Dashboard Questions Topics Companies Sheets

Data Structures & Algorithms

Practice 3,374+ coding problems from top companies. Master DSA concepts and ace your interviews.

3,374

Problems

840

Easy

1762

Medium

772

Hard

Difficulty

All3374 Easy840 Medium1762 Hard772

Title	Solve	Difficulty	Companies	Topics
2740. Find the Value of the Partition	Solve	Medium	-	Array Sorting
2741. Special Permutations	Solve	Medium	-	Array Bit Manipulation+2
2743. Count Substrings Without Repeating Character	Solve	Medium	-	Hash Table Sliding Window+1
2745. Construct the Longest New String	Solve	Medium	-	Brainteaser Dynamic Programming+2
2746. Decremental String Concatenation	Solve	Medium	-	Array Dynamic Programming+1
2747. Count Zero Request Servers	Solve	Medium	Zomato	Array Hash Table+2
2749. Minimum Operations to Make the Integer Zero	Solve	Medium	-	Bit Manipulation Brainteaser
2750. Ways to Split Array Into Good Subarrays	Solve	Medium	-	Array Dynamic Programming+1
2754. Bind Function to Context	Solve	Medium	-
2755. Deep Merge of Two Objects	Solve	Medium	-
2757. Generate Circular Array Values	Solve	Medium	-
2761. Prime Pairs With Target Sum	Solve	Medium	-	Array Enumeration+2
2762. Continuous Subarrays	Solve	Medium	Adobe+3	Array Heap (Priority Queue)+4
2764. Is Array a Preorder of Some ‌Binary Tree	Solve	Medium	-	Binary Tree Depth-First Search+2
2766. Relocate Marbles	Solve	Medium	Amazon	Array Hash Table+2
2767. Partition String Into Minimum Beautiful Substrings	Solve	Medium	-	Backtracking Dynamic Programming+2
2768. Number of Black Blocks	Solve	Medium	Square+1	Array Enumeration+1
2770. Maximum Number of Jumps to Reach the Last Index	Solve	Medium	-	Array Dynamic Programming
2771. Longest Non-decreasing Subarray From Two Arrays	Solve	Medium	Citadel+1	Array Dynamic Programming
2772. Apply Operations to Make All Array Elements Equal to Zero	Solve	Medium	Hudson River Trading	Array Prefix Sum
2773. Height of Special Binary Tree	Solve	Medium	-	Binary Tree Breadth-First Search+2
2775. Undefined to Null	Solve	Medium	-
2776. Convert Callback Based Function to Promise Based Function	Solve	Medium	-
2777. Date Range Generator	Solve	Medium	-
2779. Maximum Beauty of an Array After Applying Operation	Solve	Medium	Google	Array Binary Search+2
2780. Minimum Index of a Valid Split	Solve	Medium	-	Array Hash Table+1
2782. Number of Unique Categories	Solve	Medium	Amazon	Counting Interactive+1
2783. Flight Occupancy and Waitlist Analysis	Solve	Medium	-	Database
2785. Sort Vowels in a String	Solve	Medium	Google+1	Sorting String
2786. Visit Array Positions to Maximize Score	Solve	Medium	-	Array Dynamic Programming
2787. Ways to Express an Integer as Sum of Powers	Solve	Medium	-	Dynamic Programming
2789. Largest Element in an Array after Merge Operations	Solve	Medium	-	Array Greedy
2795. Parallel Execution of Promises for Individual Results Retrieval	Solve	Medium	-
2799. Count Complete Subarrays in an Array	Solve	Medium	TikTok	Array Hash Table+1
2800. Shortest String That Contains Three Strings	Solve	Medium	DE Shaw	Enumeration Greedy+1
2802. Find The K-th Lucky Number	Solve	Medium	-	Bit Manipulation Math+1
2805. Custom Interval	Solve	Medium	-
2807. Insert Greatest Common Divisors in Linked List	Solve	Medium	-	Linked List Math+1
2808. Minimum Seconds to Equalize a Circular Array	Solve	Medium	-	Array Hash Table
2811. Check if it is Possible to Split Array	Solve	Medium	MoneyLion	Array Dynamic Programming+1
2812. Find the Safest Path in a Grid	Solve	Medium	Google+1	Array Binary Search+3
2816. Double a Number Represented as a Linked List	Solve	Medium	Amazon+1	Linked List Math+1
2817. Minimum Absolute Difference Between Elements With Constraint	Solve	Medium	Databricks+1	Array Binary Search+1
2820. Election Results	Solve	Medium	-
2821. Delay the Resolution of Each Promise	Solve	Medium	-
2823. Deep Object Filter	Solve	Medium	-
2825. Make String a Subsequence Using Cyclic Increments	Solve	Medium	Amazon	String Two Pointers
2826. Sorting Three Groups	Solve	Medium	UiPath	Array Binary Search+1
2829. Determine the Minimum Sum of a k-avoiding Array	Solve	Medium	Infosys	Greedy Math
2830. Maximize the Profit as the Salesman	Solve	Medium	Amazon	Array Binary Search+3