Problems

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

Title	Solution	Practice	Difficulty	Companies	Topics
2751. Robot Collisions	Solution	Solve	Hard	Amazon+3	Array Simulation+2
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	-
2754. Bind Function to Context	Solution	Solve	Medium	-
2755. Deep Merge of Two Objects	Solution	Solve	Medium	Valve
2756. Query Batching	Solution	Solve	Hard	-
2757. Generate Circular Array Values	Solution	Solve	Medium	-
2758. Next Day	Solution	Solve	Easy	-
2759. Convert JSON String to Object	Solution	Solve	Hard	MongoDB+1
2760. Longest Even Odd Subarray With Threshold	Solution	Solve	Easy	Bloomberg+1	Array Sliding Window
2761. Prime Pairs With Target Sum	Solution	Solve	Medium	-	Array Enumeration+2
2762. Continuous Subarrays	Solution	Solve	Medium	Amazon+5	Array Heap (Priority Queue)+4
2763. Sum of Imbalance Numbers of All Subarrays	Solution	Solve	Hard	Google	Array Hash Table+1
2764. Is Array a Preorder of Some ‌Binary Tree	Solution	Solve	Medium	-	Binary Tree Depth-First Search+2
2765. Longest Alternating Subarray	Solution	Solve	Easy	-	Array Enumeration
2766. Relocate Marbles	Solution	Solve	Medium	Amazon	Array Hash Table+2
2767. Partition String Into Minimum Beautiful Substrings	Solution	Solve	Medium	-	Backtracking Dynamic Programming+2
2768. Number of Black Blocks	Solution	Solve	Medium	Capital One+7	Array Enumeration+1
2769. Find the Maximum Achievable Number	Solution	Solve	Easy	Amazon+3	Math
2770. Maximum Number of Jumps to Reach the Last Index	Solution	Solve	Medium	-	Array Dynamic Programming
2771. Longest Non-decreasing Subarray From Two Arrays	Solution	Solve	Medium	Amazon+5	Array Dynamic Programming
2772. Apply Operations to Make All Array Elements Equal to Zero	Solution	Solve	Medium	Amazon+1	Array Prefix Sum
2773. Height of Special Binary Tree	Solution	Solve	Medium	-	Binary Tree Breadth-First Search+2
2774. Array Upper Bound	Solution	Solve	Easy	-
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	-
2778. Sum of Squares of Special Elements	Solution	Solve	Easy	Google	Array Enumeration
2779. Maximum Beauty of an Array After Applying Operation	Solution	Solve	Medium	Amazon+1	Array Binary Search+2
2780. Minimum Index of a Valid Split	Solution	Solve	Medium	Amazon+2	Array Hash Table+1
2781. Length of the Longest Valid Substring	Solution	Solve	Hard	Amazon+2	Array Hash Table+2
2782. Number of Unique Categories	Solution	Solve	Medium	Amazon	Counting Interactive+1
2783. Flight Occupancy and Waitlist Analysis	Solution	Solve	Medium	-	Database
2784. Check if Array is Good	Solution	Solve	Easy	Bloomberg	Array Hash Table+1
2785. Sort Vowels in a String	Solution	Solve	Medium	Google+2	Sorting String
2786. Visit Array Positions to Maximize Score	Solution	Solve	Medium	-	Array Dynamic Programming
2787. Ways to Express an Integer as Sum of Powers	Solution	Solve	Medium	Amazon+4	Dynamic Programming
2788. Split Strings by Separator	Solution	Solve	Easy	Apple+1	Array String
2789. Largest Element in an Array after Merge Operations	Solution	Solve	Medium	Amazon+1	Array Greedy
2790. Maximum Number of Groups With Increasing Length	Solution	Solve	Hard	Amazon	Array Binary Search+3
2791. Count Paths That Can Form a Palindrome in a Tree	Solution	Solve	Hard	Google+3	Bit Manipulation Bitmask+3
2792. Count Nodes That Are Great Enough	Solution	Solve	Hard	-	Binary Tree Depth-First Search+2
2793. Status of Flight Tickets	Solution	Solve	Hard	-
2794. Create Object from Two Arrays	Solution	Solve	Easy	-
2795. Parallel Execution of Promises for Individual Results Retrieval	Solution	Solve	Medium	-
2796. Repeat String	Solution	Solve	Easy	-
2797. Partial Function with Placeholders	Solution	Solve	Easy	-
2798. Number of Employees Who Met the Target	Solution	Solve	Easy	Amazon+1	Array
2799. Count Complete Subarrays in an Array	Solution	Solve	Medium	Amazon+3	Array Hash Table+1
2800. Shortest String That Contains Three Strings	Solution	Solve	Medium	Bloomberg+2	Enumeration Greedy+1