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Array447 String248 Hash Table189 Math173 Database113 Sorting100 Simulation93 Two Pointers70 Counting69 Bit Manipulation54 Greedy51 Matrix41 Tree40 Depth-First Search39 Binary Tree37 All topics

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TitleSolutionAcceptDifficultyTopics

1984. Minimum Difference Between Highest and Lowest of K ScoresVideo

Solution66.2%Easy

Array, Sliding Window +1· 5 companies

1991. Find the Middle Index in ArrayVideo

Solution70.5%Easy

Array, Prefix Sum· 4 companies

1995. Count Special QuadrupletsVideo

Solution65.1%Easy

Array, Enumeration +1· 3 companies

2000. Reverse Prefix of WordVideo

Solution86.3%Easy

Stack, String +1· 5 companies

2006. Count Number of Pairs With Absolute Difference KVideo

Solution85.4%Easy

Array, Counting +1· 4 companies

2011. Final Value of Variable After Performing OperationsVideo

Solution90.6%Easy

Array, Simulation +1· 5 companies

2016. Maximum Difference Between Increasing ElementsVideo

Solution66.5%Easy

Array· 6 companies

2022. Convert 1D Array Into 2D ArrayVideo

Solution72.2%Easy

Array, Matrix +1· 5 companies

2026. Low-Quality ProblemsVideoPremium

Solution83.8%Easy

2027. Minimum Moves to Convert StringVideo

Solution58.4%Easy

Greedy, String· 3 companies

2032. Two Out of ThreeVideo

Solution77.5%Easy

Array, Bit Manipulation +1· 2 companies

2037. Minimum Number of Moves to Seat EveryoneVideo

Solution87.4%Easy

Array, Counting Sort +2· 3 companies

2042. Check if Numbers Are Ascending in a SentenceVideo

Solution73.6%Easy

2047. Number of Valid Words in a SentenceVideo

Solution31.6%Easy

String· 3 companies

2053. Kth Distinct String in an ArrayVideo

Solution82.1%Easy

Array, Counting +2· 2 companies

2057. Smallest Index With Equal ValueVideo

Solution73.8%Easy

Array· 2 companies

2062. Count Vowel Substrings of a StringVideo

Solution73.6%Easy

Hash Table, String· 12 companies

2068. Check Whether Two Strings are Almost EquivalentVideo

Solution64.5%Easy

Counting, Hash Table +1· 1 company

2072. The Winner UniversityVideoPremium

Solution75.4%Easy

Database· 1 company

2073. Time Needed to Buy TicketsVideo

Solution73.5%Easy

Array, Queue +1· 7 companies

2078. Two Furthest Houses With Different ColorsVideo

Solution71.8%Easy

Array, Greedy· 5 companies

2082. The Number of Rich CustomersVideoPremium

Solution77.3%Easy

Database· 1 company

2085. Count Common Words With One OccurrenceVideo

Solution73.9%Easy

Array, Counting +2· 1 company

2089. Find Target Indices After Sorting ArrayVideo

Solution82.1%Easy

Array, Binary Search +1· 3 companies

2094. Finding 3-Digit Even NumbersVideo

Solution78.8%Easy

Array, Enumeration +2· 5 companies

2099. Find Subsequence of Length K With the Largest SumVideo

Solution57.4%Easy

Array, Hash Table +2· 6 companies

2103. Rings and RodsVideo

Solution81.5%Easy

Hash Table, String· 1 company

2108. Find First Palindromic String in the ArrayVideo

Solution83.9%Easy

Array, String +1

2114. Maximum Number of Words Found in SentencesVideo

Solution86.6%Easy

Array, String· 4 companies

2119. A Number After a Double ReversalVideo

Solution82.7%Easy

Math· 4 companies

2124. Check if All A's Appears Before All B'sVideo

Solution73.2%Easy

String· 2 companies

2129. Capitalize the TitleVideo

Solution68.5%Easy

2133. Check if Every Row and Column Contains All NumbersVideo

Solution54.0%Easy

Array, Hash Table +1· 4 companies

2138. Divide a String Into Groups of Size kVideo

Solution77.1%Easy

Simulation, String· 3 companies

2144. Minimum Cost of Buying Candies With DiscountVideo

Solution71.5%Easy

Array, Greedy +1· 5 companies

2148. Count Elements With Strictly Smaller and Greater Elements Video

Solution59.9%Easy

Array, Counting +1· 1 company

2154. Keep Multiplying Found Values by TwoVideo

Solution75.1%Easy

Array, Hash Table +2· 4 companies

2160. Minimum Sum of Four Digit Number After Splitting DigitsVideo

Solution86.2%Easy

Greedy, Math +1· 2 companies

2164. Sort Even and Odd Indices IndependentlyVideo

Solution63.2%Easy

Array, Sorting· 3 companies

2169. Count Operations to Obtain ZeroVideo

Solution79.8%Easy

Math, Simulation· 4 companies

2176. Count Equal and Divisible Pairs in an ArrayVideo

Solution84.0%Easy

Array· 5 companies

2180. Count Integers With Even Digit SumVideo

Solution71.1%Easy

Math, Simulation· 1 company

2185. Counting Words With a Given PrefixVideo

Solution84.5%Easy

Array, String +1· 4 companies

2190. Most Frequent Number Following Key In an ArrayVideo

Solution59.6%Easy

Array, Counting +1· 1 company

2194. Cells in a Range on an Excel SheetVideo

Solution83.9%Easy

2200. Find All K-Distant Indices in an ArrayVideo

Solution77.4%Easy

Array, Two Pointers· 4 companies

2205. The Number of Users That Are Eligible for DiscountVideoPremium

Solution50.3%Easy

Database· 1 company

2206. Divide Array Into Equal PairsVideo

Solution79.2%Easy

Array, Bit Manipulation +2· 5 companies

2210. Count Hills and Valleys in an ArrayVideo

Solution69.1%Easy

Array· 5 companies

2215. Find the Difference of Two ArraysVideo

Solution81.4%Easy

Array, Hash Table· 7 companies

Showing 501–550 of 970