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Problems

331 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 331 results

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TitleSolutionAcceptDifficultyTopics
1878. Get Biggest Three Rhombus Sums in a GridVideo
Solution71.4%Medium
Array, Heap (Priority Queue) +4· 4 companies
1884. Egg Drop With 2 Eggs and N FloorsVideo
Solution74.6%Medium
Dynamic Programming, Math· 2 companies
1904. The Number of Full Rounds You Have PlayedVideo
Solution43.9%Medium
Math, String· 1 company
1908. Game of NimVideoPremium
Solution62.4%Medium
Array, Bit Manipulation +4
1922. Count Good NumbersVideo
Solution58.1%Medium
Math, Recursion· 7 companies
1927. Sum GameVideo
Solution63.5%Medium
Game Theory, Greedy +2· 1 company
1954. Minimum Garden Perimeter to Collect Enough ApplesVideo
Solution55.5%Medium
Binary Search, Math· 1 company
1969. Minimum Non-Zero Product of the Array ElementsVideo
Solution37.5%Medium
Greedy, Math +1· 2 companies
1999. Smallest Greater Multiple Made of Two DigitsVideoPremium
Solution47.4%Medium
Enumeration, Math· 1 company
2001. Number of Pairs of Interchangeable RectanglesVideo
Solution53.1%Medium
Array, Counting +3· 2 companies
2028. Find Missing ObservationsVideo
Solution57.5%Medium
Array, Math +1· 5 companies
2029. Stone Game IXVideo
Solution57.6%Medium
Array, Counting +3· 1 company
2033. Minimum Operations to Make a Uni-Value GridVideo
Solution70.7%Medium
Array, Math +2· 5 companies
2038. Remove Colored Pieces if Both Neighbors are the Same ColorVideo
Solution62.8%Medium
Game Theory, Greedy +2· 3 companies
2048. Next Greater Numerically Balanced NumberVideo
Solution63.1%Medium
Backtracking, Enumeration +1· 5 companies
2063. Vowels of All SubstringsVideo
Solution55.3%Medium
Combinatorics, Dynamic Programming +2· 2 companies
2083. Substrings That Begin and End With the Same LetterVideoPremium
Solution74.1%Medium
Counting, Hash Table +3
2101. Detonate the Maximum BombsVideo
Solution50.0%Medium
Array, Breadth-First Search +4· 7 companies
2110. Number of Smooth Descent Periods of a StockVideo
Solution67.7%Medium
Array, Dynamic Programming +1· 3 companies
2125. Number of Laser Beams in a BankVideo
Solution87.0%Medium
Array, Math +2· 2 companies
2128. Remove All Ones With Row and Column FlipsVideoPremium
Solution76.2%Medium
Array, Bit Manipulation +2· 1 company
2139. Minimum Moves to Reach Target ScoreVideo
Solution52.3%Medium
Greedy, Math· 3 companies
2152. Minimum Number of Lines to Cover PointsVideoPremium
Solution42.9%Medium
Array, Backtracking +6· 1 company
2162. Minimum Cost to Set Cooking TimeVideo
Solution45.0%Medium
Enumeration, Math· 2 companies
2165. Smallest Value of the Rearranged NumberVideo
Solution53.5%Medium
Math, Sorting· 2 companies
2177. Find Three Consecutive Integers That Sum to a Given NumberVideo
Solution65.3%Medium
Math, Simulation· 1 company
2178. Maximum Split of Positive Even IntegersVideo
Solution59.9%Medium
Backtracking, Greedy +1· 1 company
2189. Number of Ways to Build House of CardsPremium
Solution60.2%Medium
Dynamic Programming, Math· 1 company
2195. Append K Integers With Minimal SumVideo
Solution26.9%Medium
Array, Greedy +2· 2 companies
2198. Number of Single Divisor TripletsVideoPremium
Solution53.1%Medium
Math
2217. Find Palindrome With Fixed LengthVideo
Solution38.0%Medium
Array, Math· 1 company
2221. Find Triangular Sum of an ArrayVideo
Solution82.0%Medium
Array, Combinatorics +2· 4 companies
2240. Number of Ways to Buy Pens and PencilsVideo
Solution57.2%Medium
Enumeration, Math· 1 company
2249. Count Lattice Points Inside a CircleVideo
Solution57.1%Medium
Array, Enumeration +3· 1 company
2266. Count Number of TextsVideo
Solution50.6%Medium
Dynamic Programming, Hash Table +2· 3 companies
2280. Minimum Lines to Represent a Line ChartVideo
Solution27.5%Medium
Array, Geometry +3· 1 company
2310. Sum of Numbers With Units Digit KVideo
Solution28.2%Medium
Dynamic Programming, Enumeration +2
2317. Maximum XOR After Operations Video
Solution79.9%Medium
Array, Bit Manipulation +1· 2 companies
2348. Number of Zero-Filled SubarraysVideo
Solution70.1%Medium
Array, Math· 4 companies
2358. Maximum Number of Groups Entering a CompetitionVideo
Solution68.5%Medium
Array, Binary Search +2
2364. Count Number of Bad PairsVideo
Solution54.2%Medium
Array, Counting +2· 4 companies
2393. Count Strictly Increasing SubarraysVideoPremium
Solution70.8%Medium
Array, Dynamic Programming +1· 1 company
2396. Strictly Palindromic NumberVideo
Solution90.3%Medium
Brainteaser, Math +1· 2 companies
2400. Number of Ways to Reach a Position After Exactly k StepsVideo
Solution37.4%Medium
Combinatorics, Dynamic Programming +1· 1 company
2417. Closest Fair IntegerVideoPremium
Solution43.7%Medium
Enumeration, Math
2436. Minimum Split Into Subarrays With GCD Greater Than OneVideoPremium
Solution70.2%Medium
Array, Dynamic Programming +3
2442. Count Number of Distinct Integers After Reverse OperationsVideo
Solution81.4%Medium
Array, Counting +2· 1 company
2443. Sum of Number and Its ReverseVideo
Solution50.0%Medium
Enumeration, Math· 1 company
2447. Number of Subarrays With GCD Equal to KVideo
Solution53.9%Medium
Array, Math +1
2450. Number of Distinct Binary Strings After Applying OperationsVideoPremium
Solution63.0%Medium
Math, String· 1 company
Showing 151–200 of 331