Problems

3,848+ problems · 928 Easy · 2014 Medium · 906 Hard

Active:Premium· 755 results

Title	Solution	Practice	Difficulty	Companies	Topics
1842. Next Palindrome Using Same Digits	Solution	Solve	Hard	Amazon	String Two Pointers
1843. Suspicious Bank Accounts	Solution	Solve	Medium	Jpmorgan	Database
1852. Distinct Numbers in Each Subarray	Solution	Solve	Medium	Amazon	Array Hash Table+1
1853. Convert Date Format	Solution	Solve	Easy	-	Database
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
1892. Page Recommendations II	Solution	Solve	Hard	Meta	Database
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
1917. Leetcodify Friends Recommendations	Solution	Solve	Hard	Spotify	Database
1918. Kth Smallest Subarray Sum	Solution	Solve	Medium	Google	Array Binary Search+1
1919. Leetcodify Similar Friends	Solution	Solve	Hard	Spotify	Database
1924. Erect the Fence II	Solution	Solve	Hard	Google	Array Geometry+1
1933. Check if String Is Decomposable Into Value-Equal Substrings	Solution	Solve	Easy	-	String
1939. Users That Actively Request Confirmation Messages	Solution	Solve	Easy	-	Database
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
1956. Minimum Time For K Virus Variants to Spread	Solution	Solve	Hard	-	Array Binary Search+3
1966. Binary Searchable Numbers in an Unsorted Array	Solution	Solve	Medium	Google+1	Array Binary Search
1972. First and Last Call On the Same Day	Solution	Solve	Hard	Amazon	Database
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
2004. The Number of Seniors and Juniors to Join the Company	Solution	Solve	Hard	-	Database
2005. Subtree Removal Game with Fibonacci Tree	Solution	Solve	Hard	Sony	Binary Tree Dynamic Programming+3
2010. The Number of Seniors and Juniors to Join the Company II	Solution	Solve	Hard	-	Database
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
2026. Low-Quality Problems	Solution	Solve	Easy	-	Database
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
2072. The Winner University	Solution	Solve	Easy	Walmart	Database