Problems

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

Active:MediumPremium· 455 results

Title	Solution	Practice	Difficulty	Companies	Topics
2557. Maximum Number of Integers to Choose From a Range II	Solution	Solve	Medium	PayPal	Array Binary Search+2
2590. Design a Todo List	Solution	Solve	Medium	Bloomberg	Array Design+3
2599. Make the Prefix Sum Non-negative	Solution	Solve	Medium	Microsoft	Array Greedy+1
2628. JSON Deep Equal	Solution	Solve	Medium	-
2632. Curry	Solution	Solve	Medium	-
2633. Convert Object to JSON String	Solution	Solve	Medium	Google
2636. Promise Pool	Solution	Solve	Medium	Uber
2638. Count the Number of K-Free Subsets	Solution	Solve	Medium	Amazon	Array Combinatorics+3
2655. Find Maximal Uncovered Ranges	Solution	Solve	Medium	Meta	Array Sorting
2664. The Knight’s Tour	Solution	Solve	Medium	Microsoft	Array Backtracking+1
2674. Split a Circular Linked List	Solution	Solve	Medium	-	Linked List Two Pointers
2676. Throttle	Solution	Solve	Medium	-
2686. Immediate Food Delivery III	Solution	Solve	Medium	-	Database
2688. Find Active Users	Solution	Solve	Medium	-	Database
2692. Make Object Immutable	Solution	Solve	Medium	-
2700. Differences Between Two Objects	Solution	Solve	Medium	Couchbase+1
2737. Find the Closest Marked Node	Solution	Solve	Medium	-	Array Graph+2
2738. Count Occurrences in Text	Solution	Solve	Medium	-	Database
2743. Count Substrings Without Repeating Character	Solution	Solve	Medium	Oracle+1	Hash Table Sliding Window+1
2754. Bind Function to Context	Solution	Solve	Medium	-
2755. Deep Merge of Two Objects	Solution	Solve	Medium	Valve
2757. Generate Circular Array Values	Solution	Solve	Medium	-
2764. Is Array a Preorder of Some ‌Binary Tree	Solution	Solve	Medium	-	Binary Tree Depth-First Search+2
2773. Height of Special Binary Tree	Solution	Solve	Medium	-	Binary Tree Breadth-First Search+2
2775. Undefined to Null	Solution	Solve	Medium	-
2776. Convert Callback Based Function to Promise Based Function	Solution	Solve	Medium	-
2777. Date Range Generator	Solution	Solve	Medium	-
2782. Number of Unique Categories	Solution	Solve	Medium	Amazon	Counting Interactive+1
2783. Flight Occupancy and Waitlist Analysis	Solution	Solve	Medium	-	Database
2795. Parallel Execution of Promises for Individual Results Retrieval	Solution	Solve	Medium	-
2802. Find The K-th Lucky Number	Solution	Solve	Medium	Amazon	Bit Manipulation Math+1
2805. Custom Interval	Solution	Solve	Medium	-
2820. Election Results	Solution	Solve	Medium	-
2821. Delay the Resolution of Each Promise	Solution	Solve	Medium	-
2823. Deep Object Filter	Solution	Solve	Medium	-
2832. Maximal Range That Each Element Is Maximum in It	Solution	Solve	Medium	Amazon	Array Monotonic Stack+1
2838. Maximum Coins Heroes Can Collect	Solution	Solve	Medium	Deutsche Bank	Array Binary Search+3
2847. Smallest Number With Given Digit Product	Solution	Solve	Medium	Microsoft	Greedy Math
2852. Sum of Remoteness of All Cells	Solution	Solve	Medium	Medianet	Array Breadth-First Search+4
2854. Rolling Average Steps	Solution	Solve	Medium	-	Database
2863. Maximum Length of Semi-Decreasing Subarrays	Solution	Solve	Medium	Google	Array Monotonic Stack+2
2892. Minimizing Array After Replacing Pairs With Their Product	Solution	Solve	Medium	Adobe+1	Array Dynamic Programming+1
2893. Calculate Orders Within Each Interval	Solution	Solve	Medium	-	Database
2898. Maximum Linear Stock Score	Solution	Solve	Medium	Amazon	Array Hash Table
2907. Maximum Profitable Triplets With Increasing Prices I	Solution	Solve	Medium	IBM	Array Binary Indexed Tree+1
2922. Market Analysis III	Solution	Solve	Medium	-	Database
2936. Number of Equal Numbers Blocks	Solution	Solve	Medium	Google	Array Binary Search+1
2950. Number of Divisible Substrings	Solution	Solve	Medium	Amdocs+3	Counting Hash Table+2
2955. Number of Same-End Substrings	Solution	Solve	Medium	Google+1	Array Counting+3
2964. Number of Divisible Triplet Sums	Solution	Solve	Medium	Activision+8	Array Hash Table