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
2701. Consecutive Transactions with Increasing Amounts	Solve	Hard	-	Database
2702. Minimum Operations to Make Numbers Non-positive	Solve	Hard	-	Array Binary Search
2703. Return Length of Arguments Passed	Solve	Easy	-
2704. To Be Or Not To Be	Solve	Easy	-
2705. Compact Object	Solve	Medium	-
2706. Buy Two Chocolates	Solve	Easy	Amazon+1	Array Greedy+1
2707. Extra Characters in a String	Solve	Medium	Amazon+2	Array Dynamic Programming+3
2708. Maximum Strength of a Group	Solve	Medium	Bloomberg	Array Backtracking+5
2709. Greatest Common Divisor Traversal	Solve	Hard	Google	Array Math+2
2710. Remove Trailing Zeros From a String	Solve	Easy	-	String
2711. Difference of Number of Distinct Values on Diagonals	Solve	Medium	-	Array Hash Table+1
2712. Minimum Cost to Make All Characters Equal	Solve	Medium	-	Dynamic Programming Greedy+1
2713. Maximum Strictly Increasing Cells in a Matrix	Solve	Hard	Amazon+1	Array Binary Search+6
2714. Find Shortest Path with K Hops	Solve	Hard	-	Graph Heap (Priority Queue)+1
2715. Timeout Cancellation	Solve	Easy	-
2716. Minimize String Length	Solve	Easy	-	Hash Table String
2717. Semi-Ordered Permutation	Solve	Easy	-	Array Simulation
2718. Sum of Matrix After Queries	Solve	Medium	Sprinklr	Array Hash Table
2719. Count of Integers	Solve	Hard	Amazon+1	Dynamic Programming Math+1
2720. Popularity Percentage	Solve	Hard	-	Database
2721. Execute Asynchronous Functions in Parallel	Solve	Medium	-
2722. Join Two Arrays by ID	Solve	Medium	-
2723. Add Two Promises	Solve	Easy	-
2724. Sort By	Solve	Easy	-
2725. Interval Cancellation	Solve	Easy	-
2726. Calculator with Method Chaining	Solve	Easy	-
2727. Is Object Empty	Solve	Easy	-
2728. Count Houses in a Circular Street	Solve	Easy	Google	Array Interactive
2729. Check if The Number is Fascinating	Solve	Easy	-	Hash Table Math
2730. Find the Longest Semi-Repetitive Substring	Solve	Medium	-	Sliding Window String
2731. Movement of Robots	Solve	Medium	-	Array Brainteaser+2
2732. Find a Good Subset of the Matrix	Solve	Hard	-	Array Bit Manipulation+2
2733. Neither Minimum nor Maximum	Solve	Easy	-	Array Sorting
2734. Lexicographically Smallest String After Substring Operation	Solve	Medium	-	Greedy String
2735. Collecting Chocolates	Solve	Medium	Amazon	Array Enumeration
2736. Maximum Sum Queries	Solve	Hard	-	Array Binary Indexed Tree+5
2737. Find the Closest Marked Node	Solve	Medium	-	Array Graph+2
2738. Count Occurrences in Text	Solve	Medium	-	Database
2739. Total Distance Traveled	Solve	Easy	Apple	Math Simulation
2740. Find the Value of the Partition	Solve	Medium	-	Array Sorting
2741. Special Permutations	Solve	Medium	-	Array Bit Manipulation+2
2742. Painting the Walls	Solve	Hard	Adobe+1	Array Dynamic Programming
2743. Count Substrings Without Repeating Character	Solve	Medium	-	Hash Table Sliding Window+1
2744. Find Maximum Number of String Pairs	Solve	Easy	-	Array Hash Table+2
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
2748. Number of Beautiful Pairs	Solve	Easy	-	Array Counting+3
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