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Problems

682 problems

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

With video · 682 results

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TitleSolutionAcceptDifficultyTopics
2842. Count K-Subsequences of a String With Maximum BeautyVideo
Solution30.2%Hard
Combinatorics, Greedy +3· 1 company
2843. Count Symmetric IntegersVideo
Solution82.5%Easy
Enumeration, Math· 5 companies
2844. Minimum Operations to Make a Special NumberVideo
Solution38.5%Medium
Enumeration, Greedy +2
2847. Smallest Number With Given Digit ProductVideoPremium
Solution43.8%Medium
Greedy, Math· 1 company
2849. Determine if a Cell Is Reachable at a Given TimeVideo
Solution37.2%Medium
Math· 2 companies
2851. String TransformationVideo
Solution27.4%Hard
Dynamic Programming, Math +2· 3 companies
2862. Maximum Element-Sum of a Complete Subset of IndicesVideo
Solution42.9%Hard
Array, Math +1· 1 company
2864. Maximum Odd Binary NumberVideo
Solution83.0%Easy
Greedy, Math +1· 3 companies
2867. Count Valid Paths in a TreeVideo
Solution36.2%Hard
Depth-First Search, Dynamic Programming +3· 1 company
2894. Divisible and Non-divisible Sums DifferenceVideo
Solution91.0%Easy
Math· 4 companies
2927. Distribute Candies Among Children IIIVideoPremium
Solution57.3%Hard
Combinatorics, Math· 2 companies
2928. Distribute Candies Among Children IVideo
Solution75.7%Easy
Combinatorics, Enumeration +1· 2 companies
2929. Distribute Candies Among Children IIVideo
Solution55.7%Medium
Combinatorics, Enumeration +1· 5 companies
2930. Number of Strings Which Can Be Rearranged to Contain SubstringVideo
Solution57.0%Medium
Combinatorics, Dynamic Programming +1· 1 company
2939. Maximum Xor ProductVideo
Solution30.3%Medium
Bit Manipulation, Greedy +1· 4 companies
2941. Maximum GCD-Sum of a SubarrayVideoPremium
Solution39.9%Hard
Array, Binary Search +2· 1 company
2946. Matrix Similarity After Cyclic ShiftsVideo
Solution74.3%Easy
Array, Math +2· 5 companies
2947. Count Beautiful Substrings IVideo
Solution60.9%Medium
Enumeration, Hash Table +4· 1 company
2949. Count Beautiful Substrings IIVideo
Solution27.5%Hard
Hash Table, Math +3· 1 company
2954. Count the Number of Infection SequencesVideo
Solution36.7%Hard
Array, Combinatorics +1· 6 companies
2961. Double Modular ExponentiationVideo
Solution47.9%Medium
Array, Math +1· 1 company
2963. Count the Number of Good PartitionsVideo
Solution49.3%Hard
Array, Combinatorics +2· 1 company
2965. Find Missing and Repeated ValuesVideo
Solution83.2%Easy
Array, Hash Table +2· 6 companies
2967. Minimum Cost to Make Array EqualindromicVideo
Solution23.4%Medium
Array, Binary Search +3· 1 company
2979. Most Expensive Item That Can Not Be BoughtVideoPremium
Solution80.2%Medium
Dynamic Programming, Math +1· 1 company
2999. Count the Number of Powerful IntegersVideo
Solution46.3%Hard
Dynamic Programming, Math +1· 5 companies
3009. Maximum Number of Intersections on the ChartVideoPremium
Solution45.5%Hard
Array, Binary Indexed Tree +2· 1 company
3012. Minimize Length of Array Using OperationsVideo
Solution35.7%Medium
Array, Greedy +2· 4 companies
3014. Minimum Number of Pushes to Type Word IVideo
Solution77.1%Easy
Greedy, Math +1· 4 companies
3021. Alice and Bob Playing Flower GameVideo
Solution60.2%Medium
Math· 5 companies
3024. Type of TriangleVideo
Solution44.1%Easy
Array, Math +1· 5 companies
3025. Find the Number of Ways to Place People IVideo
Solution64.0%Medium
Array, Enumeration +3· 4 companies
3027. Find the Number of Ways to Place People IIVideo
Solution64.4%Hard
Array, Enumeration +3· 3 companies
3032. Count Numbers With Unique Digits IIVideoPremium
Solution87.4%Easy
Dynamic Programming, Hash Table +1· 1 company
3044. Most Frequent PrimeVideo
Solution45.5%Medium
Array, Counting +5· 1 company
3047. Find the Largest Area of Square Inside Two RectanglesVideo
Solution66.9%Medium
Array, Geometry +1· 5 companies
3079. Find the Sum of Encrypted IntegersVideo
Solution74.7%Easy
Array, Math· 1 company
3084. Count Substrings Starting and Ending with Given CharacterVideo
Solution50.5%Medium
Counting, Math +1
3091. Apply Operations to Make Sum of Array Greater Than or Equal to kVideo
Solution44.2%Medium
Enumeration, Greedy +1· 2 companies
3099. Harshad NumberVideo
Solution83.4%Easy
Math· 1 company
3100. Water Bottles IIVideo
Solution78.2%Medium
Math, Simulation· 3 companies
3101. Count Alternating SubarraysVideo
Solution57.6%Medium
Array, Math· 1 company
3102. Minimize Manhattan DistancesVideo
Solution32.9%Hard
Array, Geometry +3
3115. Maximum Prime DifferenceVideo
Solution59.3%Medium
Array, Math +1· 1 company
3116. Kth Smallest Amount With Single Denomination CombinationVideo
Solution50.3%Hard
Array, Binary Search +4
3128. Right TrianglesVideo
Solution48.5%Medium
Array, Combinatorics +3· 2 companies
3153. Sum of Digit Differences of All PairsVideo
Solution43.3%Medium
Array, Counting +2· 2 companies
3154. Find Number of Ways to Reach the K-th StairVideo
Solution38.2%Hard
Bit Manipulation, Combinatorics +3· 1 company
3155. Maximum Number of Upgradable ServersVideoPremium
Solution43.8%Medium
Array, Binary Search +1· 1 company
3178. Find the Child Who Has the Ball After K SecondsVideo
Solution62.3%Easy
Math, Simulation· 1 company
Showing 451–500 of 682