Problems

3,898+ problems · 938 Easy · 2039 Medium · 921 Hard

Active:HardPremium· 175 results

Title	Solution	Practice	Difficulty	Companies	Topics
2361. Minimum Costs Using the Train Line	Solution	Solve	Hard	Citadel	Array Dynamic Programming
2362. Generate the Invoice	Solution	Solve	Hard	-	Database
2371. Minimize Maximum Value in a Grid	Solution	Solve	Hard	Google	Array Graph+4
2403. Minimum Time to Kill All Monsters	Solution	Solve	Hard	Trilogy	Array Bit Manipulation+2
2459. Sort Array by Moving Items to Empty Space	Solution	Solve	Hard	Google	Array Greedy+1
2474. Customers With Strictly Increasing Purchases	Solution	Solve	Hard	Amazon	Database
2479. Maximum XOR of Two Non-Overlapping Subtrees	Solution	Solve	Hard	Directi+1	Depth-First Search Graph+2
2494. Merge Overlapping Events in the Same Hall	Solution	Solve	Hard	-	Database
2519. Count the Number of K-Big Indices	Solution	Solve	Hard	Amazon	Array Binary Indexed Tree+5
2524. Maximum Frequency Score of a Subarray	Solution	Solve	Hard	PayPal	Array Hash Table+3
2534. Time Taken to Cross the Door	Solution	Solve	Hard	Amazon+1	Array Queue+1
2604. Minimum Time to Eat All Grains	Solution	Solve	Hard	Confluent	Array Binary Search+2
2613. Beautiful Pairs	Solution	Solve	Hard	-	Array Divide and Conquer+4
2647. Color the Triangle Red	Solution	Solve	Hard	-	Array Math
2675. Array of Objects to Matrix	Solution	Solve	Hard	-
2691. Immutability Helper	Solution	Solve	Hard	-
2701. Consecutive Transactions with Increasing Amounts	Solution	Solve	Hard	Amazon	Database
2702. Minimum Operations to Make Numbers Non-positive	Solution	Solve	Hard	Citadel+1	Array Binary Search
2714. Find Shortest Path with K Hops	Solution	Solve	Hard	Goldman Sachs	Graph Heap (Priority Queue)+1
2720. Popularity Percentage	Solution	Solve	Hard	-	Database
2752. Customers with Maximum Number of Transactions on Consecutive Days	Solution	Solve	Hard	-	Database
2753. Count Houses in a Circular Street II	Solution	Solve	Hard	-
2756. Query Batching	Solution	Solve	Hard	-
2759. Convert JSON String to Object	Solution	Solve	Hard	MongoDB+1
2792. Count Nodes That Are Great Enough	Solution	Solve	Hard	-	Binary Tree Depth-First Search+2
2793. Status of Flight Tickets	Solution	Solve	Hard	-
2814. Minimum Time Takes to Reach Destination Without Drowning	Solution	Solve	Hard	Wix	Array Breadth-First Search+1
2819. Minimum Relative Loss After Buying Chocolates	Solution	Solve	Hard	-	Array Binary Search+2
2868. The Wording Game	Solution	Solve	Hard	-	Array Game Theory+4
2912. Number of Ways to Reach Destination in the Grid	Solution	Solve	Hard	Uber	Combinatorics Dynamic Programming+1
2921. Maximum Profitable Triplets With Increasing Prices II	Solution	Solve	Hard	IBM	Array Binary Indexed Tree+1
2927. Distribute Candies Among Children III	Solution	Solve	Hard	Amazon+1	Combinatorics Math
2941. Maximum GCD-Sum of a Subarray	Solution	Solve	Hard	Thoughtworks	Array Binary Search+2
2969. Minimum Number of Coins for Fruits II	Solution	Solve	Hard	-	Array Dynamic Programming+3
2991. Top Three Wineries	Solution	Solve	Hard	Google	Database
2994. Friday Purchases II	Solution	Solve	Hard	-	Database
2995. Viewers Turned Streamers	Solution	Solve	Hard	Google+1	Database
3009. Maximum Number of Intersections on the Chart	Solution	Solve	Hard	Microsoft	Array Binary Indexed Tree+2
3018. Maximum Number of Removal Queries That Can Be Processed I	Solution	Solve	Hard	-	Array Dynamic Programming
3037. Find Pattern in Infinite Stream II	Solution	Solve	Hard	Uber	Array Hash Function+3
3052. Maximize Items	Solution	Solve	Hard	Hashedin	Database
3057. Employees Project Allocation	Solution	Solve	Hard	-	Database
3060. User Activities within Time Bounds	Solution	Solve	Hard	-	Database
3061. Calculate Trapping Rain Water	Solution	Solve	Hard	-	Database
3088. Make String Anti-palindrome	Solution	Solve	Hard	Intuit	Counting Sort Greedy+2
3103. Find Trending Hashtags II	Solution	Solve	Hard	-	Database
3104. Find Longest Self-Contained Substring	Solution	Solve	Hard	Amazon	Binary Search Hash Table+2
3141. Maximum Hamming Distances	Solution	Solve	Hard	-	Array Bit Manipulation+1
3156. Employee Task Duration and Concurrent Tasks	Solution	Solve	Hard	-	Database
3188. Find Top Scoring Students II	Solution	Solve	Hard	-	Database