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Problems

78 problems

Has videoPremium onlyReset
Array301Database212Hash Table116String116Depth-First Search78Math78Dynamic Programming76Sorting64Tree63Breadth-First Search53Greedy52Binary Search50Binary Tree48Two Pointers40Matrix39All topics

Premium · 78 results

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TitleSolutionAcceptDifficultyTopics
2505. Bitwise OR of All Subsequence SumsVideoPremium
Solution63.4%Medium
Array, Bit Manipulation +2· 1 company
2524. Maximum Frequency Score of a SubarrayVideoPremium
Solution35.7%Hard
Array, Hash Table +3· 1 company
2539. Count the Number of Good SubsequencesVideoPremium
Solution47.7%Medium
Combinatorics, Counting +3· 4 companies
2613. Beautiful PairsVideoPremium
Solution46.9%Hard
Array, Divide and Conquer +4
2638. Count the Number of K-Free SubsetsVideoPremium
Solution47.4%Medium
Array, Combinatorics +3· 1 company
2647. Color the Triangle RedVideoPremium
Solution58.0%Hard
Array, Math
2802. Find The K-th Lucky NumberVideoPremium
Solution76.1%Medium
Bit Manipulation, Math +1
2847. Smallest Number With Given Digit ProductVideoPremium
Solution43.8%Medium
Greedy, Math· 1 company
2868. The Wording GamePremium
Solution53.6%Hard
Array, Game Theory +4
2912. Number of Ways to Reach Destination in the GridPremium
Solution57.7%Hard
Combinatorics, Dynamic Programming +1· 1 company
2927. Distribute Candies Among Children IIIVideoPremium
Solution57.3%Hard
Combinatorics, Math· 2 companies
2941. Maximum GCD-Sum of a SubarrayVideoPremium
Solution39.9%Hard
Array, Binary Search +2· 1 company
2979. Most Expensive Item That Can Not Be BoughtVideoPremium
Solution80.2%Medium
Dynamic Programming, Math +1· 1 company
3009. Maximum Number of Intersections on the ChartVideoPremium
Solution45.5%Hard
Array, Binary Indexed Tree +2· 1 company
3032. Count Numbers With Unique Digits IIVideoPremium
Solution87.4%Easy
Dynamic Programming, Hash Table +1· 1 company
3155. Maximum Number of Upgradable ServersVideoPremium
Solution43.8%Medium
Array, Binary Search +1· 1 company
3247. Number of Subsequences with Odd SumVideoPremium
Solution47.6%Medium
Array, Combinatorics +2
3416. Subsequences with a Unique Middle Mode IIPremium
–16.3%Hard
Array, Combinatorics +2
3422. Minimum Operations to Make Subarray Elements EqualPremium
Solution46.8%Medium
Array, Hash Table +3
3506. Find Time Required to Eliminate Bacterial StrainsPremium
Solution63.2%Hard
Array, Greedy +2
3535. Unit Conversion IIVideoPremium
Solution61.5%Medium
Array, Breadth-First Search +3· 1 company
3549. Multiply Two PolynomialsVideoPremium
Solution59.2%Hard
Array, Math
3596. Minimum Cost Path with Alternating Directions IVideoPremium
Solution68.6%Medium
Brainteaser, Math
3610. Minimum Number of Primes to Sum to TargetVideoPremium
Solution59.8%Medium
Array, Dynamic Programming +2· 1 company
3667. Sort Array By Absolute ValueVideoPremium
Solution86.7%Easy
Array, Math +2· 1 company
3749. Evaluate Valid ExpressionsPremium
Solution69.2%Hard
Divide and Conquer, Hash Table +3
3792. Sum of Increasing Product BlocksPremium
Solution69.0%Medium
Math, Simulation
3817. Good Indices in a Digit StringVideoPremium
Solution85.3%Medium
Math, String
Showing 51–78 of 78