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Problems

190 problems

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

Easy · 190 results

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TitleSolutionAcceptDifficultyTopics
2215. Find the Difference of Two ArraysVideo
Solution81.4%Easy
Array, Hash Table· 7 companies
2229. Check if an Array Is ConsecutiveVideoPremium
Solution61.6%Easy
Array, Hash Table +1
2248. Intersection of Multiple ArraysVideo
Solution68.8%Easy
Array, Counting +2· 2 companies
2273. Find Resultant Array After Removing AnagramsVideo
Solution69.9%Easy
Array, Hash Table +2· 7 companies
2283. Check if Number Has Equal Digit Count and Digit ValueVideo
Solution73.1%Easy
Counting, Hash Table +1· 2 companies
2287. Rearrange Characters to Make Target StringVideo
Solution63.0%Easy
Counting, Hash Table +1· 1 company
2309. Greatest English Letter in Upper and Lower CaseVideo
Solution72.6%Easy
Enumeration, Hash Table +1· 1 company
2325. Decode the MessageVideo
Solution85.8%Easy
Hash Table, String· 4 companies
2341. Maximum Number of Pairs in ArrayVideo
Solution76.0%Easy
Array, Counting +1· 1 company
2347. Best Poker HandVideo
Solution61.7%Easy
Array, Counting +1· 2 companies
2351. First Letter to Appear TwiceVideo
Solution74.9%Easy
Bit Manipulation, Counting +2· 2 companies
2357. Make Array Zero by Subtracting Equal AmountsVideo
Solution73.8%Easy
Array, Greedy +4· 1 company
2363. Merge Similar ItemsVideo
Solution77.4%Easy
Array, Hash Table +2· 1 company
2367. Number of Arithmetic TripletsVideo
Solution85.4%Easy
Array, Enumeration +2· 2 companies
2395. Find Subarrays With Equal SumVideo
Solution67.5%Easy
Array, Hash Table· 3 companies
2399. Check Distances Between Same LettersVideo
Solution71.5%Easy
Array, Hash Table +1
2404. Most Frequent Even ElementVideo
Solution54.0%Easy
Array, Counting +1· 2 companies
2418. Sort the PeopleVideo
Solution84.9%Easy
Array, Hash Table +2· 6 companies
2423. Remove Letter To Equalize FrequencyVideo
Solution19.3%Easy
Counting, Hash Table +1· 4 companies
2441. Largest Positive Integer That Exists With Its NegativeVideo
Solution74.9%Easy
Array, Hash Table +2· 5 companies
2451. Odd String DifferenceVideo
Solution61.9%Easy
Array, Hash Table +1· 4 companies
2465. Number of Distinct AveragesVideo
Solution58.9%Easy
Array, Hash Table +2· 1 company
2475. Number of Unequal Triplets in ArrayVideo
Solution73.3%Easy
Array, Hash Table +1· 1 company
2506. Count Pairs Of Similar StringsVideo
Solution73.7%Easy
Array, Bit Manipulation +3· 4 companies
2540. Minimum Common ValueVideo
Solution60.9%Easy
Array, Binary Search +2· 3 companies
2549. Count Distinct Numbers on BoardVideo
Solution61.7%Easy
Array, Hash Table +2· 1 company
2570. Merge Two 2D Arrays by Summing ValuesVideo
Solution81.7%Easy
Array, Hash Table +1· 6 companies
2605. Form Smallest Number From Two Digit ArraysVideo
Solution55.1%Easy
Array, Enumeration +1· 1 company
2670. Find the Distinct Difference ArrayVideo
Solution77.1%Easy
Array, Hash Table· 1 company
2682. Find the Losers of the Circular GameVideo
Solution49.8%Easy
Array, Hash Table +1
2716. Minimize String LengthVideo
Solution80.2%Easy
Hash Table, String· 2 companies
2729. Check if The Number is FascinatingVideo
Solution53.0%Easy
Hash Table, Math
2744. Find Maximum Number of String PairsVideo
Solution82.4%Easy
Array, Hash Table +2
2748. Number of Beautiful PairsVideo
Solution52.9%Easy
Array, Counting +3
2784. Check if Array is GoodVideo
Solution57.3%Easy
Array, Hash Table +1· 3 companies
2815. Max Pair Sum in an ArrayVideo
Solution61.1%Easy
Array, Hash Table· 4 companies
2848. Points That Intersect With CarsVideo
Solution73.4%Easy
Array, Hash Table +1· 1 company
2869. Minimum Operations to Collect ElementsVideo
Solution62.2%Easy
Array, Bit Manipulation +1· 1 company
2913. Subarrays Distinct Element Sum of Squares IVideo
Solution87.8%Easy
Array, Hash Table· 1 company
2932. Maximum Strong Pair XOR IVideo
Solution76.0%Easy
Array, Bit Manipulation +3· 1 company
2956. Find Common Elements Between Two ArraysVideo
Solution84.5%Easy
Array, Hash Table· 5 companies
2965. Find Missing and Repeated ValuesVideo
Solution83.2%Easy
Array, Hash Table +2· 6 companies
2996. Smallest Missing Integer Greater Than Sequential Prefix SumVideo
Solution49.8%Easy
Array, Hash Table +1· 2 companies
3005. Count Elements With Maximum FrequencyVideo
Solution79.8%Easy
Array, Counting +1· 8 companies
3032. Count Numbers With Unique Digits IIVideoPremium
Solution87.4%Easy
Dynamic Programming, Hash Table +1· 1 company
3046. Split the ArrayVideo
Solution61.7%Easy
Array, Counting +1· 4 companies
3063. Linked List FrequencyVideoPremium
Solution85.8%Easy
Counting, Hash Table +1
3083. Existence of a Substring in a String and Its ReverseVideo
Solution66.6%Easy
Hash Table, String· 1 company
3090. Maximum Length Substring With Two OccurrencesVideo
Solution77.4%Easy
Hash Table, Sliding Window +1· 2 companies
3120. Count the Number of Special Characters IVideo
Solution77.2%Easy
Hash Table, String· 3 companies
Showing 101–150 of 190