +1· 2 companies
3297. Count Substrings That Can Be Rearranged to Contain a String IVideo
Solution42.9%Medium
Hash Table, Sliding Window +1· 1 company
3298. Count Substrings That Can Be Rearranged to Contain a String IIVideo
Solution55.2%Hard
Hash Table, Sliding Window +1
3302. Find the Lexicographically Smallest Valid SequenceVideo
Solution57.9%Medium
Dynamic Programming, Greedy +2
3303. Find the Occurrence of First Almost Equal SubstringVideo
Solution16.0%Hard
String, String Matching· 1 company
3305. Count of Substrings Containing Every Vowel and K Consonants IVideo
Solution41.8%Medium
Hash Table, Sliding Window +1
3306. Count of Substrings Containing Every Vowel and K Consonants IIVideo
Solution40.6%Medium
Hash Table, Sliding Window +1· 3 companies
3316. Find Maximum Removals From Source StringVideo
Solution39.3%Medium
Array, Dynamic Programming +3· 1 company
3320. Count The Number of Winning SequencesVideo
Solution32.4%Hard
Dynamic Programming, String· 1 company
3324. Find the Sequence of Strings Appeared on the ScreenVideo
Solution79.5%Medium
Simulation, String· 1 company
3325. Count Substrings With K-Frequency Characters IVideo
Solution56.3%Medium
Hash Table, Sliding Window +1· 1 company
3327. Check if DFS Strings Are PalindromesVideo
Solution20.9%Hard
Array, Depth-First Search +4· 1 company
3329. Count Substrings With K-Frequency Characters IIVideoPremium
Solution72.2%Hard
Hash Table, Sliding Window +1
3330. Find the Original Typed String IVideo
Solution72.1%Easy
String· 7 companies
3331. Find Subtree Sizes After ChangesVideo
Solution52.8%Medium
Array, Depth-First Search +3
3333. Find the Original Typed String IIVideo
Solution45.6%Hard
Dynamic Programming, Prefix Sum +1· 5 companies
3335. Total Characters in String After Transformations IVideo
Solution45.7%Medium
Counting, Dynamic Programming +3· 4 companies
3337. Total Characters in String After Transformations IIVideo
Solution58.0%Hard
Counting, Dynamic Programming +3· 2 companies
3340. Check Balanced StringVideo
Solution82.3%Easy
String· 1 company
3343. Count Number of Balanced PermutationsVideo
Solution49.1%Hard
Combinatorics, Dynamic Programming +2· 2 companies
3348. Smallest Divisible Digit Product IIVideo
Solution45.3%Hard
Backtracking, Greedy +3· 3 companies
3352. Count K-Reducible Numbers Less Than NVideo
Solution27.8%Hard
Combinatorics, Dynamic Programming +2· 1 company
3361. Shift Distance Between Two StringsVideo
Solution52.8%Medium
Array, Prefix Sum +1· 1 company
3365. Rearrange K Substrings to Form Target StringVideo
Solution56.7%Medium
Hash Table, Sorting +1
3387. Maximize Amount After Two Days of ConversionsVideo
Solution60.6%Medium
Array, Breadth-First Search +3· 3 companies
3389. Minimum Operations to Make Character Frequencies EqualVideo
–25.8%Hard
Counting, Dynamic Programming +3· 2 companies
3399. Smallest Substring With Identical Characters IIVideo
Solution39.0%Hard
Binary Search, String· 1 company
3403. Find the Lexicographically Largest String From the Box IVideo
Solution41.0%Medium
Enumeration, String +1· 5 companies
Showing 701–750 of 877