Problems

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

Active:MediumPremium· 455 results

Title	Solution	Practice	Difficulty	Companies	Topics
2978. Symmetric Coordinates	Solution	Solve	Medium	Mitsogo	Database
2979. Most Expensive Item That Can Not Be Bought	Solution	Solve	Medium	Amazon	Dynamic Programming Math+1
2984. Find Peak Calling Hours for Each City	Solution	Solve	Medium	De Shaw	Database
2986. Find Third Transaction	Solution	Solve	Medium	Cisco	Database
2988. Manager of the Largest Department	Solution	Solve	Medium	Dassault Sysetmes	Database
2989. Class Performance	Solution	Solve	Medium	Google	Database
2992. Number of Self-Divisible Permutations	Solution	Solve	Medium	Salesforce	Array Backtracking+3
2993. Friday Purchases I	Solution	Solve	Medium	TCS	Database
3004. Maximum Subtree of the Same Color	Solution	Solve	Medium	BlackRock+1	Array Depth-First Search+2
3023. Find Pattern in Infinite Stream I	Solution	Solve	Medium	Uber	Array Hash Function+3
3050. Pizza Toppings Cost Analysis	Solution	Solve	Medium	Amazon	Database
3054. Binary Tree Nodes	Solution	Solve	Medium	Google	Database
3055. Top Percentile Fraud	Solution	Solve	Medium	-	Database
3056. Snaps Analysis	Solution	Solve	Medium	-	Database
3058. Friends With No Mutual Friends	Solution	Solve	Medium	-	Database
3064. Guess the Number Using Bitwise Questions I	Solution	Solve	Medium	-	Bit Manipulation Interactive
3073. Maximum Increasing Triplet Value	Solution	Solve	Medium	Uber	Array Ordered Set
3078. Match Alphanumerical Pattern in Matrix I	Solution	Solve	Medium	Uber+1	Array Hash Table+2
3087. Find Trending Hashtags	Solution	Solve	Medium	-	Database
3089. Find Bursty Behavior	Solution	Solve	Medium	-	Database
3094. Guess the Number Using Bitwise Questions II	Solution	Solve	Medium	-	Bit Manipulation Interactive
3109. Find the Index of Permutation	Solution	Solve	Medium	-	Array Binary Indexed Tree+5
3118. Friday Purchase III	Solution	Solve	Medium	-	Database
3119. Maximum Number of Potholes That Can Be Fixed	Solution	Solve	Medium	Geico+1	Greedy Sorting+1
3124. Find Longest Calls	Solution	Solve	Medium	IBM	Database
3125. Maximum Number That Makes Result of Bitwise AND Zero	Solution	Solve	Medium	Salesforce	Greedy Sorting+1
3126. Server Utilization Time	Solution	Solve	Medium	-	Database
3135. Equalize Strings by Adding or Removing Characters at Ends	Solution	Solve	Medium	Salesforce	Binary Search Dynamic Programming+3
3140. Consecutive Available Seats II	Solution	Solve	Medium	-	Database
3155. Maximum Number of Upgradable Servers	Solution	Solve	Medium	Snowflake	Array Binary Search+1
3157. Find the Level of Tree with Minimum Sum	Solution	Solve	Medium	Microsoft	Binary Tree Breadth-First Search+2
3166. Calculate Parking Fees and Duration	Solution	Solve	Medium	-	Database
3167. Better Compression of String	Solution	Solve	Medium	Goldman Sachs+1	Counting Hash Table+2
3182. Find Top Scoring Students	Solution	Solve	Medium	-	Database
3183. The Number of Ways to Make the Sum	Solution	Solve	Medium	-	Array Dynamic Programming
3189. Minimum Moves to Get a Peaceful Board	Solution	Solve	Medium	-	Array Counting Sort+2
3204. Bitwise User Permissions Analysis	Solution	Solve	Medium	-	Database
3205. Maximum Array Hopping Score I	Solution	Solve	Medium	Zluri	Array Dynamic Programming+3
3215. Count Triplets with Even XOR Set Bits II	Solution	Solve	Medium	Amazon	Array Bit Manipulation
3221. Maximum Array Hopping Score II	Solution	Solve	Medium	Zluri	Array Greedy+2
3230. Customer Purchasing Behavior Analysis	Solution	Solve	Medium	Amazon	Database
3237. Alt and Tab Simulation	Solution	Solve	Medium	-	Array Hash Table+1
3247. Number of Subsequences with Odd Sum	Solution	Solve	Medium	-	Array Combinatorics+2
3252. Premier League Table Ranking II	Solution	Solve	Medium	-	Database
3253. Construct String with Minimum Cost (Easy)	Solution	Solve	Medium	-
3262. Find Overlapping Shifts	Solution	Solve	Medium	-	Database
3278. Find Candidates for Data Scientist Position II	Solution	Solve	Medium	-	Database
3284. Sum of Consecutive Subarrays	Solution	Solve	Medium	-	Array Dynamic Programming+1
3293. Calculate Product Final Price	Solution	Solve	Medium	-	Database
3294. Convert Doubly Linked List to Array II	Solution	Solve	Medium	-	Array Doubly-Linked List+1