Skip to content

For employers Sign in

Make and follow sheets.Sign in

Problems

4,009 problems

Has video Premium only Reset

Array2,209 String870 Hash Table786 Math682 Dynamic Programming666 Sorting504 Greedy480 Binary Search352 Depth-First Search335 Database303 Bit Manipulation283 Matrix278 Tree261 Breadth-First Search255 Two Pointers249 All topics

With video · 4,009 results

Sign in to see which of these you have solved.Sign in

TitleSolutionAcceptDifficultyTopics

2101. Detonate the Maximum BombsVideo

Solution50.0%Medium

Array, Breadth-First Search +4· 7 companies

2102. Sequentially Ordinal Rank TrackerVideo

Solution61.5%Hard

Data Stream, Design +2· 1 company

2103. Rings and RodsVideo

Solution81.5%Easy

Hash Table, String· 1 company

2104. Sum of Subarray RangesVideo

Solution61.6%Medium

Array, Monotonic Stack +1· 9 companies

2105. Watering Plants IIVideo

Solution48.8%Medium

Array, Simulation +1· 1 company

2106. Maximum Fruits Harvested After at Most K StepsVideo

Solution61.0%Hard

Array, Binary Search +2· 5 companies

2107. Number of Unique Flavors After Sharing K CandiesVideoPremium

Solution62.4%Medium

Array, Hash Table +1· 2 companies

2108. Find First Palindromic String in the ArrayVideo

Solution83.9%Easy

Array, String +1

2109. Adding Spaces to a StringVideo

Solution71.8%Medium

Array, Simulation +2· 5 companies

2110. Number of Smooth Descent Periods of a StockVideo

Solution67.7%Medium

Array, Dynamic Programming +1· 3 companies

2111. Minimum Operations to Make the Array K-IncreasingVideo

Solution41.1%Hard

Array, Binary Search· 1 company

2112. The Airport With the Most TrafficVideoPremium

Solution71.9%Medium

2113. Elements in Array After Removing and Replacing ElementsVideoPremium

Solution69.1%Medium

2114. Maximum Number of Words Found in SentencesVideo

Solution86.6%Easy

Array, String· 4 companies

2115. Find All Possible Recipes from Given SuppliesVideo

Solution56.8%Medium

Array, Graph +3· 10 companies

2116. Check if a Parentheses String Can Be ValidVideo

Solution45.1%Medium

Greedy, Stack +1· 7 companies

2117. Abbreviating the Product of a RangeVideo

Solution25.0%Hard

Math· 1 company

2118. Build the EquationVideoPremium

Solution57.3%Hard

2119. A Number After a Double ReversalVideo

Solution82.7%Easy

Math· 4 companies

2120. Execution of All Suffix Instructions Staying in a GridVideo

Solution82.4%Medium

Simulation, String

2121. Intervals Between Identical ElementsVideo

Solution48.4%Medium

Array, Hash Table +1· 2 companies

2122. Recover the Original ArrayVideo

Solution42.0%Hard

Array, Enumeration +3· 1 company

2123. Minimum Operations to Remove Adjacent Ones in MatrixVideoPremium

Solution42.5%Hard

Array, Graph +1· 1 company

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

Solution73.2%Easy

String· 2 companies

2125. Number of Laser Beams in a BankVideo

Solution87.0%Medium

Array, Math +2· 2 companies

2126. Destroying AsteroidsVideo

Solution59.7%Medium

Array, Greedy +1· 1 company

2127. Maximum Employees to Be Invited to a MeetingVideo

Solution61.8%Hard

Depth-First Search, Graph +1· 5 companies

2128. Remove All Ones With Row and Column FlipsVideoPremium

Solution76.2%Medium

Array, Bit Manipulation +2· 1 company

2129. Capitalize the TitleVideo

Solution68.5%Easy

2130. Maximum Twin Sum of a Linked ListVideo

Solution83.2%Medium

Linked List, Stack +1· 6 companies

2131. Longest Palindrome by Concatenating Two Letter WordsVideo

Solution53.5%Medium

Array, Counting +3· 6 companies

2132. Stamping the GridVideo

Solution36.3%Hard

Array, Greedy +2· 1 company

2133. Check if Every Row and Column Contains All NumbersVideo

Solution54.0%Easy

Array, Hash Table +1· 4 companies

2134. Minimum Swaps to Group All 1's Together IIVideo

Solution65.5%Medium

Array, Sliding Window· 10 companies

2135. Count Words Obtained After Adding a LetterVideo

Solution44.0%Medium

Array, Bit Manipulation +3· 1 company

2136. Earliest Possible Day of Full BloomVideo

Solution71.4%Hard

Array, Greedy +1· 1 company

2137. Pour Water Between Buckets to Make Water Levels EqualVideoPremium

Solution68.4%Medium

Array, Binary Search· 1 company

2138. Divide a String Into Groups of Size kVideo

Solution77.1%Easy

Simulation, String· 3 companies

2139. Minimum Moves to Reach Target ScoreVideo

Solution52.3%Medium

Greedy, Math· 3 companies

2140. Solving Questions With BrainpowerVideo

Solution60.2%Medium

Array, Dynamic Programming· 5 companies

2141. Maximum Running Time of N ComputersVideo

Solution56.4%Hard

Array, Binary Search +2· 6 companies

2142. The Number of Passengers in Each Bus IVideoPremium

Solution49.3%Medium

2144. Minimum Cost of Buying Candies With DiscountVideo

Solution71.5%Easy

Array, Greedy +1· 5 companies

2145. Count the Hidden SequencesVideo

Solution56.7%Medium

Array, Prefix Sum· 6 companies

2146. K Highest Ranked Items Within a Price RangeVideo

Solution47.1%Medium

Array, Breadth-First Search +3· 1 company

2147. Number of Ways to Divide a Long CorridorVideo

Solution54.6%Hard

Dynamic Programming, Math +1· 3 companies

2148. Count Elements With Strictly Smaller and Greater Elements Video

Solution59.9%Easy

Array, Counting +1· 1 company

2149. Rearrange Array Elements by SignVideo

Solution84.7%Medium

Array, Simulation +1· 6 companies

2150. Find All Lonely Numbers in the ArrayVideo

Solution64.0%Medium

Array, Counting +1· 2 companies

2151. Maximum Good People Based on StatementsVideo

Solution52.9%Hard

Array, Backtracking +2· 3 companies

Showing 2,101–2,150 of 4,009