Problems

3,858+ problems · 930 Easy · 2018 Medium · 910 Hard

Active:MediumPremium· 455 results

Title	Solution	Practice	Difficulty	Companies	Topics
1811. Find Interview Candidates	Solution	Solve	Medium	Amazon	Database
1820. Maximum Number of Accepted Invitations	Solution	Solve	Medium	Bloomberg+2	Array Depth-First Search+2
1831. Maximum Transaction Each Day	Solution	Solve	Medium	-	Database
1836. Remove Duplicates From an Unsorted Linked List	Solution	Solve	Medium	Amazon+1	Hash Table Linked List
1841. League Statistics	Solution	Solve	Medium	-	Database
1843. Suspicious Bank Accounts	Solution	Solve	Medium	Jpmorgan	Database
1852. Distinct Numbers in Each Subarray	Solution	Solve	Medium	Amazon	Array Hash Table+1
1858. Longest Word With All Prefixes	Solution	Solve	Medium	Google	Depth-First Search Trie
1867. Orders With Maximum Quantity Above Average	Solution	Solve	Medium	-	Database
1868. Product of Two Run-Length Encoded Arrays	Solution	Solve	Medium	Meta+1	Array Two Pointers
1874. Minimize Product Sum of Two Arrays	Solution	Solve	Medium	Google	Array Greedy+1
1875. Group Employees of the Same Salary	Solution	Solve	Medium	Clari	Database
1885. Count Pairs in Two Arrays	Solution	Solve	Medium	Shopee+1	Array Binary Search+2
1891. Cutting Ribbons	Solution	Solve	Medium	Google+1	Array Binary Search
1902. Depth of BST Given Insertion Order	Solution	Solve	Medium	-	Array Binary Search Tree+3
1908. Game of Nim	Solution	Solve	Medium	-	Array Bit Manipulation+4
1918. Kth Smallest Subarray Sum	Solution	Solve	Medium	Google	Array Binary Search+1
1940. Longest Common Subsequence Between Sorted Arrays	Solution	Solve	Medium	Google	Array Counting+1
1949. Strong Friendship	Solution	Solve	Medium	Google+1	Database
1950. Maximum of Minimum Values in All Subarrays	Solution	Solve	Medium	Amazon	Array Monotonic Stack+1
1951. All the Pairs With the Maximum Number of Common Followers	Solution	Solve	Medium	Lime	Database
1966. Binary Searchable Numbers in an Unsorted Array	Solution	Solve	Medium	Google+1	Array Binary Search
1973. Count Nodes Equal to Sum of Descendants	Solution	Solve	Medium	Meta	Binary Tree Depth-First Search+1
1983. Widest Pair of Indices With Equal Range Sum	Solution	Solve	Medium	Microsoft	Array Hash Table+1
1988. Find Cutoff Score for Each School	Solution	Solve	Medium	-	Database
1989. Maximum Number of People That Can Be Caught in Tag	Solution	Solve	Medium	-	Array Greedy
1990. Count the Number of Experiments	Solution	Solve	Medium	Strava	Database
1999. Smallest Greater Multiple Made of Two Digits	Solution	Solve	Medium	PayPal	Enumeration Math
2015. Average Height of Buildings in Each Segment	Solution	Solve	Medium	Microsoft	Array Greedy+2
2020. Number of Accounts That Did Not Stream	Solution	Solve	Medium	WarnerMedia	Database
2021. Brightest Position on Street	Solution	Solve	Medium	Amazon+6	Array Ordered Set+1
2031. Count Subarrays With More Ones Than Zeros	Solution	Solve	Medium	Google	Array Binary Indexed Tree+5
2036. Maximum Alternating Subarray Sum	Solution	Solve	Medium	Amazon	Array Dynamic Programming
2041. Accepted Candidates From the Interviews	Solution	Solve	Medium	-	Database
2046. Sort Linked List Already Sorted Using Absolute Values	Solution	Solve	Medium	-	Linked List Sorting+1
2051. The Category of Each Member in the Store	Solution	Solve	Medium	-	Database
2052. Minimum Cost to Separate Sentence Into Rows	Solution	Solve	Medium	Microsoft	Array Dynamic Programming
2061. Number of Spaces Cleaning Robot Cleaned	Solution	Solve	Medium	Geico+1	Array Matrix+1
2066. Account Balance	Solution	Solve	Medium	-	Database
2067. Number of Equal Count Substrings	Solution	Solve	Medium	Cisco	Counting Prefix Sum+1
2077. Paths in Maze That Lead to Same Room	Solution	Solve	Medium	Google+1	Graph
2083. Substrings That Begin and End With the Same Letter	Solution	Solve	Medium	-	Counting Hash Table+3
2084. Drop Type 1 Orders for Customers With Type 0 Orders	Solution	Solve	Medium	-	Database
2093. Minimum Cost to Reach City With Discounts	Solution	Solve	Medium	Flipkart+1	Graph Heap (Priority Queue)+1
2098. Subsequence of Size K With the Largest Even Sum	Solution	Solve	Medium	Drw+2	Array Greedy+1
2107. Number of Unique Flavors After Sharing K Candies	Solution	Solve	Medium	Ciena+1	Array Hash Table+1
2112. The Airport With the Most Traffic	Solution	Solve	Medium	-	Database
2113. Elements in Array After Removing and Replacing Elements	Solution	Solve	Medium	-	Array
2128. Remove All Ones With Row and Column Flips	Solution	Solve	Medium	Google	Array Bit Manipulation+2
2137. Pour Water Between Buckets to Make Water Levels Equal	Solution	Solve	Medium	Deutsche Bank	Array Binary Search